Windows 2000 Administration in a Nutshell

Name

nbtstat

Synopsis

Displays statistics and current connections for NetBT (NetBIOS over TCP/IP).

Syntax

nbtstat [ [-a computername] [-A IPaddress] [-c] [-n] [-r] [-R] [-RR] [-s] 
[-S] [interval] ]

Options

-a computername

Displays the NBT name table on the specified remote computer.

-A IPaddress

Same as -a except that IP address of remote computer is used.

-c

Displays contents of NetBIOS name cache on local machine. This shows the NetBIOS names on the network that have been successfully resolved into IP addresses.

-n

Lists the NetBIOS names registered by the local machine. The “registered” field shows whether the name has been registered using broadcasts (B-node) or WINS servers (other node types).

-r

Displays statistics for NetBIOS name resolution on the local machine.

-R

Purges all NetBIOS name-to-IP address mappings from the local NetBIOS name cache and then preloads mappings from the lmhosts file that have the #PRE specifier.

-RR

Releases and refreshes all NetBIOS names for the local machine (new to Windows 2000).

-s

Shows all current NetBIOS sessions, listing remote computers by NetBIOS names.

-S

Shows all current NetBIOS sessions, listing remote computers by IP addresses.

interval

Causes the output to be refreshed every interval seconds until Ctrl-C is pressed.

Examples

Purge NetBIOS name-to-IP address mappings in the local NBT name cache:

                     nbtstat -R
Successful purge and preload of the NBT Remote Cache Name Table.

View the local NBT cache:

                     nbtstat -c Local Area Connection: Node IpAddress: ...