[CentOS-virt] routing problem with domU bridged to two networks
Peter Peltonen
peter.peltonen at gmail.comFri Mar 16 16:23:53 UTC 2012
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Hi, On Wed, Mar 7, 2012 at 10:13 PM, Ed Heron <Ed at heron-ent.com> wrote: >> My goal: >> >> To access NFS shares on a (non-virtualized) file server in the LAN >> network from the domU web server in the DMZ network. <snip> >> >> My problem: >> >> If my domU web server is connected to both LAN and DMZ using the two >> bridges xenbr0 and xenbr1, I can access the NFS share from the domU >> web server and everything else works as expected, except for one thing >> -- my workstations in the LAN cannot anymore access the web server: >> web pages do not open anymore and from the workstations I cannot ping >> the domU. If the web server domU is only connected to DMZ via xenbr0, >> the workstations can access it ok. >> >> >> Any advice what I am doing wrong and I could fix my setup? > > The postrouting command uses -o eth2. To NAT LAN requests to your DMZ > web server, shouldn't you be using xenbr0? Thanks Ed for your advice, that was the thing I was missing. After adding a postrouting command for xenbr0 everything works as expected. Cheers, Peter
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