Re: [Xen-users] Debian whezzy & Xen 4.1 & IPv6

[Ronny Wagner <r.wagner@xxxxxxxxx>]

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Hi Ian,

sry for my late answer, i was sick the last days.

I change some files and the DomU started with ipv6:
nano /etc/xen/xend-config.sxp
Old:
(network-script 'network-route netdev=eth0')
(vif-script     'vif-route netdev=eth0')
New:
(network-script network-route)
(vif-script     vif-route)

nano /etc/xen/scripts/vif-common.sh
Old:
ip_of()
{
  ip addr show "$1" | awk "/^.*inet.*$1\$/{print \$2}" | sed -n '1 s,/.*,,p'
}
New:
ip_of()
{
        ip -4 -o addr show primary dev $1 | awk '$3 == "inet" {print $4; exit}' 
| sed 's#/.*##'
}

But now, I can ping from the DomU to the Dom0 and not to the gateway or the the 
internet. Do you have a tip how I can fix this?

Some entry I change in the file /etc/sysctl.conf:
net.ipv4.conf.all.rp_filter = 1
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.ip_forward = 1
net.ipv4.conf.eth0.proxy_arp = 1
net.ipv6.conf.all.forwarding = 1
net.ipv6.conf.all.proxy_ndp = 1
net.ipv4.conf.default.proxy_arp = 1

ipv4 is not a problem, this ist okay, but ipv6 not.
Traceroute:
traceroute to ipv6.google.com (2a00:1450:4005:808::1012), 30 hops max, 80 byte 
packets
 1  IPv6 Dom0 (IPv6 Dom0)  0.207 ms  0.149 ms  0.135 ms
 2  IPv6 Dom0 (IPv6 Dom0)  2999.852 ms !H  2999.809 ms !H  2999.759 ms !H

Thank you very much

- -----UrsprÃngliche Nachricht-----
Von: Ian Campbell [mailto:ian.campbell@xxxxxxxxxx]
Gesendet: Mittwoch, 10. Juli 2013 14:51
An: Ronny Wagner
Cc: Xen-users@xxxxxxxxxxxxx
Betreff: Re: AW: [Xen-users] Debian whezzy & Xen 4.1 & IPv6

On Wed, 2013-07-10 at 05:56 +0000, Ronny Wagner wrote:
> [...]
> ++ dom0_ip
> ++ local nd=eth0
> +++ ip_of eth0
> +++ sed -n '1 s,/.*,,p'
> +++ awk '/^.*inet.*eth0$/{print $2}'
> +++ ip addr show eth0
> ++ local result=
> ++ '[' -z '' ']'
> ++ fatal

This looks like the issue -- your script appears to want to find an IP
address on eth0.

Ian.
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