
Configuring DLSw Services
C-16 114063 Rev. A
Frame rejects cause
session failures.
1. Endstation MAXIN
parameter smaller than
wfLlcInterfaceTw
2. MTU received is too large
for configuration
3. T1 timer too short for long
WAN delays
1. Verify the configuration
of the endstation and check
the configured LLC window
sizes.
2. Increase the
wfLlcInterfaceMaxMtu
variable to larger than the
possible data size.
3. Increase the
wfLlcinterfaceTAckWait
setting to avoid timeouts.
The router is sending RNRs. Mismatch of SDLC link
station interface MAXOUT
parameter
Edit the MAXOUT
parameter setting.
The DLS interface
configured for SDLC does
not come up.
Improper cabling Install correct cable(s).
Refer to the “Verifying the
WAN Cabling” section later
in this appendix.
An IBM AS/400 cannot
connect to another AS/400.
Using SAP 0 for SSAP on
test frames
Configure SAP 0 in the
DLSw SAP configuration.
Table C-4. Common DLSw Problems
(continued)
Problem Possible Cause Action/Solution
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