Re: [libvirt-users] unable to ping from guests in virbr0 to guests in virbr1 network

On Mon, Nov 19, 2012 at 12:09:53PM +0530, mallapadi niranjan wrote: > Hi all, > > I have 3 guests (2-RHEL4 and 1 RHEL6) and have some issues regarding > networking between them. The 2 RHEL4 system's use default bridge virbr0 and > get ip's of range 192.168.122.0/24 (192.168.122.207, 192.168.122.167) > > I created another bridge (virbr1) with NAT forwarding (no dhcp). The > network i choose was 192.168.100.0/24. And the third system (RHEL6) was > assigned static ip-addres 192.168.100.101, > > >From the RHEL6 system which uses virbr1 is able to ping systems in > 192.168.122.0/24 series , but guest systems in 192.168.122.0/24 are not > able to ping RHEL6 system (in virbr1) network. > > >From the RHEL4 guests i am able to ping the gateway ip's (192.168.122.1, > 192.168.100.1) , but not the RHEL6 system > That's correct behavior, because the networks are in different ranges they need to have a way to talk to each other, either via a gateway or fixed routing.