Network Information
===================
    
Public domain
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    #!/bin/bash

    ### Network interfaces and IP Addresses ###
    NICs=$(ifconfig | grep "Link encap:" | awk '{print $1}')
    for NIC in $NICs; do
            IP=$(ifconfig $NIC| grep "inet addr:" | awk '{print $2}' | cut -c6-)
            printf "$NIC : \t $IP \n"
    done

    ### Default gateway IP and interface ###
    GWIP=$(route -n | sed -ne 's,^0.0.0.0,,'p | awk '{print $1}')
    GWIF=$(route -n | sed -ne 's,^0.0.0.0,,'p | awk '{print $7}')
    printf "GW : \t $GWIP - ($GWIF) \n"

    ### DNS servers ###
    DNSs=$(cat /etc/resolv.conf | grep "nameserver" | awk '{print $2}')
    for DNS in $DNSs; do
            printf "DNS : \t $DNS \n"
    done
    
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_BY: Pejman Moghadam_  
_TAG: bash, bash-script_  
_DATE: 2007-11-27 00:16:43_