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Re: [Qemu-discuss] Coldfire 5282 Support

From: Peter Maydell
Subject: Re: [Qemu-discuss] Coldfire 5282 Support
Date: Tue, 3 Oct 2017 18:40:19 +0100

On 3 October 2017 at 18:14, Thomas Huth <address@hidden> wrote:
> Not sure, but it might be normal that the host is not answering here.
> The "user" networking is using NAT, so the host OS might think that it
> is talking to itself here and thus ARP is not needed. You might want to
> try "tap" networking instead. Or maybe try to connect to another host
> from within the guest first (for example "nc www.google.com 80" ... and
> then type "GET / HTTP/1.0").

With the user-mode networking QEMU should do all the handling
of guest ARP requests and responses internally; they'll never get out
to the host because the host will have no idea what to do with
them. (See arp_input() in slirp/slirp.c.)

-- PMM

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