network problems

[ressel]

im facing a problem,
from host i can connect to internet, from host machine i can connect to 1 of 2 guests (KVM).
If I try ping the host who answer from host outside, there is no response.
What to do?

v1:~# /etc/init.d/networking restart
Reconfiguring network interfaces...
Waiting for vmbr0 to get ready (MAXWAIT is 2 seconds).
Usage: vzarp-ifup DEVICE
run-parts: /etc/network/if-up.d/vzifup-post exited with return code 1
done.
v1:~#

v1:~# ifconfig
eth0 Link encap:Ethernet HWaddr 00:19:66:a7:8b:ba
inet6 addr: fe80::219:66ff:fea7:8bba/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10567 errors:0 dropped:0 overruns:0 frame:0
TX packets:10052 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:848245 (828.3 KiB) TX bytes:11113432 (10.5 MiB)
Interrupt:50 Base address:0x8000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1282 errors:0 dropped:0 overruns:0 frame:0
TX packets:1282 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:330379 (322.6 KiB) TX bytes:330379 (322.6 KiB)

venet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

vmbr0 Link encap:Ethernet HWaddr 00:19:66:a7:8b:ba
inet addr:87.118.67.120 Bcast:87.118.67.255 Mask:255.255.255.0
inet6 addr: fe80::219:66ff:fea7:8bba/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10513 errors:0 dropped:0 overruns:0 frame:0
TX packets:9331 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:705087 (688.5 KiB) TX bytes:11014841 (10.5 MiB)

vmtab102i0 Link encap:Ethernet HWaddr 66:20:6f:c0:78:36
inet6 addr: fe80::6420:6fff:fec0:7836/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:37 errors:0 dropped:0 overruns:0 frame:0
TX packets:5029 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:9342 (9.1 KiB) TX bytes:1616418 (1.5 MiB)

vmtab103i0 Link encap:Ethernet HWaddr f6:b8:86:15:06:9f
inet6 addr: fe80::f4b8:86ff:fe15:69f/64 Scope:Link
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
RX packets:717 errors:0 dropped:0 overruns:0 frame:0
TX packets:4763 errors:0 dropped:0 overruns:6 carrier:0
collisions:0 txqueuelen:500
RX bytes:51635 (50.4 KiB) TX bytes:1600539 (1.5 MiB)

 

[dietmar]

try to use 'tcpdump' to debug the problem.

 

[ressel]

i got help from my server center, its up and running again.