The MTU for CAPWAP traffic between the access points and the controller is hard set by the controller to 1500*. I opened a ticket with the wireless vendor and (very quickly) received an answer. I set up a packet debug on both sites’ firewalls and saw traffic going back and forth between the access points and the controller, and both access points appeared on the controller status window, alternating between “Provisioning” and “Disconnected”. Both access points were reachable via ping and ssh. ![]() Both AP’s repeatedly disconnected due to a “heartbeats lost” error.Ĭonnectivity between the main office and the remote sites appeared fine. After a recent firmware update to the wireless controller both access points got stuck in a provisioning loop and appeared to have difficulty communicating with the controller. ![]() I recently deployed a couple of wireless access points to two sites that connect to our main office over IPSEC VPN.
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