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Re: [Xen-users] DomU Bridged vs. Routed Networking?

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Alexander Bochmann <ab@xxxxxxxxxxxxx>
  • Date: Wed, 17 Aug 2005 12:51:32 +0200
  • Delivery-date: Wed, 17 Aug 2005 10:58:28 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

...on Tue, Aug 16, 2005 at 11:47:16PM -0700, Andy Lee wrote:

 > Seems like most users opt for the bridged approach.  Perhaps it's because 
 > it is easier to setup and it is the default setting.  For route, I spent 
 > several days to learn that /proc/sys/net/ipv4/conf/eth0/proxy_arp needs to 
 > be set to 0.  It is not (Debian Sarge).  It should probably be added to 
 > /etc/xen/scripts/network-route.

Hm, I also just managed to set up a routed xenU network, 
after hitting probably almost any possible pitfall, but 
proxy_arp being set wrong was not amongst them (also 
Debian Sarge). It's set for the vif's here, but not for 

Also, the routing setup seems to be documented nowhere 
(couldn't find it, at least), except that the network 
scripts are being referenced in xend-config.sxp.

(And the NetBSD howto confused me by assigning an 
ip address to the bridge parameter for the vif in 
their example.)


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