Professional Access Point Administrator Guide SNMP The Simple Network Management Protocol (SNMP) is an Internet standard protocol that facilitates the monitoring and managing of network devices. SNMP lets you monitor events on your network through an SNMP software application.
Professional Access Point Administrator Guide Navigating to Simple Network Management Protocol To enable SNMP, click the Advanced menu’s SNMP tab and update the fields as described below.
Professional Access Point Administrator Guide the option. Field Description Enable SNMP SNMP provides a way for the access point to store management information and to provide the information to a network-management system (NMS). (See http://www.snmplink.org/ for more general information on SNMP.
Professional Access Point Administrator Guide Field Description Source (hostname or subnet) If source designation is enabled, enter the IP address of the host or subnet that is allowed to issue SNMP requests to the access point. If you use this option, the Professional Access Point honours requests from the specified host or subnet only. If you also enable a read-write community, the specified source must be a member of that community in order for the access point to honour the source’s requests.
Professional Access Point Administrator Guide Reboot For maintenance purposes or as a troubleshooting measure, you can reboot the Professional Access Point as follows. 1. Click the Advanced menu’s Reboot tab. 2. Click the Reboot button. The access point reboots. If the IP address of the access point changes after the reboot, you need to specify the new address in your Web browser in order to access the Web User Interface.
Professional Access Point Administrator Guide 2. Click the Reset button. Factory defaults are restored.If the IP address of the access point changes after the reset, you need to specify the new address in your Web browser in order to access the Web User Interface. Note Keep in mind that if you do reset the configuration from this page, you are doing so for this access point only; not for other access points in the cluster.
Professional Access Point Administrator Guide firmware on your devices to take advantages of new features and enhancements. Caution Do not upgrade the firmware from a wireless client that is associated with the access point you are upgrading. Doing so will cause the upgrade to fail. Furthermore, all wireless clients will be disassociated and no new associations will be allowed.
Professional Access Point Administrator Guide Information about the current firmware version is displayed and an option to upgrade a new firmware image is provided. 2. If you know the path to the New Firmware Image file, enter it in the textbox. Otherwise, click the Browse button and locate the firmware image file. 3. Click Update to apply the new firmware image. A confirmation window describes the upgrade process. 4. Click OK to confirm the upgrade and start the process.
Professional Access Point Administrator Guide Backing up Configuration Setting for an Access Point To save a copy of the current settings on an access point to a backup configuration file (.cbk format): 1. Click the download configuration link. A File Download or Open dialogue is displayed. 2. Choose the Save option on this first dialogue. This brings up a file browser. 3. Use the file browser to navigate to the directory where you want to save the file, and click Save to save the file.
Professional Access Point Administrator Guide 1. Select the backup configuration file you want to use, either by typing the full path and file name in the Restore field or by clicking Browse, selecting the file, and clicking Open. (Only those files that were created with the Backup function and saved as .cbk backup configuration files are valid to use with Restore; for example, apconfig.cbk.) 2. Click the Restore button. The access point will reboot.
Professional Access Point Administrator Guide Command Line Interface In addition to the Web-based user interface, the Professional Access Point includes a command line interface (CLI) for administering the access point. The CLI lets you view and modify status and configuration information. From the client station perspective, even a single deployed Professional Access Point broadcasting its "network name" to clients constitutes a wireless network.
Professional Access Point Administrator Guide • Access Point and Cluster Settings • User Accounts • Status • Ethernet (Wired) Interface • Wireless Interface • Security • Enable/Configure Guest Login Welcome Page • Configuring Multiple BSSIDs on Virtual Wireless Networks • Radio Settings • MAC Filtering • Load Balancing • Quality of Service • Wireless Distribution System • Time Protocol • Reboot the Access Point • Reset the Access Point to Factory Defaults • Keyboard Shortcut
Professional Access Point Administrator Guide Feature or Setting Configurable from CLI Configurable from Web User Interface Basic Settings yes yes Get existing settings only. yes • Getting/changing Administrator Password • Getting/changing access point name and location • Viewing information like MAC, IP address, and Firmware version Access Point and Cluster Settings You cannot set configuration policy or other cluster features from the CLI. Use for clustering settings.
Professional Access Point Administrator Guide Feature or Setting Configurable from CLI Configurable from Web User Interface Ethernet (Wired) Interface yes yes You can configure all Ethernet (Wired) settings from the CLI except "Connection Type". To change the Connection Type from DHCP to Static IP addressing (or vice versa), you must use the Web User Interface.
Professional Access Point Administrator Guide How to Access the CLI for an Access Point Use one of the following methods to access the command line interface (CLI) for the access point or wireless network: • Telnet Connection to the Access Point • SSH2 Connection to the Access Point Telnet Connection to the Access Point If you already have your network deployed and know the IP address of your access point, you can use a remote Telnet connection to the access point to view the system console over the ne
Professional Access Point Administrator Guide SSH2 Connection to the Access Point If you already have your network deployed and know the IP address of your access point, you can use a remote SSH2 connection to the access point to view the system console over the network. Notes The Professional Access Point supports SSH version 2 only. The default Static IP address is 192.168.1.10. If there is no DHCP server on the network, the access point retains this static IP address at first-time startup.
Professional Access Point Administrator Guide screen.) login as: admin admin@10.10.100.110's password: Enter 'help' for help. When the user name and password is accepted, the screen displays the Professional Access Point help command prompt. USR5453-AP# You are now ready to enter CLI commands at the command line prompt.
Professional Access Point Administrator Guide Command Description get The "get" command allows you to get the field values of existing instances of a class. Classes can be "named" or "unnamed". The command syntax is: get unnamed-class [ field ... | detail ] get named-class [ instance | all [ field ... | name | detail ] ] The rest of the command line is optional. If provided, it is either a list of one or more fields, or the keyword detail.
Professional Access Point Administrator Guide Command Description set The "set" command allows you to set the field values of existing instances of a class. set unnamed-class [ with qualifier-field qualifier-value ... to ] field value . . . The first argument is an unnamed class in the configuration. After this is an optional qualifier that restricts the set to only some instances. For singleton classes (with only one instance) no qualifier is needed.
Professional Access Point Administrator Guide Command Description remove The "remove" command allows you to remove an existing instance of a class. remove unnamed-class [ field value . . . ] remove named-class instance | all [ field value . . .] For example: remove radius-user wally The CLI also includes the following commands for maintenance tasks: save-running The save-running command saves the running configuration as the startup configuration.
Professional Access Point Administrator Guide • cluster-member Member of a cluster of like-configured access points config Configuration settings detected-ap Detected access point dhcp-client DHCP client settings dot11 IEEE 802.
Professional Access Point Administrator Guide “Wireless Interface” on page 200 “Security” on page 200 “Enable/Configure Guest Login Welcome Page” on page 215 “Configuring Multiple BSSIDs on Virtual Wireless Networks” on page 216 “Radio Settings” on page 217 “MAC Filtering” on page 222 “Load Balancing” on page 224 “Quality of Service” on page 224 “Wireless Distribution System” on page 231 “Time Protocol” on page 232 “Reboot the Access Point” on page 233 “Reset the Access Point to Factory Defaults” on page 23
Professional Access Point Administrator Guide Understanding Interfaces as Presented in the CLI The following summary of interface names is provided to help clarify the related CLI commands and output results. These names are not exposed on the Web User Interface, but are used throughout the CLI. You get and set many configuration values on the access point by referring to interfaces.
Professional Access Point Administrator Guide Interface Description wlan0wdsx A wireless distribution system (WDS) interface where "x" indicates the number of the WDS link. (For example, wlan0wds1.) vlanxxxx A VLAN interface for VLAN ID xxxx.
Professional Access Point Administrator Guide Basic Settings Note Before configuring this feature, make sure you are familiar with the names of the interfaces as described in “Understanding Interfaces as Presented in the CLI” on page 177. The interface name you reference in a command determines whether a setting applies to a wired or wireless interface, or to the Internal or Guest network.
Professional Access Point Administrator Guide Basic Setting Example Set the Wireless Network Name (SSID) set interface wlan0 ssid NewSSiD For example: set interface wlan0 ssid Vicky set interface wlan0 ssid "Vicky’s AP" Get the IP Address for the Internal Interface on an Access Point In the following example, the IP address for the access point is: 10.10.55.216. Use the get command as shown to obtain the IP address for the Internal network. USR5453-AP# get interface br0 ip 10.10.55.
Professional Access Point Administrator Guide wlan0wds1 wds wlan0wds2 wds wlan0wds3 wds USR5453-AP# down down down Class Structure, Commands, and Examples - 181
Professional Access Point Administrator Guide Get the Firmware Version for the Access Point In the following example, the access point is running Firmware Version: 1.0.0.9. Use the get command as shown to obtain the Firmware Version. USR5453-AP# get system version 1.0.0.9 Get the Location of the Access Point In the following example, the location of the access point has not been set. Use the get command as shown to obtain the location of the access point.
Professional Access Point Administrator Guide Access Point and Cluster Settings The command examples in this section show how to get the configuration for a cluster of access points. These settings generally correspond to those on the Cluster menu’s Access Points tab in the Web User Interface. Note You cannot use the CLI to add or remove an access point from a cluster or set the configuration policy.
Professional Access Point Administrator Guide This table shows a quick view of User Management commands and provides links to detailed examples.
Professional Access Point Administrator Guide 2. Provide a real name (Elizabeth Montgomery) for this user: USR5453-AP# set radius-user samantha realname "Elizabeth Montgomery" 3. Set the user password for samantha to "westport": USR5453-AP# set radius-user samantha password westport 4.
Professional Access Point Administrator Guide Status The command tasks and examples in this section show status information on access points. These settings correspond to what is shown on the Status tabs in the Web User Interface. (“Status” on page 67) This table provides a quick view of all Status commands and links to detailed examples. Note Make sure you are familiar with the names of the interfaces as described in “Understanding Interfaces as Presented in the CLI” on page 177.
Professional Access Point Administrator Guide Status Command Example Enable Remote Logging and Specify the Log Relay Host for the Kernel Log As a prerequisite to remote logging, the Log Relay Host must be configured first as described in Setting Up the Log Relay Host. See complete explanation of CLI commands at Enable Remote Logging and Specify the Log Relay Host for the Kernel Log.
Professional Access Point Administrator Guide elliot_AP Get Current Settings for the Ethernet (Wired) Guest Interface The following example shows how to use the CLI to get the Ethernet (Wired) settings for the Guest interface for an access point. You can see by the output results of the command that the MAC address is 00:50:04:6f:6f:90, the IP address is 10.10.56.248, and the subnet mask is 255.255.255.0.
Professional Access Point Administrator Guide Get All Radio Settings on the Internal Interface USR5453-AP# get radio wlan0 detail Field Value ---------------------------------------------------status up description IEEE 802.
Professional Access Point Administrator Guide 4. Specify the Relay Host 5. Specify the Relay Port 6. Review Log Settings After Configuring Log Relay Host Prerequisites for Remote Logging To capture Kernel Log messages from the access point system, you must first set up a remote server running a syslog process and acting as a syslog "log relay host" on your network. (For information on how to set up the remote server, see “Setting Up the Log Relay Host” on page 70.
Professional Access Point Administrator Guide set log relay-host IP_Address_Of_LogRelayHost Where IP_Address_Of_LogRelayHost is the IP Address of the Log Relay Host. For example: • USR5453-AP# set log relay-host 10.10.5.220 To specify a Host Name for the syslog server: set log relay-host Host_Name_Of_LogRelayHost Where Host_Name_Of_LogRelayHost is the a DNS name for the Log Relay Host.
Professional Access Point Administrator Guide Name Ip Mac Ssid Tx-packets Tx-bytes Tx-errors Rx-packets Rx-bytes Rx-errors --------------------------------------------------------------------------lo 127.0.0.1 00:00:00:00:00:00 1319 151772 0 1319 151772 0 eth0 00:A0:C9:8C:C4:7E 4699 3025566 0 11323 1259824 0 eth1 0.0.0.0 00:50:04:6F:6F:90 152 49400 0 6632 664298 0 br0 10.10.55.216 00:A0:C9:8C:C4:7E 4699 3025566 0 10467 885264 0 brguest 10.10.56.248 00:50:04:6F:6F:90 152 48032 0 5909 293550 0 wlan0 0.0.0.
Professional Access Point Administrator Guide num_beacons phy-type privacy rate signal ssid supported-rates type wpa Number of beacons received PHY mode detected with WEP or WPA enabled Rate Signal strength Service Set IDentifier (a.k.a., Network Name) Supported rates list Type (AP, Ad hoc, or Other) WPA security enabled To get the neighbouring access points, type get detected-ap.
Professional Access Point Administrator Guide Ethernet (Wired) Interface Note Before configuring this feature, make sure you are familiar with the names of the interfaces as described in “Understanding Interfaces as Presented in the CLI” on page 177. The interface name you reference in a command determines whether a setting applies to a wired or wireless interface or to the Internal or Guest network.
Professional Access Point Administrator Guide Get Summary View of Internal and Guest Interfaces USR5453-AP# get bss name status radio beacon-interface mac -------------------------------------------------------------------wlan0bssInternal up wlan0 wlan0 00:0C:41:16:DF:A6 wlan0bssGuest down wlan0 wlan0guest Get the DNS Name USR5453-AP# get host id USR5453-AP Set the DNS Name USR5453-AP# set host id vicky-ap bob# get host id vicky-ap Get Wired Internal Interface Settings See “Get Current Settings for the Ethe
Professional Access Point Administrator Guide • Disable Guest Access on VLANs • Change VLAN IDs (VLANs Must Be Enabled Already) Enable / Configure Guest Access on VLANs Caution • You cannot use an ssh or telnet connection to configure VLANs, because you will lose network connectivity to the access point when you remove the bridge-port. Therefore, you cannot configure VLANs through the CLI. • Be sure to verify that the switch and DHCP server you are using can support VLANs per the 802.1Q standard.
Professional Access Point Administrator Guide ip mask 10.10.56.248 255.255.255.0 Disable Guest Access on VLANs This example assumes you start with Guest Access "enabled" on VLANs and provides commands to disable it. 1.
Professional Access Point Administrator Guide USR5453-AP# set interface vlan1111 vlan-id 1112 Error: vlan-id cannot be changed after insert.
Professional Access Point Administrator Guide Set the Static IP Address 1. Check to see what the current static IP address is. (In this example, the current static IP address is the factory default.) USR5453-AP# get interface br0 static-ip 10.10.12.221 2. Re-set to a new static IP address: USR5453-AP# set interface br0 static-ip 10.10.12.81 Set the Static Subnet Mask Address 1. Check to see the current Subnet Mask. (In this example, the current subnet mask is the factory default.
Professional Access Point Administrator Guide 4. Re-set the IP addresses for the DNS Nameservers as desired: USR5453-AP# set host static-dns-1 10.10.3.10 USR5453-AP# get host static-dns-1 10.10.3.10 USR5453-AP# set host static-dns-2 10.10.3.12 USR5453-AP# get host static-dns-2 10.10.3.
Professional Access Point Administrator Guide Security Command Example Get Detailed Description of Current Security Settings get bss wlan0bssInternal detail get interface wlan0 detail Set the Broadcast SSID (Allow or Prohibit) set bss wlan0bssInternal ignore-broadcast-ssid on set bss wlan0bssInternal ignore-broadcast-ssid off Enable / Disable Station Isolation Set Security to None set interface wlan0 security plain-text Set Security to Static WEP See detailed example in “Set Security to Static WEP
Professional Access Point Administrator Guide Set the Broadcast SSID (Allow or Prohibit) To set the Broadcast SSID to on (allow): USR5453-AP# set bss wlan0bssInternal ignore-broadcast-ssid on To set the Broadcast SSID to off (prohibit): USR5453-AP# set bss wlan0bssInternal ignore-broadcast-ssid off Enable / Disable Station Isolation USR5453-AP# get radio wlan0 station-isolation off USR5453-AP# set radio wlan0 station-isolation off USR5453-AP# get radio wlan0 detail Field Value ------------------------------
Professional Access Point Administrator Guide 1. Set the Security Mode USR5453-AP# set interface wlan0 security static-wep 2. Set the Transfer Key Index The following commands set the Transfer Key Index to 4. USR5453-AP# USR5453-AP# USR5453-AP# USR5453-AP# set set set set interface interface interface interface wlan0 wlan0 wlan0 wlan0 wep-default-key wep-default-key wep-default-key wep-default-key 1 2 3 4 3. Set the Key Length For the CLI, valid values for Key Length are 40 bits or 104 bits.
Professional Access Point Administrator Guide 5. Set the WEP Keys Note The number of characters required for each WEP key depends on how you set Key Length and Key Type: • If Key Length is 40 bits and the Key Type is "ASCII", then each WEP key be 5 characters long. • If Key Length is 40 bits and Key Type is "Hex", then each WEP key must be 10 characters long. • If Key Length is 104 bits and Key Type is "ASCII", then each WEP Key must be 13 characters long.
Professional Access Point Administrator Guide --------------------------------------------status up description Internal radio wlan0 beacon-interface wlan0 mac 00:0C:41:16:DF:A6 dtim-period 2 max-stations 2007 ignore-broadcast-ssid off mac-acl-mode deny-list mac-acl-name wlan0bssInternal radius-accounting off radius-ip 127.0.0.
Professional Access Point Administrator Guide wpa-personal-key wep-key-ascii wep-key-length wep-default-key wep-key-1 wep-key-2 wep-key-3 wep-key-4 vlan-interface vlan-id radio remote-mac wep-key yes 104 4 abcde fghij klmno Set Security to IEEE 802.1x 1. Set the Security Mode 2. Set the Authentication Server 3. Set the RADIUS Key (For External RADIUS Server Only) 4. Enable RADIUS Accounting (External RADIUS Server Only) 5. Get Current Security Settings After Re-Configuring to IEEE 802.1x Security Mode 1.
Professional Access Point Administrator Guide USR5453-AP# set bss wlan0bssInternal radius-key secret 4. Enable RADIUS Accounting (External RADIUS Server Only) You can enable RADIUS Accounting if you want to track and measure the resources a particular user has consumed such system time, amount of data transmitted and received, and so on. Note RADIUS accounting is not supported by the built-in server, so if you are using the built-in server make sure that RADIUS accounting is off.
Professional Access Point Administrator Guide rsn-preauthentication off Set Security to WPA/WPA2 Personal (PSK) 1. Set the Security Mode 2. Set the WPA Versions 3. Set the Cipher Suites 4. Set the Pre-shared Key 5. Get Current Security Settings After Re-Configuring to WPA/WPA2 Personal (PSK) 1. Set the Security Mode USR5453-AP# set interface wlan0 security wpa-personal 2. Set the WPA Versions Select the WPA version based on what types of client stations you want to support.
Professional Access Point Administrator Guide 3. Set the Cipher Suites Set the cipher suite you want to use. The options are: Cipher Suite Option Example TKIP: Temporal Key Integrity Protocol (TKIP), which is the default. set bss wlan0bssInternal wpa-cipher-tkip on set bss wlan0bssInternal wpa-cipher-ccmp off To set the cipher suite to TKIP only: CCMP (AES) - Counter mode/ CBC-MAC Protocol (CCMP) is an encryption method for IEEE 802.11i that uses the Advanced Encryption Algorithm (AES).
Professional Access Point Administrator Guide 5. Get Current Security Settings After Re-Configuring to WPA/WPA2 Personal (PSK) Now you can use the "get" command again to view the updated security configuration and see the results of your new settings. The following command gets the security mode in use on the Internal network: USR5453-AP# get interface wlan0 security wpa-personal The following command gets details on how the internal network is configured, including details on Security.
Professional Access Point Administrator Guide 2. Set the WPA Versions Select the WPA version based on what types of client stations you want to support. WPA Option Example WPA: If all client stations on the network support the original WPA but none support the newer WPA2, then use WPA.
Professional Access Point Administrator Guide 3. Enable Pre-Authentication If you set WPA versions to "WPA2" or "Both", you can enable pre-authentication for WPA2 clients. Enable pre-authentication if you want WPA2 wireless clients to send preauthentication packet. The pre-authentication information will be relayed from the access point the client is currently using to the target access point. Enabling this feature can help speed up authentication for roaming clients who connect to multiple access points.
Professional Access Point Administrator Guide Cipher Suite Option Example Both - When the authentication algorithm is set to "Both", both TKIP and AES clients can associate with the access point. WPA clients must have either a valid TKIP key or a valid CCMP (AES) key to be able to associate with the AP.
Professional Access Point Administrator Guide consumed such system time, amount of data transmitted and received, and so on. Note RADIUS accounting is not supported by the built-in server, so if you are using the built-in server make sure that RADIUS accounting is off.
Professional Access Point Administrator Guide Enable/Configure Guest Login Welcome Page Guest Welcome Option Example View Guest Login Settings: get portal Enable/Disable the Guest Welcome Page set portal status Set Guest Welcome Page Textl: set portal welcome-screen-text "Welcome Screen Text" Where "Welcome Screen Text" is the content of the Welcome message you want displayed on the Guest Welcome Web Page.
Professional Access Point Administrator Guide Review Guest Login Settings The following example shows the results of the "set portal" command after specifying some new settings: USR5453-AP# get portal Field Value ----------------------------------------------------status up welcome-screen on welcome-screen-text Welcome to the Stephens Network Configuring Multiple BSSIDs on Virtual Wireless Networks Note Before configuring this feature, make sure you are familiar with the names of the interfaces as describ
Professional Access Point Administrator Guide Creating VWN 'Two' on Radio One with WPA security To configure the second Virtual Wireless Network, repeat steps 1-3 as described above (in Configuring Virtual Wireless Network "One" on Radio One) with the following differences: • Create a second VLAN ID from the Web User Interface with a new SSID • In the CLI commands, replace wlan0bssvwn1 with wlan0bssvwn2.
Professional Access Point Administrator Guide (The radio in this example is using IEEE 802.11g mode.) Get Radio Channel To get the current setting for radio Channel: USR5453-AP# get radio wlan0 channel 6 (The radio in this example is on Channel 6.
Professional Access Point Administrator Guide wme on Get Supported Rate Set The Supported Rate Set is what the access point supports. The access point will automatically choose the most efficient rate based on factors like error rates and distance of client stations from the access point. USR5453-AP# get supported-rate name rate ----------wlan0 54 wlan0 48 wlan0 36 wlan0 24 wlan0 18 wlan0 12 wlan0 11 wlan0 9 wlan0 6 wlan0 5.
Professional Access Point Administrator Guide 1. Turn the Radio On or Off To turn the radio on: set radio wlan0 status up To turn the radio off: set radio wlan0 status down 2. Set the Radio Mode Valid values depend on the capabilities of the radio. Possible values and how you would use the CLI to set each one are shown below. IEEE 802.11b set radio wlan0 mode b IEEE 802.11g set radio wlan0 mode g The following command sets the Wireless Mode to IEEE 802.11g: USR5453-AP# set radio wlan0 mode g 3.
Professional Access Point Administrator Guide (2,346 bytes) effectively disables fragmentation. The following command sets the fragmentation threshold to 2000. USR5453-AP# set radio wlan0 fragmentation-threshold 2000 7. Set the RTS Threshold You can specify an RTS Threshold value between 0 and 2347. The RTS threshold specifies the packet size of a request to send (RTS) transmission. This helps control traffic flow through the access point, especially one with a lot of clients.
Professional Access Point Administrator Guide USR5453-AP# get supported-rate wlan0 rate ---1 2 5.5 6 11 12 18 24 36 48 54 9 Note You can use the get command to view current rate sets from the CLI as described in “Get Supported Rate Set” on page 219 and “Get Basic Rate Set” on page 219. However, cannot reconfigure Supported Rate Sets or Basic Rate Sets from the CLI. You must use the Advanced menu’s Radio page on the Web User Interface to configure this feature.
Professional Access Point Administrator Guide To set up a Deny list: set bss wlan0bssInternal mac-acl-mode deny-list (With this type of list, the access point will prevent access to client stations whose MAC addresses are listed.) Add MAC Addresses of Client Stations to the Filtering List To add a MAC address to the list: add mac-acl wlan0bssInternal mac MAC_Address_Of_Client Where MAC_Address_Of_Client is the MAC address of a wireless client you want to add to the MAC filtering list.
Professional Access Point Administrator Guide wlan0bssInternal wlan0bssInternal wlan0bssInternal 00:01:02:03:04:06 00:01:02:03:04:07 00:01:02:03:04:08 Load Balancing Note Before configuring this feature, make sure you are familiar with the names of the interfaces as described in “Understanding Interfaces as Presented in the CLI” on page 177. The interface name you reference in a command determines whether a setting applies to a wired or wireless interface or to the Internal or Guest network.
Professional Access Point Administrator Guide This table shows a quick view of QOS commands and provides links to detailed examples. QoS Command Example Enable/Disable Wi-Fi Multimedia set radio wlan0 wme off set radio wlan0 wme on get radio wlan0 wme About Access Point and Station EDCA Parameters See “About Access Point and Station EDCA Parameters” on page 226. Understanding the Queues for Access Point and Station See “Understanding the Queues for Access Point and Station” on page 226.
Professional Access Point Administrator Guide the Professional Access Point control both downstream traffic flowing from the access point to client station (access point EDCA parameters) and upstream traffic flowing from the station to the access point (station EDCA parameters). Enabling WMM essentially activates station-to-access-point QoS control. Disabling WMM will deactivates QoS control of "station EDCA parameters" on upstream traffic flowing from the station to the access point.
Professional Access Point Administrator Guide Station - To get and set QoS settings on the client station, use the "wme-queue" class name in the command. Get QoS Settings on the Access Point To view the current QoS settings and queue names for access-point-to-station parameters: USR5453-AP# get tx-queue name queue aifs cwmin cwmax burst --------------------------------------wlan0 data0 1 3 7 1.5 wlan0 data1 1 7 15 3.
Professional Access Point Administrator Guide wlan0 wlan0 wlan0 wlan0 data0 data1 data2 data3 13 1 3 7 3 7 15 15 7 15 63 1023 1.5 3.0 0 0 Set AIFS on the Client Station To set the AIFS on station-to-access-point traffic: set wme-queue wlan0 with queue Queue_Name to aifs AIFS_Value Where Queue_Name is the queue on the station to which you want the setting to apply and AIFS_Value is the wait time value you want to specify for AIFS.
Professional Access Point Administrator Guide For example, this command sets the access point Video queue (data1) cwmin value to 15 and cwmax value to 31. USR5453-AP# set tx-queue wlan0 with queue data1 cwmin 15 cwmax 31 View the results of this configuration update (bold in the command output highlights the modified values): USR5453-AP# get tx-queue name queue aifs cwmin cwmax burst --------------------------------------wlan0 data0 13 3 7 1.5 wlan0 data1 1 15 31 3.
Professional Access Point Administrator Guide For example, this command sets the maximum packet burst length on the access point Best Effort queue (data2) to 0.5. USR5453-AP# set tx-queue wlan0 with queue data2 to burst 0.5 View the results of this configuration update (bold in the command output highlights the modified value): USR5453-AP# get tx-queue name queue aifs cwmin cwmax burst --------------------------------------wlan0 data0 13 3 7 1.5 wlan0 data1 1 15 31 3.0 wlan0 data2 3 15 63 0.
Professional Access Point Administrator Guide Wireless Distribution System Note Before configuring this feature, make sure you are familiar with the names of the interfaces as described in “Understanding Interfaces as Presented in the CLI” on page 177. The interface name you reference in a command determines whether a setting applies to a wired or wireless interface or to the Internal or Guest network. This table shows a quick view of WDS commands and links to detailed examples.
Professional Access Point Administrator Guide rx-frame rx-compressed rx-multicast tx-bytes tx-packets tx-errors tx-drop tx-fifo tx-colls tx-carrier tx-compressed ssid bss security wpa-personal-key wep-key-ascii wep-key-length wep-default-key wep-key-1 wep-key-2 wep-key-3 wep-key-4 vlan-interface vlan-id radio remote-mac wep-key 0 0 0 0 0 0 0 0 0 0 0 no 104 wlan0 00:E0:B8:76:1B:14 Time Protocol The Network Time Protocol (NTP) is an Internet standard protocol that synchronizes computer clock times on your
Professional Access Point Administrator Guide Field Value -------------------------status up server ntp.instant802.com Reboot the Access Point To reboot the access point, simply type "reboot" at the command line: USR5453-AP# reboot Reset the Access Point to Factory Defaults If you are experiencing extreme problems with the Professional Access Point and have tried all other troubleshooting measures, you can reset the access point.
Professional Access Point Administrator Guide Keyboard Shortcuts Action on CLI Keyboard Shortcut Move cursor to the beginning of the current line Ctrl-a Home Move cursor to the end of the current line Ctrl-e End Move cursor back on the current line, one character at a time Ctrl-b Left Arrow key Move the cursor forward on the current line, one character at a time Ctrl-f Right Arrow Key Start over at a blank command prompt (abandons the input on the current line) Ctrl-c Remove one character on th
Professional Access Point Administrator Guide • • • • Example 1: At a blank command line, hit TAB twice to get a list of all commands.
Professional Access Point Administrator Guide • dhcp-client DHCP client settings dot11 IEEE 802.
Professional Access Point Administrator Guide and Field Reference” on page 239. Configuration information for the Professional Access Point is represented as a set of classes and objects. Different kinds of information uses different classes. For example, information about a network interface is represented by the "interface" class, while information about an NTP client is represented by the "ntp" class. Depending on the type of class, there can be multiple instances of a class.
Professional Access Point Administrator Guide Figure 10.
Professional Access Point Administrator Guide Class and Field Reference Class Index Class Description association An associated station. basic-rate A radio rate. bridge-port A port that is a member of a bridge. bss A BSS of a radio. cluster Stores arbitrary data. cluster-member Stores arbitrary data. config Config settings. detected-ap A detected access point. dhcp-client The handler for the DHCP client class. dot11 802.11 settings (all radios). host IP host settings.
Professional Access Point Administrator Guide Persistent: No. Purpose: An associated station. Field Index Field Description interface The interface with which the station is associated. station The MAC address of the station. authenticated Whether the station is authenticated. associated Whether the station is associated. rx-packets The number of packets received from the station. tx-packets The number of packets transmitted by the station.
Professional Access Point Administrator Guide rx-bytes Purpose The number of bytes received from the station. Valid values Positive integer. tx-bytes Purpose The number of bytes transmitted by the station. Valid values Positive integer. tx-rate Purpose The transmission rate. Valid values A rate, in 100 kbps. listen-interval Purpose The listen interval. Valid values A time, in ms. basic-rate Persistent: Yes. Purpose: A radio rate. Description: Used to set the rate sets of radios.
Professional Access Point Administrator Guide Field Index Field Description path-cost The path cost. priority The port priority. path-cost Purpose The path cost. Used only when STP is on. Valid values 1-65535. priority Purpose The port priority. Used only when STP is on. Valid values 0-255. bss Persistent: Yes. Purpose: A BSS of a radio. Description: Represents a basic service set.
Professional Access Point Administrator Guide Field Index Field Description status Controls whether this is on or off. description A human-readable description of the interface. radio The radio this is part of. beacon-interface The service-set interface to send beacons for. mac The MAC address of the interface. dtim-period Delivery Traffic Information Map period. max-stations Maximum number of stations. ignore-broadcast-ssid Do not send SSID in beacons and ignore probe requests.
Professional Access Point Administrator Guide mac Purpose The MAC address of the interface. Read-only; value is determined by the starting MAC of the radio. Valid values 6 colon-separated hexadecimal digit pairs. dtim-period Purpose Delivery Traffic Information Map period. Valid values 1-225. max-stations Purpose Maximum number of stations. Valid values 0-2007. ignore-broadcast-ssid Purpose Do not send SSID in beacons and ignore probe requests. Valid values "on" or "off".
Professional Access Point Administrator Guide open-system-authentication Purpose Whether Open System authentication is permitted. Valid values "on" or "off". shared-key-authentication Purpose Whether Shared Key authentication is permitted. Valid values "on" or "off". wpa-cipher-tkip Purpose Whether TKIP is permitted as a WPA cipher. Valid values "on" or "off". wpa-cipher-ccmp Purpose Whether CCMP is permitted as a WPA cipher. Valid values "on" or "off". channel-planner Persistent: Yes.
Professional Access Point Administrator Guide Purpose: Stores arbitrary data. Description: No services are restarted. config Persistent: Yes. Purpose: Configuration settings. Description: Used for configuration fields. Field Index Field Description startup Configuration at boot time. default Configuration after factory reset. no-external-updates Prevent external configuration updates startup Purpose Configuration at boot time. Write-only. Valid values "default": Reset to factory defaults.
Professional Access Point Administrator Guide Field Index Field Description level Level of debugging information. timestamp Add a timestamp to debugging information. klevel Level of kernel debugging information. olevel Level of Orchestrator debugging information. ologhost Host for Orchestrator to send syslogs to. level Purpose Level of debugging information. Valid values 0-5. timestamp Purpose Add a timestamp to debugging information. Valid values "on" or "off".
Professional Access Point Administrator Guide Field Index Field Description mac The MAC address of the AP. radio The radio that detected the AP. beacon-interval The beacon interval of the AP in kus (1. capability The capabilities of the AP. type The type of device detected. privacy Whether privacy (WEP or WPA) is enabled. ssid The SSID of the AP. wpa Whether WPA security is enabled. phy-type The mode our radio was in when the AP was detected. band The RF band the AP was detected in.
Professional Access Point Administrator Guide type Purpose The type of device detected. Valid values "AP", "Ad hoc", or "Other". privacy Purpose Whether privacy (WEP or WPA) is enabled. Valid values "On" or "Off". ssid Purpose The SSID of the AP. Valid values String of up to 32 octets. wpa Purpose Whether WPA security is enabled. Valid values "On" or "Off". phy-type Purpose The mode your radio was in when the AP was detected. Valid values 4: IEEE 802.11b. 7: IEEE 802.11g.
Professional Access Point Administrator Guide erp Purpose The ERP of the AP. Valid values C-formatted hexadecimal number. beacons Purpose The number of beacons received from this AP. Valid values Positive integer. last-beacon Purpose The time of the last beacon received from this AP. Valid values Date and time, in Unix time format. supported-rates Purpose The supported rates of the AP. Valid values Bracketed list of hexadecimal rate codes. dhcp-client Persistent: Yes.
Professional Access Point Administrator Guide dot11 Persistent: Yes. Purpose: 802.11 settings (all radios). Description: Represents the wireless functions of the access point. Field Index Field Description status Controls whether 802. debug The debugging level for 802. dot11d Whether AP should enable 802. status Purpose Controls whether 802.11 is in use. Valid values "up" or "down". debug Purpose The debugging level for 802.11. Valid values 0-3. dot11d Purpose Whether AP should enable 802.
Professional Access Point Administrator Guide Field Index Field Description dns-[12] Domain name servers in use. domain Domain name in use. id The host name. static-dns-[12] Domain name servers to use when not obtained through DHCP. static-domain Domain name to use when not obtained through DHCP. dns-via-dhcp Whether DNS parameters are obtained through DHCP. dns-[12] Purpose Domain name servers in use. Valid values IP address. domain Purpose Domain name in use. Valid values DNS domain name.
Professional Access Point Administrator Guide interface Persistent: Yes. Purpose: A network interface. Description: Used for per-interface fields. Field Index Field Description ip The actual IP address of this interface. mask The actual netmask of this interface. status Controls whether this is on or off. type The type of the interface. description A human-readable description of the interface. mac The MAC address of the interface. static-ip The static IP address of this interface.
Professional Access Point Administrator Guide Valid values Netmask in dotted-decimal notation. status Purpose Controls whether this is on or off. Valid values "up" or "down". type Purpose The type of the interface. Used to determine what additional fields are available. Read-only. Valid values "service-set", "bridge", "vlan", "wds", "pptp", "pppoe". description Purpose A human-readable description of the interface. Valid values an ASCII string. mac Purpose The MAC address of the interface.
Professional Access Point Administrator Guide rx-drop Purpose Received packets that were dropped Valid values Integer. rx-fifo Purpose Received packets with FIFO overflows. Valid values Integer. rx-frame Purpose Received packets with frame errors. Valid values Integer. rx-compressed Purpose Received packets with compression. Valid values Integer. rx-multicast Purpose Received packets that were multicast. Valid values Integer. tx-bytes Purpose Transmitted bytes. Valid values Integer.
Professional Access Point Administrator Guide Valid values Integer. tx-colls Purpose Transmitted packets will collisions. Valid values Integer. tx-carrier Purpose Transmitted packets with carrier errors. Valid values Integer. tx-compressed Purpose Transmitted packets with compression. Valid values Integer. ip-route Persistent: Yes. Purpose: An IP route. Description: An IP route. Field Index Field Description in-use Whether the route is currently in use. destination The destination network prefix.
Professional Access Point Administrator Guide Valid values Netmask. gateway Purpose The router by which the destination is reachable. Valid values IP address. jvm Persistent: No. Purpose: Java Virtual Machine. Description: Represents a JVM. Field Index Field Description status Controls whether this is on or off. status Purpose Controls whether this is on or off. Valid values "up" or "down". kickstartd Persistent: No. Purpose: The handler for the kickstartd class.
Professional Access Point Administrator Guide Field Index Field Description depth The number of log entries to keep depth Purpose The number of log entries to keep. Valid values Positive integer. log-entry Persistent: No. Purpose: An entry in the log. Description: An entry in the log. Field Index Field Description number The entry number. priority The priority of the log entry. time The time of the message. daemon The daemon the message is associated with. message The message.
Professional Access Point Administrator Guide message Purpose The message. Valid values String. mac-acl Persistent: Yes. Purpose: A MAC access list entry. Description: Each instance represents a single MAC address. All instances with the same name form a list. This list can be used by BSSes. Field Index Field Description mac A MAC address. mac Purpose A MAC address. Valid values 6 colon-separated hexadecimal digit pairs. */ ntp Persistent: Purpose: Yes. Network Time Protocol client settings.
Professional Access Point Administrator Guide portal Persistent: Yes. Purpose: Guest captive portal settings. Description: Represents a portal. When a portal is run on an interface, traffic entering that interface does not have unconditional access to the AP - they must satisfy some portal requirements, such as clicking through a welcome screen, before access is given. Field Index Field Description status Controls whether this is on or off.
Professional Access Point Administrator Guide Field Index Field Description status Controls whether the radio is on or off. description A human-readable description of the interface. mac The MAC address of the radio. max-bss The maximum number of BSSes permitted on this radio. channel-policy The channel policy of this radio. mode The wireless mode of this radio. super-g Whether Super G is enabled. static-channel The static channel of this radio. tx-power The transmit power of this radio.
Professional Access Point Administrator Guide ware. This will be used as the starting MAC address for the BSSes. Valid values 6 colon-separated hexadecimal digit pairs. max-bss Purpose The maximum number of BSSes permitted on this radio. This limits the number of bss instances whose radio field can be this radio's name. Valid values Positive integers. channel-policy Purpose The channel policy of this radio. Valid values static: Use static-channel. best: Select the best channel.
Professional Access Point Administrator Guide rts-threshold Purpose The size of frames at which RTS/CTS will be used. Valid values 0-2347. fragmentation-threshold Purpose The size of frames at which they will be fragmented. Valid values 256-2346. load-balance-disassociation-utilization Purpose The load that must be exceeded in order for a station to be disassociated. The condition for load-balance-disassociation-stations must also be satisfied, if it is non-zero.
Professional Access Point Administrator Guide Valid values "on" or "off". radius-user Persistent: Yes. Purpose: A local authentication server user. Description: Handles username/password and generates password hash serial Persistent: Yes. Purpose: The handler for the serial class. Description: Represents the serial access to the CLI. snmp Persistent: Yes. Purpose: SNMP server. Description: Represents a SNMP server. Field Index Field Description status Controls whether this is on or off.
Professional Access Point Administrator Guide rw-community Purpose The read-write community name. Valid values String. ip Purpose The IP address of the interface to listen on. Valid values IP address. engine-id Purpose The engine identifier. Valid values A string. ssh Persistent: Yes. Purpose: The handler for the ssh class. Description: Represents the SSH. supported-rate Persistent: Purpose: Yes. A radio rate. Field Index This class has the same fields as class basic-rate. system Persistent: Yes.
Professional Access Point Administrator Guide Field Index Field Description password The login password. encrypted-password The login password, crypted. password-initialized Whether the password has been initialized since first boot. reboot Reboot the system. password Purpose The login password. Write-only. Valid values String. encrypted-password Purpose The login password, crypted. Valid values String. password-initialized Purpose Whether the password has been initialized since first boot.
Professional Access Point Administrator Guide Field Index Field Description host The host to send traps to. community The community to send the traps with. type The type of traps to send. host Purpose The host to send traps to. Valid values IP address. community Purpose The community to send the traps with. Valid values A string. type Purpose The type of traps to send. Valid values "trapsink", "trap2sink", or "informsink". tx-queue Persistent: Yes. Purpose: A transmission queue.
Professional Access Point Administrator Guide aifs Purpose Adaptive Inter-Frame Space. Valid values 1-255. cwmin Purpose Minimum contention window. Valid values 1, 3, 7, 15, 31, 63, 127, 255, 511, or 1024. cwmax Purpose Maximum contention window. Valid values 1, 3, 7, 15, 31, 63, 127, 255, 511, or 1024. burst Purpose Maximum burst length. Valid values 0.0-999.9. web-ui Persistent: No. Purpose: Web user interface settings. Description: Represents the web user interface of the AP.
Professional Access Point Administrator Guide Troubleshooting This part of the Professional Access Point Administrator Guide addresses installation and post-installation troubleshooting issues as follows: • • Installation and Connectivity Troubleshooting • The installation procedure does not begin when I insert the Installation CD-ROM. • The Professional Access Point Detection Utility does not find the access point. • I cannot access the Web User Interface.
Professional Access Point Administrator Guide access point. Possible Solution 1: 1. Ensure that all cables are plugged in firmly, and verify that the access point’s power indicator is lighted. 2. In the Detection Utility, click Back and then click Next to restart the discovery process. Possible Solution 2: You can open the access point’s Web User Interface without using the Detection Utility by typing the IP address in your Web browser’s navigation or address bar.
Professional Access Point Administrator Guide 2. Select Never dial a connection, and then click the LAN Settings button. 3. Clear all the checkboxes and click OK. 4. Click OK again to apply the connection setting Netscape Navigator users: 1. Click Edit, Preferences, and then double-click Advanced in the Category window. 2. Click Proxies, select Direct connection to the Internet, and then click OK. Possible Solution 4: Note Resetting the access point returns all settings to their factory defaults.
Professional Access Point Administrator Guide Possible Solution 2: Ensure that the wireless device is set to Infrastructure mode and has the following settings in common with the access point: • SSID, also called Network Name. • Kind of security (for example, WPA) • Security key value • 802.11 mode If you change the settings on the access point, remember to change the settings on your wireless devices also. Possible Solution 3: Ensure that the access point is broadcasting its SSID: 1.
Professional Access Point Administrator Guide Possible Solution 6: Note Resetting the access point returns all settings to their factory defaults. You will have to re-enter your configuration settings or restore your configuration backup after resetting the access point. Reset the access point by using a thin object, such as a paper clip, to press the Reset button press the Reset button until both the LAN and WLAN LEDs turn off briefly.
Professional Access Point Administrator Guide the notes below. Notes • The only security mode available on the WDS link is Static WEP, which is not particularly secure. Therefore, USRobotics recommends using WDS to bridge the Guest network only. Do not use WDS to bridge access points on the Internal network unless you are not concerned about the security risk for data traffic on that network. • When using WDS, be sure to configure WDS settings on both access points participating in the WDS link.
Professional Access Point Administrator Guide access point on the subnet. Stop Clustering and Reset Each Access Point in the Cluster If the previous reboot or reset methods do not solve the problem, do the following to stop clustering and reset all APs. 1. Stop clustering on each access point in the cluster. To do this, enter the Stop Clustering URL in the address bar of your Web browser as follows: http://IPAddressOfAccessPoint/stop_clustering.
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Professional Access Point Administrator Guide Support Information If you are having trouble with the configuration or operation of your access point: 1. Refer to the “Troubleshooting” section in this guide. 2. Go to the Support section of the USRobotics Web site at www.usr.com/support/. Many of the most common difficulties that users experience have been addressed in the FAQ and Troubleshooting Web pages for your product. The product number of the Professional Access Point is 5453.
Professional Access Point Administrator Guide Country Webmail Voice Turkey www.usr.com/emailsupport/tk UAE www.usr.com/emailsupport/me +971 0800 877 63 UK www.usr.com/emailsupport/uk +44 0870 844 4546 Support Hours 12:00–22:00, M–F 8:00–18:00 M–F For current support contact information, go to www.usr.com/support.
Professional Access Point Administrator Guide Regulatory Information Manufacturer’s Declaration of Conformity U.S. Robotics Corporation 935 National Parkway Schaumburg, IL 60173 U.S.A.
Professional Access Point Administrator Guide to try to correct the interference by one or more of the following measures: • • • • Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.
Professional Access Point Administrator Guide To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the Equivalent Isotropic Radiated Power (EIRP) is not more than that required for successful communication. Caution: Users should not attempt to make electrical ground connections by themselves, but should contact the appropriate inspection authority or an electrician, as appropriate. CE Compliance Manufacturer’s Declaration of Conformity We, U.S.
Professional Access Point Administrator Guide Regulatory Channel Frequency Channel Frequency (MHz) FCC Canada ETSI 1 2412 X X X 2 2417 X X X 3 2422 X X X 4 2427 X X X 5 2432 X X X 6 2437 X X X 7 2442 X X X 8 2447 X X X 9 2452 X X X 10 2457 X X X 11 2462 X X X 12 2467 X 13 2472 X EU Health Protection This device complies with the European requirements governing exposure to electromagnetic radiation.
Professional Access Point Administrator Guide U.S. Robotics Corporation Two (2) Year Limited Warranty 1.0 GENERAL TERMS: 1.1 This Limited Warranty is extended only to the original end-user purchaser (CUSTOMER) and is not transferable. 1.2 No agent, reseller, or business partner of U.S. Robotics Corporation (U.S. ROBOTICS) is authorised to modify the terms of this Limited Warranty on behalf of U.S. ROBOTICS. 1.3 This Limited Warranty expressly excludes any product that has not been purchased as new from U.
Professional Access Point Administrator Guide 2.2 CUSTOMER is specifically advised to make a backup copy of all software provided with this product. 2.3 CUSTOMER assumes full responsibility to properly install and configure this product and to ensure proper installation, configuration, operation and compatibility with the operating environment in which this product is to function. 2.4 CUSTOMER must furnish U.S. ROBOTICS a dated Proof of Purchase (copy of original purchase receipt from U.S.
Professional Access Point Administrator Guide 4.4 Responsibility for loss or damage does not transfer to U.S. ROBOTICS until the returned product or part is received as an authorised return at an authorised U.S. ROBOTICS Return Centre. 4.5 Authorised CUSTOMER returns will be unpacked, visually inspected, and matched to the Product Model Number and Product Serial Number for which the RMA was authorised. The enclosed Proof of Purchase will be inspected for date of purchase and place of purchase. U.S.
Professional Access Point Administrator Guide OTHER LIABILITY IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, WARRANTY, OR USE OF ITS PRODUCTS. 5.4 LIMITATION OF LIABILITY. TO THE FULL EXTENT ALLOWED BY LAW, U.S.
Professional Access Point Administrator Guide Glossary 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 802 IEEE 802 (IEEE Std. 802-2001) is a family of standards for peer-to-peer communication over a LAN. These technologies use a shared-medium, with information broadcast for all stations to receive. The basic communications capabilities provided are packet-based.
Professional Access Point Administrator Guide 802.11b IEEE 802.11b (IEEE Std. 802.11b-1999) is an enhancement of the initial 802.11 PHY to include 5.5 Mbps and 11 Mbps data rates. It uses direct sequence spread spectrum (DSSS) or frequency hopping spread spectrum (FHSS) in the 2.4 GHz ISM band as well as complementary code keying (CCK) to provide the higher data rates. It supports data rates ranging from 1 to 11 Mbps. 802.11d IEEE 802.11d defines standard rules for the operation of IEEE 802.
Professional Access Point Administrator Guide 802.11k IEEE 802.11k is a developing IEEE standard for wireless networks (WLANs) that helps auto-manage network Channel selection, client Roaming, and Access Point utilization. 802.11k capable networks will automatically load balance network traffic across APs to improve network performance and prevent under or over-utilization of any one access point. 802.11k will eventually complement the 802.
Professional Access Point Administrator Guide Beacon Beacon frames announce the existence of the wireless local area network and enable stations to establish and maintain communications in an orderly fashion. A beacon frame carries the following information, some of which is optional: • The Timestamp is used by stations to update their local clock, enabling synchronization among all associated stations. • The Beacon interval defines the amount of time between transmitting beacon frames.
Professional Access Point Administrator Guide BSSID In Infrastructure Mode, the Basic Service Set Identifier (BSSID) is the 48-bit MAC address of the wireless interface of the Access Point. C CCMP Counter mode/CBC-MAC Protocol (CCMP) is an encryption method for 802.11i that uses AES. It employs a CCM mode of operation, combining the Cipher Block Chaining Counter mode (CBC-CTR) and the Cipher Block Chaining Message Authentication Code (CBC-MAC) for encryption and message integrity.
Professional Access Point Administrator Guide D DCF The Distribution Control Function is a component of the IEEE 802.11e Quality of Service (QoS) technology standard. The DCF coordinates channel access among multiple stations on a wireless network by controlling wait times for channel access. Wait times are determined by a random backoff timer which is configurable by defining minimum and maximum contention windows. See also EDCF.
Professional Access Point Administrator Guide E EAP The Extensible Authentication Protocol (EAP) is an authentication protocol that supports multiple methods, such as token cards, Kerberos, one-time passwords, certificates, public key authentication, and smart cards. Variations on EAP include EAP Cisco Wireless (LEAP), Protected EAP (PEAP), EAP-TLS, and EAP Tunnelled TLS (EAP-TTLS). EDCF Enhanced Distribution Control Function is an extension of DCF.
Professional Access Point Administrator Guide F Frame A Frame consists of a discrete portion of data along with descriptive meta-information packaged for transmission on a wireless network. Each frame includes a source and destination MAC address, a control field with protocol version, frame type, frame sequence number, frame body (with the actual information to be transmitted) and frame check sequence for error detection.
Professional Access Point Administrator Guide IBSS An independent basic service set (IBSS) is an Ad-hoc Mode Wireless Networking Framework in which stations communicate directly with each other. IEEE The Institute of Electrical and Electronic Engineers (IEEE) is an international standards body that develops and establishes industry standards for a broad range of technologies, including the 802 family of networking and wireless standards. (See 802, 802.1x, 802.11, 802.11a, 802.11b, 802.11e, 802.11f, 802.
Professional Access Point Administrator Guide There are a finite number of IP addresses that can exist. Therefore, a local area network typically uses one of the IANA-designated address ranges for use in private networks. These address ranges are: 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 A Dynamic IP Address is an IP address that is automatically assigned to a host by a DHCP server or similar mechanism.
Professional Access Point Administrator Guide LAN A Local Area Network (LAN) is a communications network covering a limited area, for example, the computers in your home that you want to network together or a couple of floors in a building. A LAN connects multiple computers and other network devices such as storage and printers. Ethernet is the most common technology implementing a LAN. Wireless Ethernet (802.11) is another very popular LAN technology (also see WLAN).
Professional Access Point Administrator Guide transmit. Any messages larger than the MTU are fragmented into smaller packets before being sent. Multicast A Multicast sends the same message to a select group of recipients. Sending an e-mail message to a mailing list is an example of multicasting. In wireless networks, multicast usually refers to an interaction in which the access point sends data traffic in the form of IEEE 802.1x Frames to a specified set of client stations (MAC addresses) on the network.
Professional Access Point Administrator Guide ponents of the physical layer. • Layer 2, the Data-Link layer, defines how data for transmission will be structured and formatted, along with low-level protocols for communication and addressing. For example, protocols such as CSMA/CA and components like MAC addresses, and Frames are all defined and dealt with as a part of the Data-Link layer. • Layer 3, the Network layer, defines the how to determine the best path for information traversing the network.
Professional Access Point Administrator Guide the fork() system call. It can be used by wait() or kill() to perform actions on the given process. Port Forwarding Port Forwarding creates a ‘tunnel’ through a firewall, allowing users on the Internet access to a service running on one of the computers on your LAN, for example, a Web server, an FTP or SSH server, or other services. From the outside user’s point of view, it looks like the service is running on the firewall.
Professional Access Point Administrator Guide group. A subset of 802.11e features is described in the WMM specification. R RADIUS The Remote Authentication Dial-In User Service (RADIUS) provides an authentication and accounting system. It is a popular authentication mechanism for many ISPs. RC4 A symmetric stream cipher provided by RSA Security. It is a variable key-size stream cipher with byteoriented operations. It allows keys up to 2048 bits in length. Roaming In IEEE 802.
Professional Access Point Administrator Guide RTS Threshold The RTS threshold specifies the packet size of a request to send (RTS) transmission. This helps control traffic flow through the access point, and is especially useful for performance tuning on an access point with a many clients. S Shared Key A shared key is used in conventional encryption where one key is used both for encryption and decryption. It is also called secret-key or symmetric-key encryption. Also see Public Key.
Professional Access Point Administrator Guide The subnet mask allows a router to quickly determine if an IP address is local or needs to be forwarded by performing a bitwise AND operation on the mask and the IP address. For example, if an IP address is 192.168.2.128 and the netmask is 255.255.255.0, the resulting Network address is 192.168.2.0. The bitwise AND operator compares two bits and assigns 1 to the result only if both bits are 1.
Professional Access Point Administrator Guide U UDP The User Datagram Protocol (UDP) is a transport layer protocol providing simple but unreliable datagram services. It adds port address information and a checksum to an IP packet. UDP neither guarantees delivery nor does it require a connection. It is lightweight and efficient. All error processing and retransmission must be performed by the application program. Unicast A Unicast sends a message to a single, specified receiver.
Professional Access Point Administrator Guide W WAN A Wide Area Network (WAN) is a communications network that spans a relatively large geographical area, extending over distances greater than one kilometer. A WAN is often connected through public networks, such as the telephone system. It can also be connected through leased lines or satellites. The Internet is essentially a very large WAN. WDS A Wireless Distribution System (WDS) allows the creation of a completely wireless infrastructure.
Professional Access Point Administrator Guide WMM Wireless Multimedia (WMM) is a IEEE technology standard designed to improve the quality of audio, video and multimedia applications on a wireless network. Both access points and wireless clients (laptops, consumer electronics products) can be WMM-enabled. WMM features are based on is a subset of the WLAN IEEE 802.11e draft specification.
Professional Access Point Administrator Guide Index A broadcast SSID access point clustering 34 configuration policy 29 ethernet (wired) settings 79 factory default configuration 178 guest network 111 load balancing 129 MAC filtering 125 QoS 133 radio 119 running configuration 178 security 91 SNMP 155 standalone 37 startup configuration 178 time protocol 151 user management 43 WDS bridging 143 wireless settings 87 administrator platform 8 administrator password on Basic Settings 28 associated wireless
Professional Access Point Administrator Guide basic settings 179 bss 216 cluster 183 factory-reset 233 get 171 guest access 195 load balancing 224 MAC filtering 222 quality of service 224 radio settings 217 reboot 233 remove 171 save-running 178 security 200 set 171 status and monitoring 186 time protocol 232 user accounts 183 WDS 231 wired interface 194 wireless interface 200 commands and syntax quick view 171 configuration files 178 configuration policy setting 29 connecting to AP E encryption in diff
Professional Access Point Administrator Guide help, getting 174 M MAC filtering configuring 126 I icons MAC filtering configuration 222 multi-BSSIDs configuration 216 on Web User Interface 31 IEEE standards support 2 IEEE 802.11b configuring 120 IEEE 802.11g configuring 120 IEEE 802.1x radio mode configuring 120 IEEE 802.
Professional Access Point Administrator Guide power connections 14 progress bar for cluster auto-synch 38 Q quality of service 133 quality of service configuration 224 queueus configuring for QoS 137 configuring on the access point 97 features overview 2 IEEE 802.
Professional Access Point Administrator Guide transmit/receive information 72 troubleshooting startup problems 23 mode configuring 107 when to use 95 WPA/WPA2 Personal (PSK) security mode configuring 105 when to use 94 U upgrading the firmware 160 user account commands 183 user accounts backing up and restoring 46 for built-in authentication server 43 V virtual wireless networks configuration 216 VLANs for internal and guest interface 112 Voice over IP improved service with QoS 133 W wait time for cl
Professional Access Point Administrator Guide Index–312
