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 -- ssh hangs in initial handshaking when using IPv6 https://bugs.launchpad.net/bugs/281882 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
