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Re: [Xen-users] Interesting networking problem (network is unreachable)

To: Martin Hierling <martin@xxxxxxxxx>
Subject: Re: [Xen-users] Interesting networking problem (network is unreachable)
From: "Morten W. Petersen" <morten@xxxxxxxxxxxxxx>
Date: Tue, 09 Jan 2007 18:27:51 +0100
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Martin,

    when I try to ping and outside host from the guest domain,
    the message "connect: Network is unreachable" appears.

    Any ideas what's wrong?


Your default route is not inside the netmask range.
So if 83.143.83.121 <http://83.143.83.121> is really you gateway you netmask should at be:
255.255.255.0 <http://255.255.255.0>!
It may be that your provider gave your the adresses 83.143.83.192/29 <http://83.143.83.192/29> for your use but your netmask is /25.

(got your other email about netmask /25).

I don't get any error messages now when using ping, but
I don't get any responses either.

If I configure the guest with IP 83.143.83.193 and netmask
255.255.255.0 and the routes

83.143.83.0     *               255.255.255.0   U     0      0        0 eth0
default         83.143.83.121   0.0.0.0         UG    0      0        0 eth0

ping just waits:

kshetra:~# ping 83.143.86.11
PING 83.143.86.11 (83.143.86.11) 56(84) bytes of data.

--- 83.143.86.11 ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7008ms

Thanks very much for your help so far,

Morten

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