Have you ever been perplexed on the best way to configure AIX Networking?
Here are some of the Faq’s regarding AIX Networking
How do I record packets received or transmitted?
To record packets coming in and going out to any host on every interface, enter:
iptrace /tmp/nettrace
The trace information is placed in the /tmp/nettrace file.
To record packets received on an interface en0 from a remote host airmail over the Telnet port, enter:
iptrace -i en0 -p telnet -s airmail /tmp/telnet.trace
The trace information is placed in the /tmp/telnet.trace file.
How do I display routing table, interface, and protocol information?
To display routing table information for an Internet interface, type:
netstat -r -f inet
To display interface information for an Internet interface, type:
netstat -i -f inet
To display statistics for each protocol, type:
netstat -s -f inet
How do I deactivate a network interface?
For example, to deactivate the network interface tr0, run the command:
ifconfig tr0 down
How do I activate a network interface?
To activate the network interface tr0, run the command:
ifconfig tr0 up
How do I identify the network interfaces on my server?
Either of the following two commands will display the network interfaces:
lsdev -Cc if
ifconfig -a
To get information about one specific network interface, for example, tr0, run the command:
ifconfig tr0
How do I get the IP address of my machine?
Type one of the following commands:
ifconfig -a
host Fully_Qualified_Host_Name
For example, type the following command to get the IP address of the machine cyclop.austin.ibm.com:
host cyclop.austin.ibm.com
How can I display or set values for network parameters?
The no command sets or displays current or next boot values for network tuning parameters.
To display the maximum size of the mbuf pool, type:
no -o thewall
To change the default socket buffer sizes on your system, type:
no -r -o tcp_sendspace=32768
no -r -o udp_recvspace=32768
To use a system as an Internet work router over the Internet Protocol networks, type:
no -o ipforwarding=1
To list the current and reboot value, range, unit, type and dependencies of all tunable parameters that are managed by the no command, type:
no -L
AIX Networking FAQ
AIX Networking