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

[Peter Booth <peter_booth@xxxxxx>]

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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