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Grouping ICR Subscribers Based on S-VLAN IDs
You can group ICR subscribers based on S-VLAN IDs. When you configure an S-VLAN
list or S-VLAN range or an S-VLAN and VLAN subinterface pair, you can include any
or all of the following keywords:
To group ICR subscribers based on S-VLAN IDs:
1.
2.
3.
ICR Overview on page 127
ip vrrp icr-partition
Monitoring the Configuration of ICR Partitions on page 143
Use the control-interface keyword to control the state of the corresponding
subinterfaces (up/AdminDown) based on the state of the partition (master or
backup). If the subinterfaces are part of the backup partition, the router changes
the state of all the subinterfaces to AdminDown.
Use the use-default-mac keyword to enable the subinterfaces to use the default
MAC address instead of the VRRP MAC address. By default, subinterfaces use
the virtual MAC address of the associated VRRP instance.
Use the advertise-mac keyword to enable the subinterfaces to transmit gratuitous
ARP (GARP) advertisements when the ICR partition moves from the backup state
to the master state.
Specify svlan as the grouping type.
host1(config-if)#ip vrrp 1 icr-partition group svlan
The default grouping option is S-VLAN. If you do not explicitly specify the grouping
option, the subscribers are grouped based on S-VLAN.
Add S-VLAN subinterfaces to the ICR partition by doing either of the following:
Specify the S-VLAN IDs individually by using the svlan-list keyword. In the
following example, you add individual S-VLAN subinterfaces by specifying
each S-VLAN ID.
host1(config-if)#ip vrrp 1 icr-partition svlan-list 100 102 105 108 114 125
control-interface use-default-mac advertise-mac
Specify the starting ID and ending ID of the range of S-VLAN subinterfaces.
In the following example, you specify the first and the last ID of the range
because the IDs are in sequential order.
host1(config-if)#ip vrrp 1 icr-partition svlan-range 100 110 control-interface
use-default-mac advertise-mac
(Optional) Add an S-VLAN and VLAN subinterface pair to the ICR partition.
Chapter 6: Managing Interchassis Redundancy
Grouping ICR Subscribers Based on S-VLAN IDs
137
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