On Wednesday December 13 2006 16:40, Rick Stevens wrote: > On Wed, 2006-12-13 at 13:17 -0800, Mike Wright wrote: > > Terry Polzin wrote: > > > Does anyone still use this? > > > Is it compiled into the default kernel? > > > > It is very easy to add address(es) to an interface. From the command > > line you could use the "ip" command to manipulate network devices. You > > can also add routes and bring devices up and down, change their MAC, and > > many other fun things. > > > > ip addr add 1.2.3.4/24 dev eth5 > > ip addr add 2.3.4.5/16 dev eth5 > > ip addr add 3.4.5.6/8 dev eth5 > > > > You would now have 3 addresses on different width subnets on one network > > device. > > > > Its man page is very terse but gives a very good idea of its power. > > You can also create /etc/sysconfig/network-script/ifcfg-ethX:n > files to add aliases. Set them up like the original ifcfg-ethX > file, just change the "DEVICE", "IPADDR" and "NETMASK" stuff as > appropriate. You don't want any "HWADDR" or "GATEWAY" entries in > the aliases. Examples: > > /etc/sysconfig/network-scripts/ifcfg-eth0: > DEVICE=eth0 > BOOTPROTO=static > HWADDR=ZZ:YY:XX:WW:VV:UU > IPADDR=aaa.bbb.ccc.ddd > IPV6ADDR= > IPV6PREFIX= > NETMASK=255.255.255.0 > ONBOOT=yes > > /etc/sysconfig/network-scripts/ifcfg-eth0:0 > DEVICE=eth0:0 > BOOTPROTO=static > IPADDR=eee.fff.ggg.hhh > IPV6ADDR= > IPV6PREFIX= > NETMASK=255.255.255.0 > ONBOOT=yes Thanks for all the replies, last time I did this was with a 2.2 kernel, so it's been a while.
