neighbor discovery problem

Mathieu Arnold mat at
Tue Aug 12 11:35:08 UTC 2008

+-le 12.08.2008 13:17:27 +0200, Mathieu Arnold a dit :
| +-le 12.08.2008 01:34:03 -0700, Jeremy Chadwick a dit :
|| Important note: I know absolutely nothing about IPv6.
|| Do you have ACLs on any of these machines?  !A in traceroute commonly
|| means there's an ACL blocking said packets:
|| !A  (communication with destination network administratively prohibited)
|| A ping from the other host might cause a stateful firewall to begin
|| allowing said traffic to/from the machine which previously wasn't
|| working.
|| If you use a firewall on these machines (ipfw, pf, etc.), I'd recommend
|| posting your problem to the freebsd-pf list instead.
| Hum, no, I've verified it already, there is pf enabled on the gateway, which
| is also a firewall, but only on the external interface which does not come
| in play here.

There's a pass and not a skip, but all my block rules have log, and no
packets show up in pflog, which tends to make me believe that, well, it's not
a firewall problem.

Mathieu Arnold
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