Let’s have a look at how we can use redundant layer-2 links between 2 Ciscodevices. Benefits of Using EtherChannel A layer-2 EtherChannel aggregates up to 8 links. This provides redundancy,because 1 of the links can fail or go down, and traffic will still flow over theother links. It also provides greater bandwidth, which is especially importantover a trunk link, such as in a Router-on-a-Stick (ROAS) configuration. Without an EtherChannel, the redundant links would still work and, in case o...
