On Mon, Apr 03, 2006 at 01:11:46AM +0200, Patrick McHardy wrote:
> Thomas Zeitlhofer wrote:
> > On Sun, Apr 02, 2006 at 09:19:30PM +0200, Patrick McHardy wrote:
> >
> >>>Doing the same on 2.6.15.x shows:
> >>>
> >>> 1) on tap1: fragmented packets
> >>> 2) on br0: the defragmented packet (connection tracking)
> >>> 3) on eth1: fragmented packets
> >>
> >>Are you sure this is correct? I think in 2.6.15 you should see
> >>the fragments on br0 already.
> >
> >
> > Just verified it, at least in 2.6.15.6 tcpdump shows the defragmented
> > packet on br0.
>
> I'm probably missing something, but that still seems stange.
> Are you also seeing the defragmented packet on br0 with my
> patch?
Yes, here is the tcpdump output on all interfaces:
1) on tap1
23:22:51.830046 IP (tos 0x0, ttl 64, id 21174, offset 0, flags [+], proto: UDP (17), length: 1500) 192.168.10.1.500 > 192.168.20.1.500: isakmp 1.0 msgid : phase 1 I ident[E]: [encrypted id] (len mismatch: isakmp 2572/ip 1472)
23:22:51.830084 IP (tos 0x0, ttl 64, id 21174, offset 1480, flags [none], proto: UDP (17), length: 1120) 192.168.10.1 > 192.168.20.1: udp
2) on br0
23:22:51.830084 IP (tos 0x0, ttl 64, id 21174, offset 0, flags [none], proto: UDP (17), length: 2600) 192.168.10.1.500 > 192.168.20.1.500: isakmp 1.0 msgid : phase 1 I ident[E]: [encrypted id]
3) on eth1
23:22:51.830120 IP (tos 0x0, ttl 64, id 21174, offset 0, flags [+], proto: UDP (17), length: 1500) 192.168.10.1.500 > 192.168.20.1.500: isakmp 1.0 msgid : phase 1 I ident[E]: [encrypted id] (len mismatch: isakmp 2572/ip 1472)
23:22:51.830133 IP (tos 0x0, ttl 64, id 21174, offset 1480, flags [none], proto: UDP (17), length: 1120) 192.168.10.1 > 192.168.20.1: udp
--
Thomas
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