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Managing Connections › List Specific Connections

List Specific Connections

You can find a user’s connection by entering the user’s Telnet LU name or IP address in the LU Name or Foreign Host field (respectively) on a connection list criteria panel. By specifying an LU name or IP address, you can restrict a connection list to one particular host.

You can also limit the list by specifying an IP address mask (for example, 172.16.122.* or fe80:*), a Telnet LU name, or an application name mask.

For IPv4, you can specify a mask by using the asterisk (*) wildcard for an octet of the address (matching any number from 0 through 255). For example, a mask of 172.16.122.* matches 172.16.122.1 and 172.16.122.56.

Similarly, for IPv6, you can specify a mask by using the asterisk wildcard for a segment (matching any number from 0 through ffff).

You can specify the mask of a name by using the asterisk (*) and question mark (?) wildcards (* matches 0 or more characters, and ? matches exactly one character). For example, a mask of LU00* matches LU001 and LU0056, while a mask of LU00? matches LU001 and LU005, but does not match LU0056 because the ? matches exactly one character.

Find an LU Name

The LU name for your logon to a region appears on the right of the Primary Menu.

Some SNA applications also display the connected LU name on a panel in the application. A user can check any individual SNA application to find the LU name.

You can use the appropriate command for your application to display the LU name for the LU you are using. For example, for a CA NetMaster application, the SHOW USERS command displays LU names beside user IDs.

Find an IP Address

Many users call their help desk with a TCP/IP problem and do not know their IP address, particularly if they have implemented the Dynamic Host Configuration Protocol (DHCP) that can cause IP addresses to change from day to day.

You can ask users to find their IP address (for their help desk to specify in the Remote Host field on the TCP/IP : Connections menu) in the following ways:

To find your IP address on a Windows system

  1. Click Start, Run.

    The Run window appears.

  2. Type CMD and click OK.

    A command prompt window appears.

  3. Enter the command IPCONFIG.

    The TCP/IP Configuration appears, showing the current IP address and other information such as subnet mask and default gateway.

PC Application Help

Some PC applications provide an IP address in the Help menu. If you are using a PC application, find your IP address by selecting Help - About on your application menu. The displayed window may provide the IP address of your computer.