Joe Lagreca wrote:
> So everything was working fine for a while, then all of the sudden, I
> started having the same problems last night. Pings over 1408 would get
> dropped or not make it through. This morning, it seems to be working
> again. Very strange.
> However, my VPN between two m0n0walls works fine with any size packets.
> problem seems to be with my m0n0wall to sonicwall VPN. Even over that alot
> of stuff will work, its just certain MS stuff that has problems with
> oversized UDP packets.
> Anyone else run into this before or have any ideas?
Check to see if the ICMP needfrag error messages are being blocked,
which would break path MTU discovery.