Hello.
Just now I'm trying to understand existing configuration of some datacenter.
The pair of N7K are configured with VPC and the port channel for non VPC Vlans.
A lot of IBM X-series servers. Some of them are connected to N7K with VPC but some of them not.
VPC peer link (Po11) carries only VPC Vlans, while inter-N7K port channel (Po16) carries non VPC vlans.
Some Vlan, e.g. Vlan 4 should be passed not only to the server S1 through VPC, but to the server S2. S2 is connected to non VPC ports on the N7K.
I tried to explain it on the figure.
Questions:
1) Should I add Vlan 4 to the Po16 (non VPC) in addition to the Po11 (VPC peer link)?
If yes. What interface Po11 (peer link) or Po15 (non VPC) should be configured to forward vlan4 traffic? This question is about STP configuration. I consider that only one port-channel can forward vlan4, while another one must be alternative blocked.
What abot more than one vlan with the same conditions?
2)Can I use Po11 (peer link) not only as a VPC peer-link but as inter N7K port channel? Forget about port-channel for non VPC vlans, just add vlans it to the VPC peer-link.
