Sunday, December 11, 2011

Network Related commands in AIX

host  Resolves ip to host name (from /etc/hosts file)

host ibm                 Resolve ibm to ip address (from /etc/hosts file)

hostname ibm      To change the host name to ibm

entstat en0         To the status of ethernet device en0

entstat -d en0     To list the detailed status of device en0

no -a                  To list all net configurable attributes and their values

no -d thewall      To change thewall parameter to its default value

no -o ipforwarding=1   To make the machine as router in tcpip networks

traceroute ibm            To trace the route to ibm

ping ibm                     To tcp ping to the machine ibm

ifconfig -a                  To show the status of all network interfaces

ifconfig en0                To show the status of en0

ifconfig en0 up           Turns on network card en0

ifconfig en0 down       Turns off network card en0
ifconfig en0 detach     Removes en0 card from the network interface list

ifconfig en0 inet netmask up     configure en0 and starts immediately

mktcpip -h ibm -a -m -i en0  assign hostname as ibm, IP as subnetmask to en0 interface

ifconfig en0 alias   Create alias ip address for en0

route add 0          
To make as default gateway for entire network

route add   To make 13.7 as gateway for 12.0 network

route -f                To clear the gateway table

chdev -l inet0 -a hostname=ibm    To change the host name to ibm permanently

netstat -a                To show the state of all sockets

netstat -c                 To show the network buffers cache

netstat -D                To show the net drops of packets

netstat -i               To display interface statistics

netstat -r               To show the routing table

netstat -rn             To show routing table (ip will be given instead of host names)

netstat -s                 To show the statistics of the protocols

netstat -s -p <>      To show the statistics of respective protocols