[Bug 281882] Re: ssh hangs in initial handshaking when using IPv6

[Rhialto]

While the referenced email thread ( http://kerneltrap.org/mailarchive
/openbsd-misc/2007/4/24/148531 ) is quite interesting, it doesn't seem
to refer to IPv6 at all. I also don't use the pf packet filter
(firewall), but ipf, and not even between my internal hosts. So the
cited possible solution doesn't appear to be relevant at all.

I made a packet trace with wireshark on both ends, and it seems to indicate a TCP checksum error by the sender (Ubuntu). This is seen from both the Ubuntu side and the NetBSD side. I have attached a text version, where I have somewhat anonymised the Ethernet and IPv6 addresses.
So that would make it a kernel or an ethernet driver issue.

The Ubuntu machine is an Eee 901.

[   51.729198] ATL1e: eth0 NIC Link is Up<100 Mbps Full Duplex>


** Attachment added: "Packet trace as seen from the server side"
   http://launchpadlibrarian.net/23084820/packets.txt

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ssh hangs in initial handshaking when using IPv6
https://bugs.launchpad.net/bugs/281882
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