Users Guide

Table Of Contents
Sample configuration
This sample topology is based on two routersAlpha and Bravo.
Alpha LAG configuration summary
OS10(config)# interface port-channel 1
OS10(conf-if-po-1)# exit
OS10(config)# interface ethernet 1/1/29
OS10(conf-if-eth1/1/29)# no switchport
OS10(conf-if-eth1/1/29)# channel-group 1 mode active
OS10(conf-if-eth1/1/29)# interface ethernet 1/1/30
OS10(conf-if-eth1/1/30)# no switchport
OS10(conf-if-eth1/1/30)# channel-group 1 mode active
OS10(conf-if-eth1/1/30)# interface ethernet 1/1/31
OS10(conf-if-eth1/1/31)# no switchport
OS10(conf-if-eth1/1/31)# channel-group 1 mode active
Bravo LAG configuration summary
OS10(config)# interface port-channel 1
OS10(conf-if-po-1)# exit
OS10(config)# interface ethernet 1/1/29
OS10(conf-if-eth1/1/29)# no switchport
OS10(conf-if-eth1/1/29)# channel-group 1 mode active
OS10(conf-if-eth1/1/29)# interface ethernet 1/1/30
OS10(conf-if-eth1/1/30)# no switchport
OS10(conf-if-eth1/1/30)# channel-group 1 mode active
OS10(conf-if-eth1/1/30)# interface ethernet 1/1/31
OS10(conf-if-eth1/1/31)# no switchport
OS10(conf-if-eth1/1/31)# channel-group 1 mode active
Alpha verify LAG port configuration
OS10# show lacp port-channel
Port-channel 41 admin up, oper up, mode lacp
Actor System ID: Priority 32768, Address e4:f0:04:fe:9f:e1
Partner System ID: Priority 4096, Address de:11:de:11:de:11
Actor Admin Key 41, Oper Key 41, Partner Oper Key 41
Fallback: Not configured, Fallback port preemption: Configured, Fallback timeout: 15
seconds
Fallback Port Elected:
LACP LAG ID 41 is an aggregatable link
A - Active LACP, B - Passive LACP, C - Short Timeout, D - Long Timeout
E - Aggregatable Link, F - Individual Link, G - IN_SYNC, H - OUT_OF_SYNC,
I - Collection enabled, J - Collection disabled, K - Distribution enabled,
L - Distribution disabled, M - Partner Defaulted, N - Partner Non-defaulted,
O - Receiver is in expired state, P - Receiver is not in expired state
Port ethernet1/1/29 is Enabled, LACP is enabled and mode is lacp
Actor Admin: State BCFHJKNO Key 1 Priority 32768
Oper: State BDEGIKNO Key 1 Priority 32768
Partner Admin: State BCEGIKNP Key 0 Priority 0
Oper: State BDEGIKNO Key 1 Priority 32768
Port ethernet1/1/30 is Enabled, LACP is enabled and mode is lacp
Actor Admin: State BCFHJKNO Key 1 Priority 32768
Layer 2
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