Load the IP Alias module (you can skip this step if you compiled the module into the kernel):
/sbin/insmod /lib/modules/`uname -r`/ipv4/ip_alias.o
Setup the loopback, eth0, and all the IP addresses beginning with the main IP address for the eth0 interface:
for example:
/sbin/ifconfig lo 127.0.0.1 /sbin/ifconfig eth0 up /sbin/ifconfig eth0 172.16.3.1 /sbin/ifconfig eth0:0 172.16.3.10 /sbin/ifconfig eth0:1 172.16.3.100
Setup the routes. First route the loopback, then the net, and finally, the various IP addresses starting with the default (originally allocated) one:
/sbin/route add -net 127.0.0.0 /sbin/route add -net 172.16.3.0 dev eth0 /sbin/route add -host 172.16.3.1 dev eth0 /sbin/route add -host 172.16.3.10 dev eth0:0 /sbin/route add -host 172.16.3.100 dev eth0:1 /sbin/route add default gw 172.16.3.200
Enjoy, Ravi
Ravi Kumar Munnangi wrote:
I want to give more than one IP addresses to my NIC. For this we have to enable the feature of IP alias when configuring the kernel and recompile it. Is there any way to check if the option is already checked or not? My next question is, After reconfiguring and recompiling, how can I give IP addresses(aliases) to NIC? please tell me the commands to be used.
Ravi kumar
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