User's Manual

Chapter 25 Bandwidth Management
ISG50 User’s Guide
406
25.2.1 The Bandwidth Management Add/Edit Screen
The Configuration > Bandwidth Management Add/Edit screen allows you to create a new
condition or edit an existing one. To access this screen, go to the Configuration > Bandwidth
To This is the destination zone of the traffic to which this policy applies.
Source This is the source address or address group for whom this policy applies. If any
displays, the policy is effective for every source.
Destination This is the destination address or address group for whom this policy applies. If
any displays, the policy is effective for every destination.
DSCP Marking This is how the ISG50 handles the DSCP value of the outgoing packets that match
this policy.
In - Inbound, the traffic the ISG50 sends to a connection’s initiator.
Out - Outbound, the traffic the ISG50 sends out from a connection’s initiator.
If this field displays a DSCP value, the ISG50 applies that DSCP value to the
route’s outgoing packets.
preserve means the ISG50 does not modify the DSCP value of the route’s
outgoing packets.
default means the ISG50 sets the DSCP value of the route’s outgoing packets to
0.
The “af” choices stand for Assured Forwarding. The number following the “af”
identifies one of four classes and one of three drop preferences. See Assured
Forwarding (AF) PHB for DiffServ on page 299 for more details.
BWM These fields show the amount of bandwidth the traffic can use.
In - This is how much inbound bandwidth, in kilobits per second, this policy
allows the matching traffic to use. Inbound refers to the traffic the ISG50 sends to
a connection’s initiator. If no displays here, this policy does not apply bandwidth
management for the inbound traffic.
Out - This is how much outgoing bandwidth, in kilobits per second, this policy
allows the matching traffic to use. Outbound refers to the traffic the ISG50 sends
out from a connection’s initiator. If no displays here, this policy does not apply
bandwidth management for the outbound traffic.
Pri - This is the priority for the traffic that matches this policy. The smaller the
number, the higher the priority. Traffic with a higher priority is given bandwidth
before traffic with a lower priority. The ISG50 ignores this number if the incoming
and outgoing limits are both set to 0. In this case the traffic is automatically
treated as being set to the lowest priority (7) regardless of this field’s
configuration.
Apply Click Apply to save your changes back to the ISG50.
Reset Click Reset to return the screen to its last-saved settings.
Table 133 Configuration > Bandwidth Management
LABEL DESCRIPTION