[Xen-users] Does anybody here uses IPv6 for DomU?

[Carlos Ribas <carlos@xxxxxxx>]

Hello all,

I am trying to do some tests with IPv6. I would like to configure a dual stack for some services, such as DNS and Web Server.

First of all, to have IPv6 in DomU should I configure IPv6 in Dom0? I'm not sure, but I dont think so, since from Dom0 using loopback address I can ping the IPv6 address from my router.

Well, thinking that it is not mandatory, I configured an IPv6 address in DomU:

# The primary network interface

auto eth0

iface eth0 inet static

 address 10.0.0.100

 gateway 10.0.0.1

 netmask 255.255.255.0

 broadcast 10.0.0.255

iface eth0 inet6 static

 address 2001:xxxx:xxxx::6

 netmask 126

 gateway 2001:xxxx:xxxx::5

But I cant ping the IPv6 address from my gateway. My routes seems to be OK. Should I configure something else? I was looking in google and saw some people saying about to check /etc/sysctl.conf, specially the line "net.ipv6.conf.all.forwarding=1", but this dont did any difference.

I'm using these packets into a Debian Squeeze:

# dpkg -l | grep xen

ii  libxenstore3.0                      4.0.1-5.2                    Xenstore communications library for Xen

ii  linux-image-2.6.32-5-xen-amd64      2.6.32-45                    Linux 2.6.32 for 64-bit PCs, Xen dom0 support

ii  xen-hypervisor-4.0-amd64            4.0.1-5.2                    The Xen Hypervisor on AMD64

ii  xen-linux-system-2.6.32-5-xen-amd64 2.6.32-45                    Xen system with Linux 2.6.32 on 64-bit PCs (meta-package)

ii  xen-tools                           4.2-1                        Tools to manage Xen virtual servers

ii  xen-utils-4.0                       4.0.1-5.2                    XEN administrative tools

ii  xen-utils-common                    4.0.0-1                      XEN administrative tools - common files

ii  xenstore-utils                      4.0.1-5.2                    Xenstore utilities for Xen

And my xend-config.sxp is set to use:

(network-script 'network-bridge antispoof=yes')

(vif-script vif-bridge)

I appreciate any help.

Regards,

-------------------------------

Carlos Eduardo Ribas

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