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Troubleshooting
8-6
9820-A2-GB20-20
June 2000
Viewing Captured Packets from the Menu-Driven User Interface
The twelve most recent LMI events are stored in the trace log. Once the capture
buffer or trace log is full, the oldest packets are overwritten. To view the most
recently captured packets using the menu-driven user interface:
LMI Packet Capture Utility
→
Display LMI Trace Log
LMI Trace Log Example
main/control/lmi_capture/display_log 9820-2M
Device Name: Node A 5/13/2000 6:01
LMI TRACE LOG Page 1 of 3
Packets Transmitted to Net1-FR!
Packets Received from Net1-FR1
LMI Record #1 at 0 s
Status Enquiry Message, 13 bytes
LMI Type is Standard on DLCI 1023
Sequence Number Exchange
Send Seq #181, Rcv Seq #177
LMI Record #2 at 0 s
Status Enquiry Message, 13 bytes
LMI Type is Standard on DLCI 1023
Sequence Number Exchange
Send Seq #181, Rcv Seq #177
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Ctrl-a to access these functions, ESC for previous menu M
ainMenu Exit
R
efresh PgUp PgDn
Select Refresh to update the screen with the twelve most recently collected LMI
messages.
The following information is provided:
H The internal LMI record number assigned to the packet (1–8000), and the
amount of time the utility was running when the packet was captured.
The maximum amount of time displayed is 4,294,967 seconds (s), which is
reset to 1 second when this amount of time is exceeded.
H The type of message, either Status or Status Enquiry, from the captured
packet, and the number of bytes in the packet.
H The LMI Type identified in the Protocol Discriminator portion of the captured
packet, and the DLCI number for the packet.
H The type of information contained in the captured packet, either Sequence
Number Exchange or Full Status Report.
H The send and receive (rcv) sequence numbers from the captured packet
(0–255).
H On the Packets Received side of the screen, PVC status for up to ten DLCIs
can be shown. It shows the DLCI number, its active bit status, and if Standard
LMI is running, the DLCI’s CIR value.