Dell Force10 Z9000 - Page 475

Link Aggregation Control Protocol (LACP) | 475
In Figure 22-6, LAGs 1 and 2 have been placed into to the same failover group.
Figure 22-6. Configuring Shared LAG State Tracking
View the failover group configuration using the show running-configuration po-failover-group
command, as shown in Figure 22-7.
Figure 22-7. Viewing Shared LAG State Tracking in the Running-configuration
In Figure 22-8, LAGs 1 and 2 are members of a failover group. LAG 1 fails and LAG 2 is brought down
upon the failure. This effect is logged by Message 1, in which a console message declares both LAGs
down at the same time.
Figure 22-8. Shared LAG State Tracking
View the status of a failover group member using the command show interface port-channel, as shown in
Figure 22-9.
Message 1 Shared LAG State Tracking Console Message
2d1h45m: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Po 1
2d1h45m: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Po 2
R2#config
R2(conf)#port-channel failover-group
R2(conf-po-failover-grp)#group 1 port-channel 1 port-channel 2
R2#show running-config po-failover-group
!
port-channel failover-group
group 1 port-channel 1 port-channel 2
Po 1
Po 2
fnC0049mp
R1
R2 R3
R4
R2(conf)# port-channel failover-group
R2(conf-po-failover-grp)# group 1 port-channel 1 port-channel 2