(usagi-users 00528) Re: [mipl] Autoconfiguration problem with radvd

[Teemu Rinta-aho <teemu.rinta-aho@xxxxxxxxxxxxxx>]

On Sat, 19 May 2001, Teemu Rinta-aho wrote:

> On Fri, 18 May 2001, Venkata Jagana wrote:
>
> > When the router boots, if we enable forwarding
> > (net.ipv6.conf.all.forwarding)
> > and then start radvd, the two local interfaces on the router don't get
> > global
> > addresses and also there are no corresponding route entries. However the 2
>
> If you enable forwarding, it implicitly disables the
> acceptance of Router Advertisements. This is one
> of the million or so "nice" undocumented features of
> Linux... :-(

Very uncool to reply to one's own reply, but I have
to apologize my ignorance. It is now documented,
as Pekka pointed out in his reply. I just remember
fighting with this problem a long time ago and
I didn't find any documentation that time...

>
> So, you have to configure the addresses to the
> router by hand with ifconfig. You also have to
> configure static routes or use RIPv6 or other
> routing protocol.
>
> If you absolutely positively want your router to
> accept RAs, then hack yourself the ndisc_router_discovery
> function in net/ipv6/ndisc.c. But it is probably
> not wise to both send and receive RAs ;-)
>
> BR,
> Teemu
>
>

-- 

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Teemu Rinta-aho                        teemu@xxxxxxxxxxxxxx
NomadicLab, Ericsson Research               +358 9 299 3078
FIN-02131 Espoo, Finland                   +358 40 562 3066
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