Date: Wed, 29 Aug 2001 22:37:50 +0200 (CEST) From: Wouter Van Hemel <wvhemel@vub.ac.be> To: Hajimu UMEMOTO <ume@mahoroba.org> Cc: <freebsd-questions@FreeBSD.ORG> Subject: Re: ipv6 route configuration Message-ID: <Pine.LNX.4.33.0108292233500.136-100000@cocaine.cryolabs.net> In-Reply-To: <20010830.053248.115984750.ume@mahoroba.org>
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On Thu, 30 Aug 2001, Hajimu UMEMOTO wrote:
> Hi,
>
> >>>>> On Wed, 29 Aug 2001 21:55:56 +0200 (CEST)
> >>>>> Wouter Van Hemel <wvhemel@vub.ac.be> said:
>
> > wvhemel> route add -inet6 3ffe:0b80:01c8:: -prefixlen 48 -interface lo0
> > (--> why lo0 ?? shouldn't this subnet be send to ed1, the internal net?)
> >
> > It should be better to add -reject.
>
> wvhemel> For security's sake, you mean? Well, first I want to make it work, if it
> wvhemel> doesn't work, there isn't anything to secure, is there :)
>
> No, it for safety.
>
I know, but no safety before the basics work. Let's focus on making it
work first.
> > wvhemel> 3) does rtadvd have to run on all machines, or just the router?
> >
> > Just on the router.
>
> wvhemel> Ok, that seems logical.
>
> It seems you don't want to use Play&Play of IPv6. In this case, you
> don't need to run rtadvd at all. It is a server for providing
> Plag&Play.
>
Ah, it's not needed for static routes... Hmmm... that makes
sense... Thanks!
> > wvhemel> Anybody with a better understanding of routing, please enlighten me, or
> > wvhemel> point me to good resources... thanks :)
> >
> > Basically, if you use /etc/rc.conf, you can set something like:
> >
> > gif_interfaces="gif0"
> > gifconfig_gif0="real_ip tunnel_end_point"
> > ipv6_enable="YES"
> > ipv6_network_interfaces="ed1"
> > ipv6_prefix_ed1="3ffe:b80:1c8:1"
> > ipv6_gateway_enable="YES"
> > ipv6_router_enable="YES"
> > ipv6_router_flags="-A 3ffe:b80:1c8::/48,gif0 -O 3ffe:b80:1c8::/48,gif0"
> > rtadvd_enable="YES"
> > rtadvd_interfaces="ed1"
>
> wvhemel> This is what the script does, first I want to make everything work before
> wvhemel> I put it in my rc-files.
>
> I see.
>
> wvhemel> How would you go about if you would make a static route for each host?
>
> Yes, if you don't use Plag&Play of IPv6, you need to install static
> route to each host.
>
> wvhemel> That would be possible, no?
>
> Yes, you can with something like:
>
> route add -inet6 default link-local-address-of-router%interface-of-the-host
>
> When you use rc.conf, you can put something like:
>
> ipv6_defaultrouter="fe80::220:afff:fef8:7c44%de0"
>
> I you choose to use Plag&Play, default route will be installed
> automatically by invoking rtsol for end host.
>
> wvhemel> Allow me to explain what I want (if possible) and don't know how to
> wvhemel> achieve. I'd like to make the ip as short as possible, and appoint
> wvhemel> 3ffe:b80:1c8::1 to 192.168.196.1, 3ffe:b80:1c8::2 to 192.168.196.2, and so
> wvhemel> on.
>
> I understand your needs.
>
> wvhemel> Just to make sure, for the other machines, I just add something like
> wvhemel> '3ffe:b80:1c8::2' to ed1 with ifconfig?
>
> Yes, you can. However, you cannot use Plug&Play of IPv6 in this case.
> When you use rc.conf, you can put ipv6_ifconfig_* instead of
> ipv6_prefix_*.
>
Thanks, I think I'm on the right track here.
> --
> Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
> ume@mahoroba.org ume@bisd.hitachi.co.jp ume@{,jp.}FreeBSD.org
> http://www.imasy.org/~ume/
>
.
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