neighbor discovery problem

Mathieu Arnold mat at
Tue Aug 12 11:18:04 UTC 2008

+-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.

Mathieu Arnold
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