Eric Masson: >>>>>> "Michael" == Michael Sierchio <[EMAIL PROTECTED]> writes: > > Michael> You should allow for an IP header with options and the ESP > Michael> header, which is smaller than 1450. For SKIP I use 1366 as the > Michael> advertised MTU, and for IPsec usually 1436, unless I need to > Michael> accomodate ESP and AH, in which case it's smaller. > >Ok, that's fine. > > Michael> It's a known feature of any sort of IP encapsulation. > >I understand. > >I'm no kernel hacker at all, I was just thinking about the ability for >the tunnel endpoint to send back an icmp packet type 3 code 4 when the >packet is too long to be encapsulated.
Actually this is the case. Or better, it *should* be happening - I don't know if you see the ICMPs or not. Note that this must be done on the local tunnel endpoint, not the remote one. Helge _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
