SLAAC not working

Greg Rivers gcr+freebsd-stable at tharned.org
Wed Aug 9 06:01:58 UTC 2017


On Monday, August 07, 2017 15:57:04 Andrey V. Elsukov wrote:
> So, set net.inet6.icmp6.nd6_debug=1 and show what you have in the
>  ndp -p
>  ndp -r
>  ndp -i lagg0
>
# sysctl net.inet6.icmp6.nd6_debug=1
net.inet6.icmp6.nd6_debug: 0 -> 1
# suspend
[1] + Stopped (SIGSTOP)        su -
$ ndp -p
fe80::%lagg0/64 if=lagg0
flags=LAO vltime=infinity, pltime=infinity, expire=Never, ref=0
  No advertising router
fe80::%lo0/64 if=lo0
flags=LAO vltime=infinity, pltime=infinity, expire=Never, ref=0
  No advertising router
$ ndp -r
$ ndp -i lagg0
linkmtu=0, maxmtu=0, curhlim=64, basereachable=30s0ms, reachable=31s, retrans=1s0ms
Flags: nud accept_rtadv auto_linklocal

Clearly there's no SLAAC action. I can't find any NDP debug messages in the kernel message log or in the syslog. Where might they be going?

-- 
Greg Rivers


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