TCP/IP diagnostic commands

Use the TCP/IP diagnostic commands for displaying network configuration details, statistics and other information. These commands can be useful during problem determination.

Command Purpose
arp Display or modify IP-to-Ethernet or token ring physical address translation tables used by address resolution protocol (ARP).
hostname Display workstation host name. This command is available under UNIX System Services.
ifconfig Display all TCP/IP network configuration values. This is useful when determining whether or not an IP interface is active. (Linux operating systems only)
ipconfig Display all TCP/IP network configuration values. This is useful when determining whether or not an IP interface is active. (All operating systems except Linux)
netstat Display protocol statistics and TCP/IP network connections. This is used for obtaining information about your own IP interfaces, for example, listing IP addresses and TCP/IP routing tables used on your workstation. This command is available under UNIX System Services.
nslookup Display information on Domain Name System (DNS) name servers. This command is available under UNIX System Services.
ping Verify connection to a remote computer or computers. The equivalent command for IPv6 is ping6. This command is available under UNIX System Services.
tracert Trace TCP/IP path to a requested destination. This is useful for determining whether a problem exists with an intermediate node or not. The equivalent command for IPv6 is tracert6. (Windows operating systems only)
traceroute Trace TCP/IP path to a requested destination. This is useful for determining whether a problem exists with an intermediate node or not. (All operating systems except Windows)

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Timestamp icon Last updated: Tuesday, 19 November 2013


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