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Forum Discussion
Half of Pings Drop over IPSec Tunnel
Hi there! Pull hairs over here, I have a IPSec Tunnel between two pFsense Firewalls. Pings to both Gateways without issue, pings to PCs on Remote LAN succeed without issue. When pinging the Ready...
Hi simple1689,
Does your ReadyNAS get updates? Or at least connected to the internet properly? See if adding DNS 8.8.8.8 and Router Gateway will do wonders.
Also, try this command and let us know what happens.
ping NASIP -f -l 1472
Kind regards.
BrianL
NETGEAR Community Team
I don't see how DNS is the culprit for ping failures using the IP address.
It would be useful to know the MTU of the path, since that often can be a problem with ipsec tunnels. If there will be a lot of traffic from the NAS, you might set up the NAS to use that MTU.
But this sounds like something different - the ping packets are small, etc. Can you mirror the LAN port that the NAS is using, and capture a wireshark trace? That seems the most path.
The NAS is either
-not responding to the ping
-not receiving the ping
-responding normally, but the reply is not delivered by the network.
The first is least likely, but we should still rule it out.
You can also ssh into the NAS, and try pinging the remote PC. If the problem shows up there, you can run the wireshark trace on the PC.
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