<div class="gmail_quote">On Mon, Nov 19, 2012 at 7:05 PM, Rudy Godoy <<a href="mailto:rudy@stone-head.org" target="_blank">rudy@stone-head.org</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div>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 <a href="http://192.168.122.0/24" target="_blank">192.168.122.0/24</a> (192.168.122.207, 192.168.122.167) > > I created another bridge (virbr1) with NAT forwarding (no dhcp). The > network i choose was <a href="http://192.168.100.0/24" target="_blank">192.168.100.0/24</a>. 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 > <a href="http://192.168.122.0/24" target="_blank">192.168.122.0/24</a> series , but guest systems in <a href="http://192.168.122.0/24" target="_blank">192.168.122.0/24</a> 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 > </div>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. </blockquote><div> ok </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> btw, Why do you need your hosts in separate networks? </blockquote><div> I have a special requirement where i need guests from different networks (subnets) to need to communicate each other. </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> You may want to check this page on libvirt networking. <a href="http://wiki.libvirt.org/page/VirtualNetworking" target="_blank">http://wiki.libvirt.org/page/VirtualNetworking</a> regards. -- Rudy Godoy <a href="http://stone-head.org" target="_blank">http://stone-head.org</a> _______________________________________________ libvirt-users mailing list <a href="mailto:libvirt-users@redhat.com" target="_blank">libvirt-users@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/libvirt-users" target="_blank">https://www.redhat.com/mailman/listinfo/libvirt-users</a> </blockquote></div>