From: Arnd Bergmann <arnd@arndb.de>
To: Gerhard Wiesinger <lists@wiesinger.com>
Cc: Jan Kiszka <jan.kiszka@web.de>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: Network bridging without adding bridge with brctl, possible?
Date: Sun, 20 Feb 2011 22:33:37 +0100 [thread overview]
Message-ID: <201102202233.37208.arnd@arndb.de> (raw)
In-Reply-To: <alpine.LFD.2.02.1102202055001.6400@bbs.intern>
On Sunday 20 February 2011, Gerhard Wiesinger wrote:
> >> qemu-system-x86_64 ... some params ... -net
> >> nic,model=e1000,macaddr=1a:46:0b:ca:bc:7c -net tap,fd=3 3<>/dev/tap10
> >>
> >> Seems to me quite logically because macvtap0 (and not macvlan0) is
> >> associated with /dev/tap10 but with another mac address set in KVM.
> >>
> >> Any furher ideas?
> >
> > As you already noticed: you mixed up the MAC addresses. KVM's must be
> > the same as used for its frontend macvtap. The macvlan is only for the
> > host and has a separate one.
>
> I think I did everyting right in the last 1st try but it still didn't
> work:
> 1.) macvtap0: MAC: 1a:46:0b:ca:bc:7b
> 2.) macvlan0: MAC: 1a:46:0b:ca:bc:7c, 192.168.0.23
> 3.) KVM: MAC: 1a:46:0b:ca:bc:7b, assigned IP from DHCP: 1a:46:0b:ca:bc:7b
> (looks like an IP address conflict inside guest and outside?)
>
> That should be as you explained, right?
>
The qemu command above has the 7c mac address, which does not match.
Do you see the interface in the guest using "ip link show" ?
Arnd
next prev parent reply other threads:[~2011-02-20 21:34 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-19 19:32 [Qemu-devel] Network bridging without adding bridge with brctl, possible? Gerhard Wiesinger
2011-02-20 9:44 ` [Qemu-devel] " Jan Kiszka
2011-02-20 10:19 ` Gerhard Wiesinger
2011-02-20 11:19 ` Jan Kiszka
2011-02-20 21:28 ` Arnd Bergmann
2011-02-21 6:12 ` Gerhard Wiesinger
2011-02-20 12:49 ` Gerhard Wiesinger
2011-02-20 14:15 ` Jan Kiszka
2011-02-20 15:19 ` Gerhard Wiesinger
2011-02-20 17:39 ` Jan Kiszka
2011-02-20 20:03 ` Gerhard Wiesinger
2011-02-20 21:33 ` Arnd Bergmann [this message]
2011-02-21 6:40 ` Gerhard Wiesinger
2011-02-21 8:44 ` Jan Kiszka
2011-02-21 12:07 ` Arnd Bergmann
2011-02-23 6:38 ` Gerhard Wiesinger
2011-02-23 12:53 ` Jan Kiszka
2011-02-24 6:49 ` Gerhard Wiesinger
2011-02-24 7:50 ` Jan Kiszka
2011-02-24 8:00 ` Arnd Bergmann
2011-02-23 14:47 ` Arnd Bergmann
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