Re: [NDP] Router autoconfiguration with RS/RA

Alexandru,

> > a router can very well have an interface configured in host mode 
> > where it uses normal host configuration mechanisms. [...] I don't see
> >  any reason why it couldn't also do forwarding on this interface.
> 
> Ok, but what does the RFC say?  

This is what we're talking recently in a draft / working group meetings.
I also think that we need to clarify that.

IMH, there are "host", "router" and "something in the middle" maybe :-)

> Can a non-mobile router configure one of 
> its interface in host mode, auto-configure an address from received RA 
> on it, and still forward packets to/from that interface?

I think so. 
Typical examples are CPE (Custmer Premises Equipment) router for ADSL / FTTH
and there are implementations.

> > router/host mode is a per interface property.
> 
> Well, I don't think a non-mobile router can have any one of its 
> interfaces in 'host' mode - once at least one interface is in host mode 
> it will no longer forward packets between any of its other interfaces.

Again, there are many implementations, just like my good friend Ole Troan said.

And... for example, we can configure Microsoft Vista do this.

Shin Miyakawa
NTT Communications Corporation
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