Test the configuration commands presented in this module on a simple topology that includes two directly connected switches (at least two links between them). Connect them via Fa1/1 and Fa2/2 (Fa1/1 to Fa1/1 and Fa2/2 to Fa2/2):
- Configure PagP on the two links in mode auto-desirable
- Configure the EtherChannel link as a trunk and allow a couple of VLANs through it
- Issue a show etherchannel summary command and verify that the port channel is up
- Issue a show mac-address-table command and see the learned MAC addresses on each switch
- Issue a show papg neighbor command and verify the results
- Repeat the steps above using LACP mode passive-active
- Verify the configuration using the show EtherChannel detail and show lacp neighbor commands
- Verify the configuration using the show interface port-channel [number] switchport command
- Issue some traffic (ping) across the port channel and verify the counters using the show lacp counters command
- Configure a different lacp system-priority output and verify it with the show lacp sys-id command
- Configure a different lacp port-priority output and verify it with the show lacp internal command
- Configure LACP load balancing using the port-channel load-balance command and verify this with the show etherchannel load-balance command
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