Duplicate network address: In an LU-LU session initiation
request, one of the specified LUs has a duplicate network address
already in use. This error can be caused by a mismatch between the
CDRM and NCP gateway NAU subarea/element definitions.
Bytes 2 and 3 following the sense code contain sense-code-specific
information.
- 0000
- The SSCP of the DLU determines that the OLU network address specified
in the CDINIT request is a duplicate of an LU network address assigned
to a different LU name.
VTAM® Information: When VTAM receives this sense code for
a session initiation, it continues searching through the adjacent
SSCP table until the destination LU is found or routing is exhausted.
- 0001
- A duplicate SLU address is found during session initiation.
- 0002
- A duplicate PLU address is found during session initiation.
- 0003
- An SSCP finds a duplicate network address for the DLU on the OLU
side of the gateway.
- 0004
- An SSCP finds a duplicate network address for the DLU on the DLU
side of the gateway.
- 0005
- An SSCP finds a duplicate network address for the OLU on the OLU
side of the gateway.
- 0006
- An SSCP finds a duplicate network address for the OLU on the DLU
side of the gateway.
VTAM hint: Possible
causes of this error include, but are not limited to, the following
ones:
- A gateway NCP freed a network address before VTAM is finished with it. To diagnose the problem,
first identify which LU has the network address and determine why
NCP thinks it is freed. This will require looking at both a VTAM dump and a VTAM internal trace. Find the failing SRTA in
the trace; it usually precedes the CPRC. From there, you can identify
the LU. Most likely, there will be a SIB queued to the LU. This will
provide some information about why the network address is still in
use.
- There is a mismatch between the VTAM CDRM
definitions for a null network attached user and the user gateway
NCP GWNAU statements.
For example, this VTAM has a CDRM definition for ADJNETEL=2, but
the user gateway NCP does not have a GWNAU statement for ELEMENT=2.
The problem is intermittent because the gateway NCP assigns element
numbers randomly.
- There are gateway NCPs sharing the same subarea in the same null
network.
- 0008
- An ACTCDRM request was received that contained a network address
already in use.