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Establishing the LAN adapter number

 

For channels to work successfully across NetBIOS, the adapter support at each end must be compatible. WebSphere MQ allows you to control the choice of LAN adapter (LANA) number by using the AdapterNum value in the NETBIOS stanza of your qm.ini file or the Windows registry and by specifying the -a parameter on the runmqlsr command.

The default LAN adapter number used by WebSphere MQ for NetBIOS connections is 0. Verify the number being used on your system as follows:

On Windows, it is not possible to query the LAN adapter number directly through the operating system. Instead, you use the LANACFG.EXE command line utility, available from Microsoft. The output of the tool shows the virtual LAN adapter numbers and their effective bindings. For further information on LAN adapter numbers, see the Microsoft Knowledge Base article 138037 HOWTO: Use LANA Numbers in a 32-bit Environment.

Specify the correct value in the NETBIOS stanza of the queue manager configuration file, qm.ini, or the Windows registry:

      NETBIOS:
        AdapterNum=n

where n is the correct LAN adapter number for this system.

 

Parent topic:

Defining a NetBIOS connection

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