ICMP need to frag
From: Jeremie Le Hen (jeremie_at_le-hen.org)
Date: 05/22/05
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Date: Sun, 22 May 2005 22:17:49 +0200 To: freebsd-net@FreeBSD.org
I try to connect to my RELENG_5 box through an IPsec tunnel whose MTU
is 1260.
CURRENT -------- [[ RELENG_5 ------- RELENG_4 ]] -------- RELENG_5
(client) Ethernet IPSec Ethernet (server)
(1500) (1260) (1500)
The attached tcpdump trace comes from the Ethernet side of the RELENG_4
router. I simply don't understand why the RELENG_5 ssh server doesn't
take care of the ICMP need to frag packet.
FYI, this trace is a screen reattachement through ssh which hangs during
the screen refresh. After about ten seconds, I broke the ssh session
with ~. .
Advices are welcome :-).
Thanks.
Regards,
-- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >
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