Re: ICMP need to frag
From: Jeremie Le Hen (jeremie_at_le-hen.org)
Date: 05/23/05
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- In reply to: dave baukus: "Re: ICMP need to frag"
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Date: Mon, 23 May 2005 20:22:34 +0200 To: dave baukus <dbaukus@chiaro.com>
Hi Dave,
> > - Why does Path MTU Discovery doesn't work here ? I'm pretty
> > sure that the ICMP Need-To-Frag packets are not filtered since
> > I am able to see them outgoing from the Ethernet network card
> > on the RELENG_4 router.
> >
>
> Does SSH use IPSEC AH ?
> Just guessing here, but maybe the problems is (from icmp_input()):
>
> /*
> * XXX if the packet contains [IPv4 AH TCP], we can't make a
> * notification to TCP layer.
> */
> ctlfunc = inetsw[ip_protox[icp->icmp_ip.ip_p]].pr_ctlinput;
> if (ctlfunc)
> (*ctlfunc)(code, (struct sockaddr *)&icmpsrc,
> (void *)&icp->icmp_ip);
What do you mean in "does SSH use IPSec AH ?" ? I've never heard of
such a thing. I think the code you pasted refers to IPSec transport
mode, but I'm afraid that it's not related to my problem of Path MTU
Discovery not working.
Regards,
-- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
- Previous message: Brooks Davis: "Re: vfs.nfs.diskless_valid"
- In reply to: dave baukus: "Re: ICMP need to frag"
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