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Chapter 5 165
Defining Connectivity Components
Defining DLUR PUs
For each DLUR PU on the local node, specify a PU
name. The name does not need to match the PU name
configured on the host.
DLUS Name
The fully qualified LU name of the host LU that
supports DLUS.
In order to use DLUR, the DLUR component of
SNAplus2 has to establish an LU-LU session with the
DLUS on the host.
Contact your SNA network planner to determine the
name of the host LU.
PU ID
The PU ID of the PU on the local node that supports
connectivity to the host. The PU ID comprises two
hexadecimal strings, one of three digits (known as the
block number), and one of 5 digits.
Each dependent LU is associated with a PU. Both the
PU and the LU are configured on the host computer.
For each PU, you need to define a DLUR PU on the
SNAplus2 node. The PU ID must match the PU ID
configured at the host for this PU.
In many cases the PU ID is the same as the node ID, so
the node ID is the default. However, if you need more
than 255 dependent LUs to access a specific host, you
need to configure multiple DLUR PUs, each with up to
255 dependent LUs, and each with a different PU ID.
If you are not sure how to set this field, consult your
SNA network planner.
In a VTAM configuration, the first three digits should
match the IDBLK parameter in the PU definition, and
the last five digits should match the IDNUM setting.
On an AS/400 system, the PU ID is configured in the
EXCHID parameter.
Initially active
Whether the DLUR PU is to be activated automatically
when the node is started. If you do not set this option,
the DLUR PU must be started manually.
Reactivate PU after failure