TN3270 Configuration Task List

Configure TN3270 Server

This task is required. To establish a TN3270 server on the internal LAN interface on the CIP, perform the following tasks beginning in global configuration mode:

Task

Command

Select the channel attach internal LAN interface

interface channel slot/2

and enter interface configuration mode.

 

 

 

Specify a TN3270 server on the internal LAN

tn3270-server

interface and enter TN3270 configuration mode.

 

 

 

(Optional) Configure maximum number of LUs

maximum-lusmax-number-of-lu-allocated

allowed.

 

 

 

(Optional) Configure transmission of a WILL

timing-mark

TIMING-MARK.

 

 

 

(Optional) Assign a TCP port other than the default

tcp-port port-nbr

of 23. This command is also available in PU

 

configuration mode.

 

 

 

(Optional) Specify the idle time for server

idle-timenum-of-seconds

disconnect. This command is also available in PU

 

configuration mode.

 

 

 

(Optional) Specify the maximum time allowed

keepalive num-of-seconds

between keepalive marks before the server

 

disconnects. This command is also available in PU

 

configuration mode.

 

 

 

(Optional) Specify whether the TN3270 session

unbind-action{keep disconnect}

will disconnect when an UNBIND command is

 

received. This command is also available in PU

 

configuration mode.

 

 

 

(Optional) Select whether “left-over” LUs can be

generic-pool {permit deny}

used from a generic LU pool. This command is also

 

available in PU configuration mode.

 

 

 

When you use the tn3270-servercommand, you enter TN3270 configuration mode and can use all other commands in the task list. You can later override many configuration values you enter in TN3270 configuration mode from PU configuration mode. On IBM host systems, these types of commands are often referred to as “sift down” commands because their values can sift down through several levels of configuration and can be optionally altered at each configuration level.

Configure PU Parameters on the TN3270 Server

This task is required when configuring PUs that do not use the SNA Session Switch feature. To configure PU parameters for the TN3270 server, perform the following tasks beginning in TN3270 configuration mode.

Task

Command

Enter PU configuration mode and create or delete

pu pu-name idblk-idnum ip-address type adapno

PUs with direct host links.

lsap [rmac rmac] [rsap rsap] [lu-seed

 

lu-name-stem]

 

 

(Optional) Assign a TCP port other than the default

tcp-port port-nbr

of 23. This command is also available in TN3270

 

configuration mode.

 

 

 

14Configuring TN3270 Server on the Channel Interface Processor

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Cisco Systems 11.0 BT manual Configure TN3270 Server, Configure PU Parameters on the TN3270 Server