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xen-users
Re: [Xen-users] Can't ping gateway
Hi,
What is the ethernet device in your system.
If it is realtek RTL811/RTL8168 something then I too have seen an
issue like this.
The ethernet address for the eth0 interface is set to
fe:ff:ff:ff:ff:ff by the rtl8169 driver which gets installed.
This ethernet address happens to the be the address used by xen
networking. Hence because of the addres conflict the packets get
dropped.
you can check this by running running ifconfig. You will see the same
ethernet address for eth0 and the xen interfaces too.
Thanks
Ramachandran
On Wed, May 27, 2009 at 6:58 PM, Jk . <jankarlitos@xxxxxxxxxxx> wrote:
> Thanks fajar for your quick response,
>
>
> - I already disable firewall
>
>
> - unfurtunaly this didn't work
> > Try this :
> > - make sure iptables is disabled, and check again
> > - ifconfig eth0 0.0.0.0 down
> > - ifconfig xenbr0 192.168.2.8/24 up
>
>
> - i've notice that on my normal kernel, xenbr0 doesn't exist and that's when
> i CAN ping the gateway. I have no experience with xen, but i think it might
> be a bridge problem
>
>
>
>> Date: Wed, 27 May 2009 10:10:04 +0700
>> Subject: Re: [Xen-users] Network problem
>> From: fajar@xxxxxxxxx
>> To: xen-users@xxxxxxxxxxxxxxxxxxx
>>
>> On Wed, May 27, 2009 at 8:44 AM, Jk . <jankarlitos@xxxxxxxxxxx> wrote:
>> > Hi, I'm trying to install xen with this configuration:
>> >
>> > dom0 -> Centos 5.3
>>
>> > Centos kernel = (2.6.18-128.1.10.el5.centos.plusxen)
>>
>> >
>> > I'm having some problems trying to install xen on my mychine, but i've
>> > been
>> > able to solve all of them but one: i can't reach my gateway from dom0.
>> >
>> > With the normal kernel i CAN ping the gateway, but when i switch to
>> > kernel-xen i CAN'T.
>>
>> >ETH0:
>> > Address - 192.168.2.8
>> > Mask - 255.255.255.0
>> > Gateway - 192.168.2.1 (I can´t ping here)
>>
>
>>
>> Try pinging the gateway. If it works, probably there's a bug in
>> netloop module. You can try earlier kernel version ( < 2.6.18-128 ),
>> and file a bug to Centos.
>>
>> Another alternative is to setup bridging from the OS, not using Xen's
>> bridge script (which is what I have in my setup).
>>
>> --
>> Fajar
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>
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