Todd and Margo Chester wrote: > Dear Centos-Virt: > > This is actually a second request for help on the > same issue. I finally got to try what several > months ago was replayed to me and no joy was to > be had. I am afraid the original thread got stale > and also had extra, unnecessary data in it. > > Guest=XP Pro, SP2 > Host=CentOS5; # uname -r; 2.6.18-8.1.15.el5 > > VirtualBox-1.5.0_24069_rhel5-2.i586.rpm > http://www.virtualbox.org/download/1.5.0/VirtualBox-1.5.0_24069_rhel5-1.i586.rpm.run > > > I have two nic: eth0 is the internal network; eth1 connects to a DSL modem. > > I also have a fully functioning DHCP server on eth0 (works perfectly > with Parallels for Linux). > > The directions (from hell): > http://www.virtualbox.org/download/UserManual.pdf > > I am trying to set up a "host interface" network between > my XP guest and my Linux host (eth0). I do believe I FINALLY have it figured out. I wrote myself the following how to. Please feel free to clean it up and make it into an "Official CentOS 5 How To". The only problem I have left is that the Guest XP can not browse the Host's Samba server by SMB name (IP works fine) -T ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ T's CentOS 5 -- Virtual Box "Host Networking" bridge setup: Note: a lot of this is taken from (with lots of refinements): http://www.linuxweblog.com/virtualbox-host-networking iptables: after creating br0 at etho's expense, you have to change all references to "eth0" in your firewall to "br0" br0: will become the internal interface and have a "Fixed" (static) IP address of 192.168.255.10 Support software (required); "VBoxAddIF" from Virtual Basic bridge-utils: yum install bridge-utils ftp://ftp.pbone.net/mirror/ftp.centos.org/5.0/os/i386/CentOS/bridge-utils-1.1-2.i386.rpm ~~~~~~~~~~~~~~ /etc/rc.d/rc.local ~~~~~~~~~~~~~~~ # Set permissions on /dev/net/tun such that Virtual Box can use it /bin/chmod 0666 /dev/net/tun /bin/chmod 777 /dev/vboxdrv # Restart the firewall /etc/{iamnottellingyou} ~~~ /etc/sysconfig/network-scripts/ifcfg-eth0 ~~~ DEVICE=eth0 TYPE=Ethernet ONBOOT=yes USERCTL=yes IPV6INIT=no PEERDNS=no BRIDGE=br0 ONBOOT=yes PROMISC=yes ~~~ /etc/sysconfig/network-scripts/ifcfg-br0 ~~~ DEVICE=br0 TYPE=Bridge BOOTPROTO=static BROADCAST=192.168.255.255 IPADDR=192.168.255.10 NETMASK=255.255.255.0 NETWORK=192.168.255.0 GATEWAY=192.168.255.10 ONBOOT=yes USERCTL=yes IPV6INIT=no PEERDNS=no PROMISC=yes ~~~ /etc/sysconfig/network-scripts/ifcfg-br0 ~~~ IPADDR=0.0.0.0 PROMISC=yes ~~~~~~~~ Initial and permanent setup ~~~~~~~~~~~ #! /bin/bash # load the tun module modprobe tunvi chmod 666 /dev/net/tun # Create a new bridge and add the interfaces to the bridge. brctl addbr br0 brctl addif br0 eth0 /usr/bin/VBoxDeleteIF vbox0 /usr/bin/VBoxAddIF vbox0 tony br0 brctl addif br0 vbox0 # Bring up eth0 and vbox0 in promiscuous mode # Commended out as it should be handles in "network-scripts" #ifconfig eth0 promisc #ifconfig vbox0 0.0.0.0 promisc brctl addif br0 vbox0 # Now reboot (restarting networking doesn't work) echo "Now reboot. (I have no idea why)"