Re: ipv6 / rtadv problem

On 29/03/2011, at 23:10, Marcin Cieslak wrote:
>>> Daniel O'Connor <doconnor_at_gsoft.com.au> wrote:
>> 
>> On 29/03/2011, at 8:29, Daniel O'Connor wrote:
>>> On 29/03/2011, at 1:37, Sergey Kandaurov wrote:
>>>> 1) ipv6_enable is obsolete in HEAD, see UPDATING.
>>> 
>>> Ahh UPDATING, of course, thanks :)
>>> 
>>>> 2) Normally hosts ignore rtadv packets if ipv6_gateway_enable is also
>>>> set (as per rfc4861).
>>>> All you need is something like ifconfig_em0_ipv6="inet6 accept_rtadv"
>>> 
>>> Great, it works!
>> 
>> I spoke a little too soon, I could not connect to a remote host until I did some pings, eg..
>> maarsy-acq:~>telnet -NK6 ipv6.google.com 80
>> Trying 2404:6800:8004::68...
>> ^C
>> maarsy-acq:~>ping6 metatron
>> PING6(56=40+8+8 bytes) 2001:44b8:7c07:5581:225:90ff:fe32:91e --> 2001:44b8:7c07:5581:204:61ff:fe79:276f
>> 16 bytes from 2001:44b8:7c07:5581:204:61ff:fe79:276f, icmp_seq=0 hlim=64 time=0.507 ms
>> 16 bytes from 2001:44b8:7c07:5581:204:61ff:fe79:276f, icmp_seq=1 hlim=64 time=0.247 ms
>> ^C
>> --- metatron.gsoft.com.au ping6 statistics ---
>> 2 packets transmitted, 2 packets received, 0.0% packet loss
>> round-trip min/avg/max/std-dev = 0.247/0.377/0.507/0.130 ms
> 
> Are you having this problem when talking to other v6 in the same LAN?

Well, the first one (metatron) I pinged worked fine and after that it all came good.

> How does your "netstat -rnf inet6" look like?
Routing tables

Internet6:
Destination                       Gateway                       Flags      Netif Expire
::/96                             ::1                           UGRS        lo0 =>
default                           fe80::204:61ff:fe79:276f%em0  UG          em0
::1                               ::1                           UH          lo0
::ffff:0.0.0.0/96                 ::1                           UGRS        lo0
2001:44b8:7c07:5581::/64          link#2                        U           em0
2001:44b8:7c07:5581:225:90ff:fe32:91e link#2                        UHS         lo0
fe80::/10                         ::1                           UGRS        lo0
fe80::%em0/64                     link#2                        U           em0
fe80::225:90ff:fe32:91e%em0       link#2                        UHS         lo0
fe80::%lo0/64                     link#5                        U           lo0
fe80::1%lo0                       link#5                        UHS         lo0
ff01::%em0/32                     fe80::225:90ff:fe32:91e%em0   U           em0
ff01::%lo0/32                     ::1                           U           lo0
ff02::/16                         ::1                           UGRS        lo0
ff02::%em0/32                     fe80::225:90ff:fe32:91e%em0   U           em0
ff02::%lo0/32                     ::1                           U           lo0


> Can you reach metatron.gsoft.com.au from your gateway?

metatron IS my gateway :)

It is running a fairly old FreeBSD (6.x..), maybe there are bugs there..

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C