Stephen Clark wrote:
if the pc sends a packet of 1460 bytes with the DF bit set shouldn't the
freebsd 4.9 system
send back an icmp dest unreachable - fragmentation needed and DF bit
set?
Are you blocking icmp with a firewall filter?
Good question - but the answer is no. The other interesting fact is
when I drop the mtu on
the gre to 1412 I do see the icmp messages.
Are you using any dummynet shapes? There is ancient bug in dummynet,
which leads to not sending of ICMPs when shape used on outgoing interface.
--
Alexander Motin [EMAIL PROTECTED]
Optima Telecom
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