We have an XGS 3100 which approx. every 1-2 weeks becomes unresponsive and requires a hard restart as it completely stops functioning. We have a smart plug connected now, which automatically powers it off and on again if the network goes down to mitigate the issue.
How can I find the cause of the issue? We've had a replacement device from Sophos but with the same config the issue persists.
Our network is on 255.255.254.0
We have configured IPSEC and SSL VPNs
We use a Horizon VOIP system which required us to increase the UDP NAT timeout to 600s, and disable SIP.ALG
We have a web/ftp server in the DMZ
All I can think to do is to reconfigure it myself from scratch on a weekend, as I don't know what other admins may have previously done with it. But I'd really prefer not to.
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