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Re: [Qemu-devel] Connecting vde and LAN
From: |
Jim C. Brown |
Subject: |
Re: [Qemu-devel] Connecting vde and LAN |
Date: |
Fri, 5 Aug 2005 12:54:25 -0400 |
User-agent: |
Mutt/1.4i |
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.