Subject: Re: [vserver] Network access problem!
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Thu, 16 Jul 2009 18:35:51 +0200

On Thu, Jul 16, 2009 at 12:15:36PM +0800, songxuefei 47810 wrote:
> Hello all,
> 
> I build a vserver and give the interface configuration, but the
> vserver can't connect to the host. The ping command doesn't work
> properly. I use the packet capture tools. It seems that the vserver
> can't receive the reply messages. The detail interface configuration
> information is below:
> Interface configuration:

> echo "eth4" > /etc/vservers/xxx./interfaces/0/dev

do you have an eth4 on your host? 

> echo "192.168.1.2" > /etc/vservers/xxx/interfaces/0/ip
> echo "24" > /etc/vservers/xxx/interfaces/0/mask

that's simply wrong ... use 255.255.255.0 for mask,
or prefix for 24

> The ip address of host os is "192.168.1.1".

> and then I start the vserver xxx, enter the vserver xxx, try to ping
> the ip address "192.168.1.2", and the result is below:

> bash-3.2# ping 192.168.1.2
> PING 192.168.1.2 (192.168.1.2 ) 56(84) bytes of data.

try again after you fixed the above

best,
Herbert

> --- 192.168.1.2 ping statistics---
> 6 packets transmitted, 0 received, 100% packet loss, time 5007ms
> 
> 
> 
> I use the packet capture tools, the ping request and reply appeard both, it is so
strange, the result is below:
> 
> No.          Time               Source                      Destination          
   Protocol        Info          
> 1             0.000000       192.168.1.2                 192.168.1.2             
   ICMP            request
> 2             0.000023       192.168.1.2                 192.168.1.2             
   ICMP            reply
> 3             1.008884       192.168.1.2                 192.168.1.2             
   ICMP            request
> 4             1.008902       192.168.1.2                 192.168.1.2             
   ICMP            reply
> 5             2.008589       192.168.1.2                 192.168.1.2             
   ICMP            request
> 6             2.008609       192.168.1.2                 192.168.1.2             
   ICMP            reply
> 7             3.008266       192.168.1.2                 192.168.1.2             
   ICMP            request
> 8             3.008283       192.168.1.2                 192.168.1.2             
   ICMP            reply
> 9             4.007962       192.168.1.2                 192.168.1.2             
   ICMP            request
> 10           4.007983       192.168.1.2                 192.168.1.2              
  ICMP            reply
> 
> 
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