Does Aruba support GRE tunnel between master and local controllers ?

Aruba Employee
Aruba Employee

Environment- This article applies to all the versions of Aruba OS and controllers


Aruba does support GRE tunnel between master and local controllers.
However the GRE tunnels between master and local should use their "switch-IPs" as tunnel endpoints.
When the GRE tunnel endpoint is configured with the VRRP IP and not the switch ip of the master, the heartbeat replies on local pick up the route-cache entry for ike trigger. This results in heartbeats getting dropped and the tunnel may not come up properly.

"show datapath route-cache table" (this is the l2/l3 mapping table in the forwarding plane, since the local controller will prefer to choose the physical ip rather than the virtual ip.
Internal Note-Per Bug# 78949, 103233
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‎04-06-2015 04:03 AM
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