Re: [Xen-users] [SOLVED] vif-route/networking-route question

[Timo Benk <timo.benk@xxxxxx>]

The following solved my problem:

Enabling proxy_arp on the outgoing interface in dom0:
# echo 1  > /proc/sys/net/ipv4/conf/eth0/proxy_arp

Greetings,
-timo

On Sat, 1 Apr 2006 13:49:14 +0200, Timo Benk <timo.benk@xxxxxx> wrote:
> Hi,
> 
> i set up dom0 to use vif-route and network-route instead of bridging
> with eth0 = 172.48.0.128/12.
> 
> I created two domU\'s, xen-dom1 with vif = [ \'ip=172.48.0.101\' ] and
> xen-dom2 with vif = [ \'ip=172.48.0.101\' ].
> 
> As expected, vif-route sets two static routes for vif7.0 and vif2.0:
> 
> ---<snip>---
> 172.48.0.101 dev vif7.0  scope link  src 172.48.0.128
> 172.48.0.102 dev vif2.0  scope link  src 172.48.0.128
> 172.48.0.0/12 dev eth0  proto kernel  scope link  src 172.48.0.128
> default via 172.48.0.1 dev eth0
> ---<snip>---
> 
>>From within dom0 i can:
> - ping 172.48.0.101
> - ping 172.48.0.102
> - ping 172.48.0.1 (which is an external machine)
> 
>>From within 172.48.0.1 i can:
> - ping 172.48.0.128
> - ping 172.48.0.101  does not work
> - ping 172.48.0.102  does not work
> 
>>From within xen-dom1 i can:
> - ping 172.48.0.101
> - ping 172.48.0.102
> - ping 172.48.0.128
> - ping 172.48.0.1   does not work
> 
>>From within xen-dom2 i can:
> - ping 172.48.0.101
> - ping 172.48.0.102
> - ping 172.48.0.128
> - ping 172.48.0.1   does not work
> 
> vif-route does not set /proc/sys/net/ipv4/ip_forward to 1 as
> expected ([1]), so i does that by myself.
> 
> Any ideas why i cannot reach 172.48.0.1 from within domU?
> 
> Greetings,
> -timo
> 
> [1]http://lists.xensource.com/archives/html/xen-users/2006-02/msg00030.html
> 
> --
> Timo Benk
> Fax:   +49-(0)12120-152802
> Mobil: +49-(0)178-8066638
> PGP Public Key: http://vs241071.vserver.de/timo_benk_gpg_key.asc
> 
> 
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-- 
Timo Benk
Fax:   +49-(0)12120-152802
Mobil: +49-(0)178-8066638
PGP Public Key: http://vs241071.vserver.de/timo_benk_gpg_key.asc



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