Re: [Xen-users] Domain with openvpn-server-bridge to Dom0-bridge problem

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Tue, Jun 22, 2010 at 3:11 AM, Tegger <xen@xxxxxxxxx> wrote:
>> start with tcpdump on dom0's eth0 then. Something like "tcpdump -n -i
>> eth0 host 192.168.100.1". What happens if:
>> - from openvpn domain, you ping to 192.168.100.1 ->  you should see
>> packets going through both ways
>> - from openvpn client, ping to 192.168.100.1 ->  you might see packets
>> going both ways, one way, or none at all
>>
>> That would help you determine where the problem is.
>>
>>
>
> hmm, seems to be working with tcpdump.....so it should work, but it doesn't
>
> DOM0:~# tcpdump -n -i eth0 host 192.168.100.1
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
> 22:04:18.796413 arp who-has 192.168.100.1 tell 192.168.100.205

I'm assuming ping from dom0's IP address correctly show up on tcpdump,
and that you're not having the config mistake that Felix suggested?

So packets arp packets go out of eth0, but no reply came back? Try
doing tcpdump on destination host (192.168.100.1), see if it gets the
arp queries.

-- 
Fajar

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