Users Guide

Configure SNMP........................................................................................................................................................169
SNMP commands.......................................................................................................................................................173
Example: Configure SNMP...................................................................................................................................... 183
System clock.....................................................................................................................................................................183
Time zones and UTC offset reference................................................................................................................. 184
System Clock commands........................................................................................................................................200
Network Time Protocol................................................................................................................................................. 202
Enable NTP.................................................................................................................................................................203
Broadcasts..................................................................................................................................................................204
Source IP address..................................................................................................................................................... 204
Authentication........................................................................................................................................................... 205
Sample NTP configuration......................................................................................................................................206
NTP commands......................................................................................................................................................... 208
Precision Time Protocol................................................................................................................................................. 213
Supported platforms................................................................................................................................................. 217
PTP installation scale and limits..............................................................................................................................217
Configuration notes................................................................................................................................................... 217
Hybrid clocking........................................................................................................................................................... 218
Configure Precision Time Protocol........................................................................................................................218
View PTP information............................................................................................................................................... 221
Example: Configure boundary clock with L2 transport method.................................................................... 223
Example: Configure boundary clock with IPv4 multicast transport method.............................................. 224
Example: Configure boundary clock with IPv4 unicast transport method..................................................225
Example: Configure end-to-end transparent clock...........................................................................................226
Example: Configure boundary clock with IPv4 unicast transport method and L3 VLAN........................ 227
Example: Configure PTP in a multinode setup...................................................................................................228
PTP commands..........................................................................................................................................................237
Synchronous Ethernet (SyncE)...................................................................................................................................253
Supported platforms................................................................................................................................................ 253
Clock source selection ............................................................................................................................................253
Manage clock selection........................................................................................................................................... 254
Standby clock source states.................................................................................................................................. 255
Restrictions and limitations.................................................................................................................................... 255
Sample configurations............................................................................................................................................. 255
SyncE commands......................................................................................................................................................265
Dynamic Host Configuration Protocol....................................................................................................................... 275
Packet format and options..................................................................................................................................... 276
DHCP server...............................................................................................................................................................277
Automatic address allocation..................................................................................................................................278
Hostname resolution.................................................................................................................................................279
Manual binding entries.............................................................................................................................................280
View DHCP Information........................................................................................................................................... 281
DHCP relay agent...................................................................................................................................................... 281
Enable or disable DHCP Option-82.......................................................................................................................283
DHCP relay agent options.......................................................................................................................................284
DHCP snooping..........................................................................................................................................................298
System domain name and list..................................................................................................................................314
DHCP commands.......................................................................................................................................................315
DNS commands......................................................................................................................................................... 345
Containers.........................................................................................................................................................................347
Contents
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