21
Troubleshooting the Network Connection
See
Troubleshooting in the User’s Guide for additional troubleshooting information.
1. Check the Network LMI Reported DLCIs screen to verify that the DLCI status
is Active.
Main Menu
→
Status
→
LMI Reported DLCIs
If inactive, the far-end unit may be down.
2. Check the network Frame Relay Performance Statistics screen to verify that there
are no LMI errors.
Main Menu
→
Status
→
Performance Statistics
→
Frame Relay
→
Net1-FR1
3. Run a Connectivity test to see if the unit at the other end of the multiplexed PVC is
active.
Main Menu
→
Test
→
Network PVC Tests
– If RndTrip Time (ms) appears, along with the number of milliseconds it took to
receive a response, the unit at the remote end is connected and operational. Go
to Step 3.
– If a response is not received within 5 seconds and No Response is reported,
refer to
Frame Relay PVC Problems in Troubleshooting of the User’s Guide.
4. Put the central site into PVC Loopback, taking frames from the PVC and looping
them back.
Main Menu
→
Test
→
Network PVC Tests
→
[DLCI Number]
→
PVC Loopback
→
Start
5. On the remote site unit, send a pattern over the network interface and monitor it.
Main Menu
→
Test
→
Network PVC Tests
→
[DLCI Number]
→
Send Pattern
→
Start
Monitor Pattern
→
Start
– If there are few or no errors, the unit at the remote end is connected and
operational.
– If 5 packets out of 25 are missing or out of sequence and Out of Sync is
reported, refer to the
Device Messages in Troubleshooting of the User’s Guide
for additional information.
– If sequence errors occur, verify that the local and remote network and data port
DLCIs are configured with the same CIR.
See
Displaying System Information in the User’s Guide for additional message
information.
If setting up a FrameSaver 9124, 9126, or 9128, proceed to
Connecting to the DSX
(9124, 9126, or 9128 Only) on page 22. If setting up a FrameSaver 9624, proceed to
Connecting to the DTE on page 23.
