Re: [vserver] Network access problem!

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Thu 16 Jul 2009 - 17:35:51 BST
Message-ID: <20090716163551.GA31759@MAIL.13thfloor.at>

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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Received on Thu Jul 16 17:36:09 2009

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