
Configuring DLSw Services
C-26 114063 Rev. A
SDLC does not connect to
the host computer.
1. SDLC interface not active
2. SDLC local devices not
configured properly
3. Source or destination
MAC address incorrect; if
LLC media is Ethernet, the
address needs to be in
non-canonical format
4. XID is incorrect
5. SDLC device configured
for NRZI
1. Check the configuration
to ensure SDLC interface
and connectivity.
2.Check the DLSw local
device configuration.
3. Verify that the MAC
address is correct; if the
LLC media is Ethernet, then
flip the address format.
4. Obtain correct XID
values.
5. Check the SDLC device
and set the Sync Line
Coding parameter.
The SDLC connection is up
and down.
1. Idle timeout too short for
some configurations
2.SDLC device configured
for half/full duplex
1. Increase the SDLC Idle
Line Timer parameter.
(wfSdlcPortAdminIdleTimer)
2. For physical line half
duplex, set the RTS Enable
parameter to Enable or set
wfSyncRtsEnable to 1; for
data link full duplex, set the
Primary Full Duplex
parameter to False or set
wfSdlcPortAdminPriFdplx
to 2.
Table C-11. SDLC Troubleshooting
(continued)
Problem Possible Cause Action/Solution
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