CLI Reference Guide

Chapter 12 | Link Aggregation Commands
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◆ An MLAG is formed when the peer MLAG members are both active.
◆ The following items apply when an MLAG is formed.
■
When an MLAG member is operationally up and the MLAG peer member is
not operationally down, all traffic from the peer link can not be forwarded
to the MLAG member.
■
When an MLAG member is operationally up and the MLAG peer member is
operationally down, all traffic from the peer link can be forwarded to the
MLAG member.
■
When an MLAG member is operationally up, all updates for learned MAC
addresses on the MLAG peer member will be synced to the MLAG member
automatically.
■
When an MLAG member is operationally down, all updates for learned MAC
addresses on the MLAG peer member will be synced through the peer link
automatically.
◆ When the MLAG peer member is down or nonexistent, learned MAC addresses
are synced through the peer link for the MLAG will be removed automatically.
Example
Console(config)#mlag group 1 domain 1 member ethernet 1/1
Console(config)#
show mlag This command shows MLAG configuration settings.
Command Mode
Privileged Exec
Example
Console#show mlag
Global Status : Enabled
Domain List : 1,2
MLAG List : 10,20,30-35,50
Console#
show mlag group The command shows MLAG group settings.
Command Mode
Privileged Exec