ifconfig(8) does not display tunnel endpoints for gre(4)

Juan Rodriguez Hervella jrh at it.uc3m.es
Mon Sep 8 03:37:24 PDT 2003


On Saturday 06 September 2003 20:29, Bruce M Simpson wrote:
> On Thu, Sep 04, 2003 at 10:54:12AM +0200, Juan Rodriguez Hervella wrote:
> > [snipped]
> > gre0: flags=b051<UP,POINTOPOINT,RUNNING,LINK0,LINK1,MULTICAST> mtu 1476
> >         inet 192.168.1.1 --> 192.168.2.1 netmask 0xffffff00
> >         inet6 fe80::2c0:26ff:fea3:5df6%gre0 prefixlen 64 scopeid 0x5
> >
> >
> > Besides, I think that every interface already has a link-local IPv6
> > address, so I don't quite catch what you're saying in the PR, which I
> > quoted here:
> >
> > "When the system is compiled with INET6 support, then any instance of
> > a tunnel clone interface must have an AF_INET6 address configured on
> > it for the tunnel source/destination to be displayed."
>
> I forgot to mention I've explicitly disabled ip6 link-local addresses
> on my machine, via the following sysctl:
>
> net.inet6.ip6.auto_linklocal: 0
>

I thought that linklocal was mandatory on the IPv6 RFC, but I must
be wrong :D

Ok, good luck!

>
> BMS

-- 
JFRH



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