I have a 4x1G ether channel between 2 6513's - I am running into issues with VLANs not passing. 6513A is the VTP server, and 6513B is in transparent mode. I happen to notice on 6513B the port-channel and its member phys interfaces are not set to trunk - i am assuming this could be part of the issue. This is a hospital and not an easy place to have downtime... anyone have advice/ideas on how to get the trunk setup with no downtime for devices/networks on 6513B ?
6513 A - all ports are in ether channel and set to trunk (CatOS - sup 2s, i know, i know)
You may be out of luck. I believe you're going to have to shut the port-channel down, make each interface in the channel-group a trunked port, and then bring the port-channel back up. I don't have a way of testing this at the moment, but I believe once you try to change one of the members of the channel, the channel will go down.
I set up gns to do this real quick. It was as I suspected that the channel will go down, so you'll want downtime scheduled:
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