Users Guide

Viewing the FRRP Configuration
To view the configuration for the FRRP group, use the following command.
● Show the configuration for this FRRP group.
CONFIG-FRRP mode.
show configuration
Viewing the FRRP Information
To view general FRRP information, use one of the following commands.
● Show the information for the identified FRRP group.
EXEC or EXEC PRIVELEGED mode.
show frrp ring-id
Ring ID: the range is from 1 to 255.
● Show the state of all FRRP groups.
EXEC or EXEC PRIVELEGED mode.
show frrp summary
Ring ID: the range is from 1 to 255.
Troubleshooting FRRP
To troubleshoot FRRP, use the following information.
Configuration Checks
● Each Control Ring must use a unique VLAN ID.
● Only two interfaces on a switch can be Members of the same control VLAN.
● There can be only one Master node for any FRRP group.
● You can configure FRRP on Layer 2 interfaces only.
● Spanning Tree (if you enable it globally) must be disabled on both Primary and Secondary interfaces when you enable FRRP.
○ When the interface ceases to be a part of any FRRP process, if you enable Spanning Tree globally, also enable it explicitly
for the interface.
● The maximum number of rings allowed on a chassis is 255.
Sample Configuration and Topology
The following example shows a basic FRRP topology.
Example of R1 MASTER
interface twentyFiveGigE 1/24
no ip address
switchport
no shutdown
!
interface twentyFiveGigE 1/31
no ip address
switchport
no shutdown
!
interface Vlan 101
no ip address
tagged twentyFiveGigE 1/24,1/31
Force10 Resilient Ring Protocol (FRRP)
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