Dear Community.
We had a working setup between two XG, running on 18.0.5 MR-5-Build 586, that both have a public IPv4. Between we had a working IPSec Tunnel and I could easyly access resources on the different network. It worked until this morning when XG would not pass traffic through the tunnel.
The setup looks like this:
Internal net (branch1) <--> XG1 | WAN <---- Tunnel -----> WAN | XG2 --> Internal net (branch2)
and the tunnel looks like this
XG1 = 10.10.82.1 (xfrm7) <----> 10.10.82.2 (xfrm7) = XG2
There are firewall and static routing rules in place and it did worked until today.
What I currently can do:
Ping from branch 1 to tunnel IP of XG1 but not to tunnel IP of XG2
Ping from branch 2 to tunnel IP of XG2 but not to tunnel IP of XG1
I monitored dropped packages from cli while pinging the other side but there are no dropped packages. I turned off the IPSec tunnel and later on rebooted the XG but without any change. I also tried to reboot XG with old firmware 18.0.4 MR-4 just to make sure, I have no FW problem. Nothing changed. I did not see any errors in the log viewer for Firewall or System facility.
Currently I am lost. Does anyone have a suggestion?
Regards,
Christian
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