Date: Thu, 30 Aug 2001 03:43:58 +0900 (JST) From: Hajimu UMEMOTO <ume@mahoroba.org> To: wvhemel@vub.ac.be Cc: ume@mahoroba.org Subject: Re: ipv6 route configuration Message-ID: <20010830.034358.39231250.ume@mahoroba.org> In-Reply-To: <Pine.LNX.4.33.0108291636090.197-100000@cocaine.cryolabs.net> References: <Pine.LNX.4.33.0108291636090.197-100000@cocaine.cryolabs.net>
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Hi,
# I'm not on -question list.
>>>>> On Wed, 29 Aug 2001 17:06:08 +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> and it makes a rtadvd.conf-file with:
wvhemel> ##### start #####
wvhemel> default:\
wvhemel> :raflags#0:rltime#3600:\
wvhemel> :pinfoflags#64:vltime#360000:pltime#360000:mtu#1500:
wvhemel> ether:\
wvhemel> :mtu#1280:tc=default:
wvhemel> # interfaces.
wvhemel> ed1:\
wvhemel> :addrs#1:\
wvhemel> :addr="3ffe:0b80:01c8:0001::":prefixlen#64:tc=ether:
wvhemel> ##### end #####
Actually, you don't need rtadvd.conf.
wvhemel> 1) why does the /48 class get bound to lo0?
It is reject route to avoid loop at aggregate point. Actual segment
should use /64.
wvhemel> 2) how do I send the full /48 class to the internal net, using ::1 for the
wvhemel> router itself - like my ipv4 internal net?
wvhemel> 3) does rtadvd have to run on all machines, or just the router?
Just on the router.
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"
--
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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