Was having probs getting port channel up and running between a CatOS 6500 and 7220, until I found this archived thread:
Just wanted to confrim that Aruba doesnt natively support PagP (being a cisoc propriety protocol), and therfore the advice in the thread is correct. Being that I did confirm that "mode on" was the only setting that would work, this sort of answers the question!
I have ensured spanning tree has been disabled on the 7220 at both the interface and port channel levels.
Correct, PAgP is Cisco proprietary.
Mode ON creates a static port-channel. You may want to consider using LACP.
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