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Re: [Xen-users] Networking: two dynamic IPs



What is your side of the ISP setup?

Presumably your linksys router is getting a DHCP address from your cable modem? Is this a real Internet address (no ppoe)?
Why does your ISP assign two addresses? Have they given you a router?

Sent from my iPhone

On Jun 27, 2009, at 9:21 PM, lists@xxxxxxxxxx wrote:

Hello.

My host is CentOS 5.3 and Xen is v3.2 (from RPMs provided from Gitco). One of my DomUs is Trixbox that has been having some intermittent issues that I believe are due to it being behind my firewall (which is a Linksys router). My ISP gives me two dynamic IPs, so I would like to put my Trixbox DomU on this second dynamic IP. The Trixbox DomU is an HVM DomU.

What is the best way to do this? I will likely use a small 4-port switch to connect my router and Xen host to it so each can get their own IP, however I am not sure how this should be setup on Dom0? A couple ideas I had are:

1.) Just plug the NIC that is to connect to my ISP, create a bridge with a dummy/private IP, and connect the Trixbox to that bridge. I am not sure if that will pass the IP I get from my ISP to the Trixbox DomU? 2.) If possible, do a PCI pass-through of the NIC that is to connect to my ISP to the Trixbox DomU. Is it possible to do this?

Would either/both of my ideas above work? Any other suggestions? (feel free to point me to the correct documentation, if it exists)

Thanks, in advance, for you help.

-Alan

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