Hi Michael, Thank you for your answer. I've tested with static IP and I can not It seems that iPXE inside VirtualBox is not receiving the packets even if I can see the packets on the host machine.
>From the OpenWRT after I've set the IP: root@MiniMot:~# ping 192.168.1.116 PING 192.168.1.116 (192.168.1.116): 56 data bytes ^C --- 192.168.1.116 ping statistics --- 4 packets transmitted, 0 packets received, 100% packet loss root@MiniMot:~# arp|egrep '192.168.1.116|IP' IP address HW type Flags HW address Mask Device 192.168.1.116 0x1 0x0 08:00:27:b0:ff:0f * br-lan root@MiniMot:~# The capture is done from the OpenWRT router (that has the dnsmasq with TFTP and DHCP server) with the following command: tcpdump -w iPXE-DHCP-problem-2.cap ether host 08:00:27:b0:ff:0f On Thu, May 5, 2011 at 1:45 PM, Michael Brown <[email protected]> wrote: > On Thursday 05 May 2011 04:09:36 Mircea Vutcovici wrote: >> I am trying to use iPXE in a VM running in VirtualBox. The problem is >> that iPXE can not get DHCP. >> I am using the latest version of iPXE >> (b6cad3c0eb72e99d8ae5e6944ec8e9b7c5acecfa) VirtualBox 4.0.6 r71344 >> Ubuntu 11.4 64bit >> The DHCP/tftp server is OpenWRT Backfire (10.03.1-rc4, r24045) >> dnsmasq --version >> Dnsmasq version 2.55 Copyright (c) 2000-2010 Simon Kelley >> Compile time options IPv6 GNU-getopt no-DBus no-I18N DHCP TFTP >> >> Here is the dnsmasq configuration (I've removed dhcp-host entries): >> /usr/sbin/dnsmasq -K -D -f -y -Z -b -E --enable-tftp -s lan -S /lan/ >> -l /tmp/dhcp.leases -r /tmp/resolv.conf.auto --tftp-root /tftproot >> --dhcp-boot undionly.kkpxe --stop-dns-rebind >> --dhcp-range=lan,192.168.1.100,192.168.1.250,255.255.255.0,12h -2 >> 'eth1' >> >> Attached is the capture made with: >> tshark -w /tmp/iPXE-DHCP-problem.cap -pi eth1 port bootpc or port tftp >> >> If I boot from a physical computer, I have no problems. I do not >> understand why iPXE is not receiving the DHCP responses. > > I can tell from the packet trace that iPXE's DHCP client believes that it > hasn't received any DHCPOFFERs, since bits 0 and 1 of the "secs" field are > always zero. (Inspired by this, I've also just added code that will enable me > to tell from a packet trace whether or not iPXE has received any packets at > all.) > > There are some helpful hints (some of which are new) on the relevant error > page: > > http://ipxe.org/4c106035 > > What does "ifstat" show after the failed DHCP attempt? > > What happens if you try a static IP address? > > Michael >
<<attachment: Screenshot-PXE [Running] - Oracle VM VirtualBox.png>>
iPXE-DHCP-problem-2.cap
Description: application/extension-cap
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