Yes, just pick two IPs. I believe for port-based tunnel (=tunneled node), the switch will just pick the primary controller and fallback to the backup if there is an issue. With User Based Tunneling, the switch will follow the clustering for user traffic and distribute users over all controllers in the cluster.
Check this video to see a switch with PBT to a gateway cluster.
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Herman Robers
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If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check
https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.
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Original Message:
Sent: Jan 13, 2022 12:03 PM
From: Diego Arguello
Subject: How to configure tunneled node with a controller cluster?
Hello, I am upgrading my system and will now be using mobility controllers setup in a L3 cluster. My Aruba switches previously had tunneled node configured with a primary and backup controller. How should I configure tunneled node now? Should I just use any cluster controller IP as primary controller IP
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