IPv6 aliases on FreeBSD 10

krad kraduk at gmail.com
Wed Oct 22 13:05:17 UTC 2014


it works for me fine, although im only using /64 prefixes, im not sure you
should be mixing the prefixes though. Are you running rtadvd on the lan as
I am?

On 22 October 2014 09:22, pepe <plaine at gmail.com> wrote:

> Hello
>
> I have little problem with IPv6 aliases. Not working at all. Default IPv6
> address works fine. When I try to connect (or ping or traceroute or
> anything) withn alias address it just timeouts. Ifconfig output for IPv6
> is:
>
> inet6 2001:14b8:1801:c001::1 prefixlen 48
> inet6 2001:14b8:1801:c001::42 prefixlen 64
> inet6 2001:14b8:1801:c001::2 prefixlen 64
>
> So, ::1 works, ::2 or ::42 does not. And they're now prefix /64, but I
> tried with prefix /48 for aliases too, it doesn't change anything.
>
> When I try to traceroute alias ips from outside it stops here:
>
>
> 11  lah1-er23.ip6.dnaip.fi (2001:14b8::1177)  2054.594 ms !H * *
>
>
> When I try to traceroute with alias ip as source only output in tcpdump is
> this:
>
> 11:11:39.215209 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 16)
> bronx.iim.wtf > irc.nebula.fi: [icmp6 sum ok] ICMP6, echo request, seq 1
>
> bronx.iim.wtf if my ::2 and irc.nebula.fi is of course where I tried to
> traceroute.
>
> So. Anyone have any ideas what might be wrong here?
>
> --
> Perttu Laine, pepe at kahvipannu.com
> http://kpn.kahvipannu.fi
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