My customer has 2 N5ks and 4 2148s. The N5ks have VPC between them, and the 2148s are single-homed, 2 to each N5K. Am I corect in saying that an ESX box with a 4GB host etherchannel would have one connection to each 2148, and that the ports would be configured in a chennel-group on each N5K, and in a VPC instance between the 5Ks?
Thank you for your response. I am familiar with the doc you ponted me to. My question was, since the doc only shows a single connection to each of the N5Ks, I wanted to be sure that if I had 4 server connections in a channel, that I could home one connection to each of 4 2148s, then home 2 of the 2148s to each N5K, and define a channel group on each N5K with 2 members in the group, then put the port channel in a vpc to get 4GB total. I know the 2148s can only have a single connection each, but I was hoping the N5Ks could aggregate them. The config would look like this:
int eth 100/1/1 First 2148
int eth 101/1 Second 2148
int port-channel 10 N5K VPC to peer with identical config
I think as long as there is only 1 link per 2148, I'm OK, but I want to be sure, due to the rather sevre limitations imposed by the 2148s.
Thanks again. I believe I understand your answer - I'll need to get with the custimer. Am I right then in saying that the ESX vswitch could be configured to support 2 2GB channels,instead of a single 4GB channel, each channel with a single connection to a 2148? That is in accordance with the diagrams. The 2148s would see the 2 ESX channels as separate hosts. Can you confirm this?
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