Date: Sat, 05 Dec 2009 21:53:36 +0100 From: Fredrik Lindberg <fli@shapeshifter.se> To: Tobias Grosser <grosser@fim.uni-passau.de> Cc: freebsd-emulation@freebsd.org Subject: Re: Bridged networking does not work on em0 / 8.0 Message-ID: <4B1AC850.2080007@shapeshifter.se> In-Reply-To: <1260009563.2336.718.camel@tobilaptop.fritz.box> References: <1260009563.2336.718.camel@tobilaptop.fritz.box>
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Tobias Grosser wrote: > Hi, > > I am trying to use VirtualBox since a while, however bridged networking > never worked, even it is supposed to do so. > > My Host is: FreeBSD 8.0 / RELENG, 32bit, em0 ethernet > > I use a Knoppix LiveCD as a guest OS (also tried with debian and > Windows) > > When I try to get an IP using DHCP the request is sent out to my router > and is returned to my freebsd host. > > tcpdump on em0 on the FreeBSD host: > > 11:30:35.614121 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, > Request from 08:00:27:25:17:97 (oui Unknown), length 300 > 11:30:35.614131 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, > Request from 08:00:27:25:17:97 (oui Unknown), length 300 > 11:30:36.621477 IP fritz.box.bootps > 255.255.255.255.bootpc: > BOOTP/DHCP, Reply, length 548 > > However it never appears back at my linux guest > > tcpdump on eth0 on the linux guest: > > 11:30:34.008830 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, > Request from 08:00:27:25:17:97 (oui Unknown), length 300 > 11:30:43.004510 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, > Request from 08:00:27:25:17:97 (oui Unknown), length 300 > 11:30:58.015919 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, > Request from 08:00:27:25:17:97 (oui Unknown), length 300 > > There seems also to be some kind of packet duplication, as the packet > sent at 11:30:34 appears twice in the tcpdump of the FreeBSD host. > > Any ideas how to debug this? > What is the output of ngctl list while the guest is running? Fredrik
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