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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH] Add pcap-based host network bridge |
Date: | Sun, 22 Mar 2009 21:23:38 -0500 |
User-agent: | Thunderbird 2.0.0.21 (X11/20090320) |
Jan Kiszka wrote:
This introduces bridged networking via pcap. Both Unix and Windows platforms are supported. While tap-based bridging provides basically the same support pcap does, the latter is often more handy to set up. Under Linux, it doesn't require to configure a bridge and it is able to bypass the ebtables if this is desired. Also under Windows, the bridge setup can be lengthy procedure compared to using the pcap interface. Signed-off-by: Klaus Wenninger <address@hidden> Signed-off-by: Jan Kiszka <address@hidden>
The previous version of this had a fundamental flaw wrt guest->host communication on Linux. My understanding was that this was an intrinsic limitation of pcap.
That's a blocker IMHO because it will invariably lead to many folks asking why ping to the host doesn't work (just like slirp). Since it still requires root privileges, I don't think it improves a lot on tap.
Regards, Anthony Liguori
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