June 2007 Using Windows online diagnostic tools
1005r Server Maintenance and Diagnostics 57
The netstat command
The netstat command displays current TCP/IP network connections and
protocol statistics.
Netstat command syntax
The netstat command uses the following syntax:
netstat [-a] [-e] [-n] [-s] [-p proto] [-r] [interval]
netstat command parameters
Table 9: netstat command parameters
Parameter Description
-a Displays all connections and listening ports.
-e Displays Ethernet statistics. This can be combined with
the -s option.
-n Displays addresses and port numbers in numeric form.
-s Displays statistics for each protocol.
-p proto Shows connections for the protocol specified by proto.
Proto can be tcp or udp. If used with the -s option, proto
can be tcp, udp, or ip.
-r Displays the contents of the routing table.
interval Redisplays selected statistics, pausing between each
display. Press Ctrl+C to stop redisplaying.