Use the debug frame-relay lmi command to determine whether the router and the Frame
Relay switch are sending and receiving LMI packets properly. Example 8-5 shows the
output associated with this command.
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Sent 113100 Num Status msgs Rcvd
Table 8-5 show frame-relay lmi Fields
Field Description
LMI Type Signaling or LMI speci?¬?cation; options are Cisco, ANSI, or ITU-T
Num Status Enq. Sent Number of LMI status inquiry messages sent
Num Status Msgs
Rcvd
Number of LMI status messages received
Example 8-5 Con?¬?rming LMI Packet Traf?¬?c Delivery/Receipt with the debug frame-relay
lmi Command
RouterX# ddeebbuugg ffrraammee--rreellaayy llmmii
Frame Relay LMI debugging is on
Displaying all Frame Relay LMI data
RouterX#
1w2d: Serial0(out): StEnq, myseq 140, yourseen 139, DTE up
1w2d: datagramstart = 0xE008EC, datagramsize = 13
1w2d: FR encap = 0xFCF10309
1w2d: 00 75 01 01 01 03 02 8C 8B
1w2d:
1w2d: Serial0(in): Status, myseq 140
1w2d: RT IE 1, length 1, type 1
1w2d: KA IE 3, length 2, yourseq 140, myseq 140
1w2d: Serial0(out): StEnq, myseq 141, yourseen 140, DTE up
1w2d: datagramstart = 0xE008EC, datagramsize = 13
1w2d: FR encap = 0xFCF10309
1w2d: 00 75 01 01 01 03 02 8D 8C
1w2d:
1w2d: Serial0(in): Status, myseq 142
1w2d: RT IE 1, length 1, type 0
1w2d: KA IE 3, length 2, yourseq 142, myseq 142
1w2d: PVC IE 0x7 , length 0x6 , dlci 100, status 0x2 , bw 0
Example 8-4 Displaying LMI Traf?¬?c Statistics with the show frame-relay lmi
Command (Continued)
342 Chapter 8: Extending the Network into the WAN
The ?¬?rst four lines describe an LMI exchange.
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