Daniel de Kok wrote: > On Sun, 2007-09-02 at 16:49 -0700, Todd and Margo Chester wrote: >> 1) "br0" does not resolve with my DHCP server: "No >> DHCPOFFERS received" > > [snip] > > Why not do this one step at a time, and get bridging working first? > >> 2) /etc/sysconfig/network-scripts/ifcfg-br0: >> DEVICE=br0 >> TYPE=Bridge >> BOOTPROTO=dhcp >> ONBOOT=yes > > Looks ok. > >> 3) /etc/sysconfig/network-scripts/ifcfg-eth0 >> DEVICE=eth0 >> TYPE=Ethernet >> 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 >> IPV6ADDR= >> IPV6PREFIX= >> ONBOOT=yes >> USERCTL=yes >> IPV6INIT=no >> PEERDNS=no >> BRIDGE=br0 Do you want me to remove the "BRIDGE=br0" from "ifcfg-eth0"? > > But this doesn't. An ethernet bridge ties together multiple ethernets to > give the "illusion" that it is one ethernet. An interface that is added > to the bridge is just a bridge port. The configuration for the NIC > should simply add it to the bridge, e.g.: > > --- > DEVICE=eth0 > TYPE=ETHER > BRIDGE=br0 > ONBOOT=yes > --- > > The resulting bridge device (br0) is the interface to the new ethernet. > So, if you want to give it a static IP address, do it in the bridge > configuration. A quick example: > > /etc/sysconfig/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 > ONBOOT=yes > USERCTL=yes > IPV6INIT=no > PEERDNS=no > ONBOOT=yes > --- The static address is the same as my ifcfg-eth0's static address. Is this on purpose? > > Once that works, continue with the other stuff :). > > -- Daniel > > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt >