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Help, i have a question about Vlans overlapping different vlan groups

leonrkmtz2
Level 1
Level 1

i have two vlan groups within our UCS LAN environment with each going to a different port channel. There is a need to add new vlans to one of the existing vlan groups , but one of those vlans already exists in the other vlan group (Intenal-Vlans). I have a one service profile with a vnic templates where I need to add the new vlan , but is only using the vlan group which does not have it yet. We have a separate service profile (Windows-Server-2019 which has already vlan  but is using vlan group Internal-Vlans and is serving network traffic fine going out a different port channel. My question is if add vlan  and it overlaps with the other vlan group, and then I add that vlan onto the vnic template will I drop all network traffic or will there be an issue with that vlan not understanding which pinned port channel it should go to? 

2 Replies 2

Wes Austin
Cisco Employee
Cisco Employee