Archive for March, 2009

Cisco EtherChannel

March 31, 2009 3 comments

After much work I’ve gotten a good handle on EtherChannel. The network I’m working on will be the core of a highly available system. It consists of 2 Cisco 3750G-24 multi-layer switches in a stacked configuration and 4 Cisco 2960G-48 switches. I want to configure the system in such a way that any single device failure will not cause a complete outage. To do this I’ve set up EtherChannel links between the edge switches and the 3750 switch stack. This is what Cisco calls a “Cross-Stack EtherChannel”. Read more…

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