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Forum Discussion
LM1200 repeatedly dropping link
I recently purchased an LM1200-100NAS to serve as an LTE failover connection for my homelab and noticed a strange issue while setting up my pfSense-based router to use the LM1200 as a secondary WAN c...
In regards to what the hAP ac2 is setting the TTL to, I don't know what I was thinking in my previous reply.
Before adding 1 to the TTL the TTL is 63, after of course it is 64.
Setting the TTL to 64 on egress to the LM1200 also mitigates the issue when using Verizon LTE.
I did a quick test on this yesterday by setting net.inet.ip.stealth=1 and net.inet6.ip6.stealth=1 which forces pfSense to not decrement the TTL/Hop limit by one for traffic that transits the firewall, and observed that during the test the TTL/hop limit for all outbound traffic was never less than 64.However, this doesn't seem to have improved the connection reliability or prevented the link from dropping on failover. At least in my case, I observed the same behavior as before in that as soon as pfSense failed over to using the LM1200 for anything other than ICMP, the link dropped after a few seconds.
