Command line for Networking

Read this interesting article from Linux Journal 200th Issue of "Networking on the Command Line"

ifconfig is one of the utility discussed. It can be used to configure many aspects of networking. For example,

1. Using ifconfig to change and activate IP Address

# ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up

2. Using ifconfig to change netmas

# ifconfig eth0 netmask 255.255.255.0

3. Using ifconfig to change MTU

# ifconfig MTU 1500

4. Using ifconfig to change network promiscuous mode

# ifconfig promisc

For more information, do look at "man ifconfig"