Hi
I hope someone is able to help.
I am having connectivity issues with TFTP server/client over a GRE tunnel
I have two pfsense firewalls with a GRE tunnel connecting the two.
I can communicate across the tunnel no problem (SSH, https, ICMP etc) but I can't get a file from TFTP server across the tunnel.
I have experienced this in a real world scenario and have set up a vmware test lab and have re-created the problem.
If I set up an ipsec tunnel TFTP works but this can't handle multicast so no good for me.
I have disabled firewalls on client/server to no avail.
In the test scenario i have solarwinds TFTP server running. I can connect to it and pull files from a VM on the local subnet but if I connect the same VM to the subnet other side of the GRE tunnel it fails.
When it fails the TFTP server reports Dropped because peer didn't respond (see...