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Re: IPv6 6rd BR setup on Linux
From: Masakazu Asama <masakazu.asama () gmail com>
Date: Wed, 17 Apr 2013 17:11:15 +0900

Sasa

Distribution that supports 6rd feature is limited.
I was confirmed that it works on debian wheezy.
(squeeze's kernel does not support 6rd.)

(1) edit /etc/sysctl.conf and set net.ipv6.conf.all.forwarding=1
(2) edit /etc/network/interfaces like following
===
auto eth0
iface eth0 inet static
    address 172.16.1.1
    netmask 255.255.255.0
    gateway 172.16.1.123
iface eth0 inet6 static
    address 2001:xxxx:xxxx:xxxx::1
    netmask 64
    gateway 2001:xxxx:xxxx:xxxx::1234

auto tun6rd
iface tun6rd inet6 v4tunnel
    address 2001:db8:ac10:101::
    netmask 32
    local 172.16.1.1
    endpoint any
    ttl 64
    up ip tunnel 6rd dev tun6rd 6rd-prefix 2001:db8::/32
    up ip link set mtu 1280 dev tun6rd
===
(3) reboot

This example assumes that 6rd-prefix = 2001:db8::/32 and BR has
172.16.1.1(0xac100101).

Regards.



2013/4/16 Shishio Tsuchiya <shtsuchi () cisco com>

Sasa
Ohkubo-san tested Linux as BR,too.
You need to change default route to IPv6 internet and enable IPv6
fowarding.
/etc/sysctl.conf
net.ipv6.conf.all.forwarding=1

Regards,
-Shishio


(2013/04/16 16:33), Sasa Ristic wrote:
OK, I found this information too, but, if I'm not mistaken, this is all
regarding 6rd "client" setup on *nix, while the BR is on Cisco ASR1K.
I'm trying to setup BR on (any kind) Linux, but either there is no
possibility or information on this topic, or I'm unable to find it.


On Tue, Apr 16, 2013 at 3:44 AM, Shishio Tsuchiya <shtsuchi () cisco com<mailto:
shtsuchi () cisco com>> wrote:

    Sasa
    Sakura internet,datacentor provider of JAPAN,is providing 6rd
BR(ASR1K),IPv6 internet and 6rd configuration information for their
customer.
    We published the information as informational draft.
    Debian 6.0's linux kernel is 2.6.32.So <http://2.6.32.So> you might
need upgrade kernel.
    Basically information is 6rd CE configuration for host,but I think
this would be useful for you.

http://tools.ietf.org/html/draft-sakura-6rd-datacenter-04#appendix-A.1.2.3
    http://research.sakura.ad.jp/6rd-trial/6rd-trial-debian60/
    (Japanese)

    Regards,
    -Shishio

    (2013/04/16 7:57), Sasa Ristic wrote:
     > hello all,
     >
     > can someone please share any info regarding a ipv6 6rd BR setup
on linux
     > (debian specific preferably)... goo.gl <http://goo.gl> search
didn't turn up much...
     >
     > thanks!
     >
     >
     >






--
ricky






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