Important Points about Shared LAG State Tracking
The following is more information about shared LAG state tracking.
• This feature is available for static and dynamic LAGs.
• Only a LAG can be a member of a failover group.
• You can congure shared LAG state tracking on one side of a link or on both sides.
• If a LAG that is part of a failover group is deleted, the failover group is deleted.
• If a LAG moves to the Down state due to this feature, its members may still be in the Up state.
LACP Basic Conguration Example
The screenshots in this section are based on the following example topology. Two routers are named ALPHA and BRAVO, and their
hostname prompts reîš‚ect those names.
Figure 52. LACP Basic Conguration Example
Congure a LAG on ALPHA
The following example creates a LAG on ALPHA.
Example of Conguring a LAG
Alpha(conf)#interface port-channel 10
Alpha(conf-if-po-10)#no ip address
Alpha(conf-if-po-10)#switchport
Alpha(conf-if-po-10)#no shutdown
Alpha(conf-if-po-10)#show config
!
interface Port-channel 10
no ip address
switchport
no shutdown
!
Alpha(conf-if-po-10)#
Example of Viewing a LAG Port Conguration
The following example inspects a LAG port conguration on ALPHA.
Alpha#sh int GigabitEthernet 2/31
GigabitEthernet 2/31 is up, line protocol is up
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Link Aggregation Control Protocol (LACP)
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