From: James (james@towardex.com)
Date: Fri Jul 09 2004 - 11:11:18 GMT-3
Hi group,
I am having an issue with ATM OAM and was wondering if anyone could assist:
Situation as follows:
R6<----ATM----->R9
pvc0/313 pvc2/314
Circuit was up and running (I could ping both ends, etc) until I configured OAM
to keep track of pvc, then OAM is shutting the pvc off... Any help is
appreciated. Thanks!
Output from R6:
r6# deb atm oam
ATM OAM cells debugging is on
Displaying all ATM oam data
r6#
02:54:14: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:1 CTag:1671 Tries:0
02:54:14: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:688
02:54:15: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:1 CTag:1672 Tries:1
02:54:15: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:689
02:54:16: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:1 CTag:1673 Tries:2
02:54:16: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:68A
02:54:16: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 0/313 LoopInd:0 CTag:68A
02:54:17: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:2 CTag:1674 Tries:0
02:54:17: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:68B
02:54:18: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:1 CTag:1675 Tries:0
02:54:18: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:68C
02:54:19: ATM OAM(ATM0.1): Timer: VCD#1 VC 0/313 Status:1 CTag:1676 Tries:1
02:54:19: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 0/313 CTag:68D
r6#sh in atm0.1
ATM0.1 is down, line protocol is down
Hardware is ATMizer BX-50
Description: to r9
Internet address is 172.16.56.5/30
MTU 4470 bytes, BW 155520 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM
20 packets input, 2116 bytes
23 packets output, 2176 bytes
1673 OAM cells input, 2760 OAM cells output
r6#sh in atm0
ATM0 is up, line protocol is up
Hardware is ATMizer BX-50
MTU 4470 bytes, sub MTU 4470, BW 155520 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM, loopback not set
Encapsulation(s): AAL5 AAL3/4, PVC mode
1023 maximum active VCs, 1 current VCCs
VC idle disconnect time: 300 seconds
Last input 00:34:55, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
1758 packets input, 93372 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
3000 packets output, 164472 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 output buffer failures, 0 output buffers swapped out
r6#sh atm pvc
VCD / Peak Avg/Min Burst
Interface Name VPI VCI Type Encaps SC Kbps Kbps Cells Sts
0.1 1 0 313 PVC SNAP UBR+ 1024 128 DOWN
r6#sh atm pvc 0/313
ATM0.1: VCD: 1, VPI: 0, VCI: 313
UBR+, PeakRate: 1024, Minimum Guaranteed Rate: 128
AAL5-LLC/SNAP, etype:0x0, Flags: 0x20, VCmode: 0x1
OAM frequency: 10 second(s), OAM retry frequency: 1 second(s), OAM retry frequency: 1 second(s)
OAM up retry count: 3, OAM down retry count: 5
OAM Loopback status: OAM Sent
OAM VC status: Up Retry
ILMI VC status: Not Managed
VC is managed by OAM.
InARP frequency: 15 minutes(s)
InPkts: 36, OutPkts: 40, InBytes: 3828, OutBytes: 3956
InPRoc: 36, OutPRoc: 40
InFast: 0, OutFast: 0, InAS: 0, OutAS: 0
OAM cells received: 1716
F5 InEndloop: 1716, F5 InSegloop: 0, F5 InAIS: 0, F5 InRDI: 0
F4 InEndloop: 0, F4 InSegloop: 0, F4 InAIS: 0, F4 InRDI: 0
OAM cells sent: 2934
F5 OutEndloop: 2934, F5 OutSegloop: 0, F5 OutRDI: 0
F4 OutEndloop: 0, F4 OutSegloop: 0, F4 OutRDI: 0
OAM cell drops: 0
Status: DOWN, State: NOT_VERIFIED
r6#sh run | be ATM
interface ATM0
no ip address
no atm ilmi-keepalive
!
interface ATM0.1 point-to-point
description to r9
ip address 172.16.56.5 255.255.255.252
pvc 0/313
protocol ip 172.16.56.5
protocol ip 172.16.56.6 broadcast
ubr+ 1024 128
no broadcast
oam-pvc manage
encapsulation aal5snap
!
!
R9 Output:
r9#deb atm oam
ATM OAM cells debugging is on
Displaying all ATM oam data
r9#
02:55:09: ATM OAM(ATM0.1): Timer: VCD#1 VC 2/314 Status:2 CTag:1323 Tries:0
02:55:09: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:52C
02:55:09: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 2/314 LoopInd:1 CTag:6C5
02:55:09: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:6C5
02:55:10: ATM OAM(ATM0.1): Timer: VCD#1 VC 2/314 Status:1 CTag:1324 Tries:0
02:55:10: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:52D
02:55:10: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 2/314 LoopInd:1 CTag:6C6
02:55:10: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:6C6
02:55:11: ATM OAM(ATM0.1): Timer: VCD#1 VC 2/314 Status:1 CTag:1325 Tries:1
02:55:11: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:52E
02:55:11: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 2/314 LoopInd:1 CTag:6C7
02:55:11: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:6C7
02:55:12: ATM OAM(ATM0.1): Timer: VCD#1 VC 2/314 Status:1 CTag:1326 Tries:2
02:55:12: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:52F
02:55:12: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 2/314 LoopInd:0 CTag:52F
02:55:12: ATM OAM LOOP(ATM0.1) I: VCD#1 VC 2/314 LoopInd:1 CTag:6C8
02:55:12: ATM OAM LOOP(ATM0.1) O: VCD#1 VC 2/314 CTag:6C8
r9#sh in atm 0.1
ATM0.1 is down, line protocol is down
Hardware is ATMizer BX-50
Internet address is 172.16.56.6/30
MTU 4470 bytes, BW 155520 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM
21 packets input, 2112 bytes
29 packets output, 2804 bytes
2095 OAM cells input, 3114 OAM cells output
r9#sh in atm0
ATM0 is up, line protocol is up
Hardware is ATMizer BX-50
MTU 4470 bytes, sub MTU 4470, BW 155520 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM, loopback not set
Encapsulation(s): AAL5 AAL3/4, PVC mode
1023 maximum active VCs, 1 current VCCs
VC idle disconnect time: 300 seconds
Last input 00:17:16, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 1 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
2119 packets input, 112124 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
3138 packets output, 170732 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 output buffer failures, 0 output buffers swapped out
r9#sh atm pvc
VCD / Peak Avg/Min Burst
Interface Name VPI VCI Type Encaps SC Kbps Kbps Cells Sts
0.1 1 2 314 PVC SNAP UBR+ 1024 128 DOWN
r9#sh atm pvc 2/314
ATM0.1: VCD: 1, VPI: 2, VCI: 314
UBR+, PeakRate: 1024, Minimum Guaranteed Rate: 128
AAL5-LLC/SNAP, etype:0x0, Flags: 0x20, VCmode: 0x1
OAM frequency: 10 second(s), OAM retry frequency: 1 second(s), OAM retry frequency: 1 second(s)
OAM up retry count: 3, OAM down retry count: 5
OAM Loopback status: OAM Received
OAM VC state: Up Retry
ILMI VC state: Not Managed
VC is managed by OAM.
InARP frequency: 15 minutes(s)
InPkts: 37, OutPkts: 45, InBytes: 3860, OutBytes: 4516
InPRoc: 37, OutPRoc: 39
InFast: 0, OutFast: 0, InAS: 0, OutAS: 0
OAM cells received: 2145
F5 InEndloop: 2145, F5 InSegloop: 0, F5 InAIS: 0, F5 InRDI: 0
F4 InEndloop: 0, F4 InSegloop: 0, F4 InAIS: 0, F4 InRDI: 0
OAM cells sent: 3194
F5 OutEndloop: 3194, F5 OutSegloop: 0, F5 OutRDI: 0
F4 OutEndloop: 0, F4 OutSegloop: 0, F4 OutRDI: 0
OAM cell drops: 0
Status: DOWN, State: NOT_VERIFIED
r9#sh run | be ATM
interface ATM0
no ip address
no atm ilmi-keepalive
!
interface ATM0.1 point-to-point
ip address 172.16.56.6 255.255.255.252
pvc 2/314
protocol ip 172.16.56.5 broadcast
protocol ip 172.16.56.6
ubr+ 1024 128
no broadcast
oam-pvc manage
encapsulation aal5snap
!
!
-- James Jun TowardEX Technologies, Inc. Technical Lead Network Design, Consulting, IT Outsourcing james@towardex.com Boston-based Colocation & Bandwidth Services cell: 1(978)-394-2867 web: http://www.towardex.com , noc: www.twdx.net
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