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Date: Fri, 5 Aug 2005 12:54:25 -0400
From: "Jim C. Brown" <jma5@umd.edu>
Subject: Re: [Qemu-devel] Connecting vde and LAN
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To: qemu-devel@nongnu.org

On Thu, Aug 04, 2005 at 12:14:53PM +0200, Henrik Nordstrom wrote:
> On Tue, 12 Jul 2005, Jim C. Brown wrote:
> 
> >I just tried this with libnet 1.1 (1.1.2.1 to be specific), and it doesn't
> >seem to work. Pings do not go through. I only handled the vde -> host case
> >though, do I need to do anything special for host -> vde packets?
> 
> Did you fake the ARP response to the guest? If not the guest won't get 
> past ARP:ing for the host and no IP packet will be sent..
> 

I attempted to, but it seems I was only partially successful. Sometimes the ARP
table would just have an "(Incomplete)" entry.

> To make life simpler you should probably start testing UDP in each 
> direction (netcat is your friend) with static ARP entries registered on 
> both guest and host.
> 

Hmm...static ARP. Never thought of that.

> For host->guest packets the RAW sockets demonstrated earlier is fine if 
> you accept that the guest packets is also duplicated on the local lan. I 
> do not know of a method to have host->guest packets sent cleanly without 
> duplication on the Ethernet without setting up a TUN/TAP or PPP interface.
> 
> Regards
> Henrik
> 

-- 
Infinite complexity begets infinite beauty.
Infinite precision begets infinite perfection.