The very first hello to LinuxQuestions comunity
I read this forum since many years and solved lots of problems thanks to You guys, but now I have unusual problem so I have to ask you for help. I'm trying to fix this up since two weeks and got nothing. I stuck and loosing hair on my head because of it I think my case should be quiet simple to fix for sth who know ip route well. So I'll be thankful for help. My HW has 3 NICs with assigned ip:
WAN 123.123.123.123 for www, databases,ftp and other services.
WAN 111.222.333.444 for internet sharing
LAN 10.0.0.1

Above configurations works fine. On HW I installed OpenVZ and configured network, CT has external ip 111.222.333.445 (same network as nic for internet sharing). From CT i can ping:
google.com
111.222.333.444
10.0.0.0/24
self 111.222.333.445

But I can't ping 123.123.123.123 - this isn't as bad case because I can define in hosts file to resolve specific domain to 10.0.0.1 (not 123.123.123.123). The worst thing is from HW I can't ping:
self 10.0.0.1
CT 111.222.333.445

I can ping CT from any other machine over the internet. Assuming everythings works fine but I have no connection between HW and CT. I tried to modify my routing table but with no result (I believe there is one rule which I need to enter) so now I count on IT specs from LQ

Thank You and best regards.

Do you add 123.123.123.123 network's route into CT machine routing table?

CT's routing table is:
192.0.2.0 0.0.0.0 255.255.255.0 U 0 0 0 venet0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 venet0
0.0.0.0 192.0.2.1 0.0.0.0 UG 0 0 0 venet0

This is default setting for each CT and it's suppose to be working. But there is one more thing. When I run from HW traceroute 111.222.333.445 it goes out over internet through 123.123.123.123 and hits back CT using 111.222.333.442 (gateway). But when I run from CT traceroute 123.123.123.123 it try to hit HW directly. So i think when I want to ping CT from HW (and HW from CT) it request host using one interface but host send response to second one....

(I hope I'm clear enough ...and thank you for trying to solve my problem)

Both side should have consistant route.