Unix and Linux IP Command Lines

LINUX :

Display Current Config for all NIC’s: ifconfig

Display Current Config for eth0: ifconfig eth0

Assign IP: ifconfig eth0 192.168.1.2

Assign IP/Subnet: ifconfig eth0 192.168.1.2 netmask 255.255.255.0

Assign Default Gateway: route add default gw 192.168.1.1

Assign multiple IP’s: ifconfig eth0:0 192.168.1.2

Assign second IP: ifconfig eth0:1 192.168.1.3

Disable network card: ifconfig eth0 down

Enable network card: ifconfig eth0 up

View current routing table: route “or” route -n

View arp cache: arp “or” arp -n

Ping: ping -c 3 192.168.1.1

Trace Route: traceroute www.ossmall.ro

Trace Path: tracepath www.ossmall.ro

DNS Test: host www.ossmall.ro

Advanced DNS Test: dig www.ossmall.ro

Reverse Lookup: host 66.11.119.69

Advanced Reverse Lookup: dig -x 66.197.47.84

UNIX :

 

Display Current Config for all NIC’s: ifconfig

Display Current Config for dc0: ifconfig dc0

Assign IP/Subnet: ifconfig dc0 inet 192.168.1.2 netmask 255.255.255.0

Assign Gateway: route delete default && route add default 192.168.1.1

Assign multiple IP’s: ifconfig dc0:0 192.168.1.2

Assign second IP: ifconfig dc0:1 192.168.1.3

Disable network card: ifconfig dc0 down

Enable network card: ifconfig dc0 up


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