Date: Fri, 12 Oct 2012 19:57:10 -0700 From: Doug Hardie <bc979@lafn.org> To: stable@freebsd.org Subject: IPv6 Link Local Addresses Message-ID: <87FBCA07-4425-4113-8D81-1A49B5178FA4@lafn.org>
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With FreeBSD 9.1-RC2 you can assign the same link local address manually = to two different hosts on the same network. The Neighbor Solicitations = are not responded to and you end up with non-working addresses. The = simple way to reproduce this is to boot two systems on the same network = and get the link local for system 1. Shut it off and manually assign = that address to system 2. Then boot system 1. System 1 will send the = Neighbor Solicitation but system 2 will not respond to show that address = is in use so system 1 uses the duplicate address. Even more interesting, I have another system, 9.1-RC2, that when it = comes up never sends the Neighbor Solication. It just starts using the = link local address. I can't find any significant differences between = those two systems other that the first was a direct install from the CD = and the second was a freebsd-update from 9.1-RC1. Should I send a PR or is this a known issue?=
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