
2-28 TN3270 Design and Implementation Guide
When you use the pu command, you enter PU configuration mode and can use all other commands in this task
list. Configuration values you enter in PU configuration mode override other values entered while in TN3270
configurationmode. Inaddition, youcan enterPU configurationmode fromthe DLUR configuration mode when
configuring PUs that are connected by means of DLUR.
If you are configuring PUs for directly connected hosts,you need not perform any additional configuration tasks.
Configuring DLUR Parameters
Configuring DLUR parameters is required when if you configure DLUR connected hosts. To configure DLUR
parameters for the TN3270 Server, perform the following tasks (Table 2-9) beginning in TN3270 configuration
mode:
Configuring SAPs under DLUR
To configure SAPs under the DLUR function, perform the following tasks (Table 2-10) beginning in DLUR
configuration mode:
(Optional) Specify whether the TN3270 session
will disconnect when an UNBIND command is
received. This command is also available in
TN3270 configuration mode.
unbind-action {keep | disconnect}
(Optional) Select whether “leftover” LUs can be
used from a generic LU pool. This command is
also available in TN3270 configuration mode.
generic-pool {permit | deny}
Table 2-9 DLUR Configuration Tasks
Task Command
Create a DLUR function in the TN3270 Server
and enter DLUR configuration mode.
dlur fq-cpname fq-dlusname
(Optional) Specify the fallback choice for the
DLUR DLUS.
dlus-backup dlusname2
(Optional) Specify the preferred network node
(NN) server.
preferred-nnserver NNserver
Table 2-10 DLUR SAP Configuration Tasks
Task Command
Create a SAP function under DLUR and enter
DLUR SAP configuration mode.
lsap type adapno [lsap]
(Optional) Identify an APPN virtual routing
node.
vrn vrn-name
(Optional) Create named links to hosts. A link
should be configured to each potential NN
server. (The alternative is to configure the NN
servers to connect to DLUR.) If virtual routing
node is used it is not necessary to configure links
to other hosts. Do not configure multiple links
to the same host.
link name [rmac rmac] [rsap rsap]
Table 2-8 PU Configuration Tasks
Task Command
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