Command Prompt Commands

A resource to remember cool commands in the command promt.

ipconfig /flushdns
Flushes DNS cache so that negative responses do not stay recorded.

ipconfig /release
ipconfig /renew
On a DHCP it releases and renews the IP address.
Use especially if there is an APIPA (169.254.x.y) address.

nbtstat -A
Gives the name of the computer on the network with that ip address. look up "nbstat /?"for more uses.

netstat (netstat -a)
Displays protocol statistics and current TCP/IP network connections.
(Displays all connections and listening ports).

tracert
Checks the routing of data between local network and destination. Will indicate if there is a timeout error on a routing hop.