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etherchannel

Stubby Post - Cabling and EtherChannel

I’ve done it. You’ve done it. We’ve all done it. You turn up another EtherChannel bundle and realize the hard way that your interface descriptions aren’t accurate. Or you’ve swapped out a piece-of-crap 3750 and didn’t notice that the labels on the cables were

Stubby Post - Path Cost of EtherChannels

I was doing some STP labs tonight and found something that caught me off guard a bit. I had been meddling with some EtherChannels between a pair of 3750s earlier today, and I forgot to reset the configs before starting on the STP stuff. One my secondary root switch, I

BCMSN Notes - EtherChannel Distribution

EtherChannel lets you aggregate links into one logical connection, but the distribution of traffic is not uniform. It does not use per-packet load-balancing or the like to determine what interface in the bundle to use. Instead, it uses a XOR function on packet information to generate a hash that is

Server NIC Aggregation to a Cisco Switch

Have you even noticed that your new servers all have 2 NICs on the board? At least all of them that I’ve seen in the last 3 years have. A lot of server admin actually use them in a NIC teaming scenario where both NICs are used as one