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TN3270 Server Implementation 2-29

Conﬁguring PUs under DLUR

This task is required when conﬁguring DLUR connected hosts. To conﬁgure PUs under the DLUR function,

perform the following tasks (Table 2-11) beginning in DLUR conﬁguration mode:

Note: The pu command entered in DLUR conﬁguration mode has different parameters than when it is entered

from TN3270 conﬁguration mode.

Conﬁguring LU Nailing (Optional)

To conﬁgure LU nailing, perform the following task (Task 2-12) in TN3270 PU conﬁguration mode:

The client command allows a client with multiple TN3270 connections from the same IP address to nail their

screen connections to LUs that are conﬁgured as screen LUs at the host and to nail printer connections to LUs

that are conﬁgured as printers at the host. When the connection is made, a device type of “328*” is matched to

a printer deﬁnition, and any other device type is matched to a screen deﬁnition.

Creating a Pool of Static LUs Using LU Nailing

Unlike dynamic pools, the deﬁnition of static LUs does not allow LU pooling. Static LUs require the client to

address the LU by name. To work around this problem, static LUs can be deﬁned with a client IP statement that

allows any user to access any LU. This parameter turns the static LUs into a pool of LUs.

In the following example, all clients in subnet 10.1.1.0 are assigned an LU in the range between LOCADDR 1

and 255:

PU PU1 0CB00001 10.8.8.8 token-adapter 0 48

CLIENT IP 10.1.1.0 255.255.255.0 LU 1 255

LU nailing also limitsaccess tothe TN3270 Server to a speciﬁc network.For example,if allthe PUs speciﬁed use

the “CLIENT IP 148.149.0.0 255.255.0.0 LU 1 255” command, then only clients on this speciﬁc network

(148.149.0.0) have access to those PUs deﬁned on the TN3270 Server.

Table 2-11 DLUR PU Conﬁguration Tasks

Task Command

Create a PU function under DLUR and enter PU

conﬁguration mode.

pu pu-name idblk-idnum ip-address

Assign a TCP port other than the default of 23. tcp-port port-nbr

Specify the idle time for server disconnect. idle-time num-of-seconds

Specify the maximum time allowed between

keepalive marks before the server disconnects.

keepalive num-of-seconds

Specify whether the TN3270 session will

disconnect when an UNBIND command is

received.

unbind-action {keep | disconnect}

Select whether “left over” LUs can be used from

a generic LU pool.

generic-pool {permit | deny}

Table 2-12 LU Nailing Conﬁguration Tasks

Task Command

Conﬁgure the IP address and nail type

and specify the LOCADDR range.

client [printer] ip ip-address [mask] lu ﬁrst-locaddr

[last-locaddr]

1 2 ... 24 25 26 27 28 29 30

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