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Cisco Bug: CSCvt61512 - NCS42xx: Ds3 Admin Down Alarm persists in card protected setup

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Network Convergence System 4200 Series

Known Affected Releases

16.12.1

Description (partial)

Symptom:
DS3_ADMIN_DOWN alarm persists after no shut of the controller

R1#sh facility-alarm status | sec 0/4/0
T3 0/4/0                   Mar 30 2020 22:24:10   CRITICAL      DS3_RX_LOS                     Receiver has loss of signal [3]
T3 0/4/0                   Mar 30 2020 22:24:10   CRITICAL      DS3_LINK_DOWN                  Ds3 Port Link Down [9]
R1#sh facility-alarm status | sec 0/11/0
T3 0/11/0                  Mar 30 2020 22:24:10   CRITICAL      DS3_RX_LOS                     Receiver has loss of signal [3]
T3 0/11/0                  Mar 30 2020 22:24:10   CRITICAL      DS3_LINK_DOWN                  Ds3 Port Link Down [9]
R1#

R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#controller t3 8/0/0
R1(config-controller)#shut
R1(config-controller)#do sh facility-alarm status | sec 0/4/0
T3 0/4/0                   Mar 30 2020 22:27:23   INFO          DS3_ADMIN_DOWN                 Ds3 Port Admin Down [10]
R1(config-controller)#do sh facility-alarm status | sec 0/11/0
T3 0/11/0                  Mar 30 2020 22:27:23   INFO          DS3_ADMIN_DOWN                 Ds3 Port Admin Down [10]
R1(config-controller)#no shut
R1(config-controller)#do sh facility-alarm status | sec 0/4/0
T3 0/4/0                   Mar 30 2020 22:27:23   INFO          DS3_ADMIN_DOWN                 Ds3 Port Admin Down [10]
R1(config-controller)#do sh facility-alarm status | sec 0/11/0
T3 0/11/0                  Mar 30 2020 22:27:23   INFO          DS3_ADMIN_DOWN                 Ds3 Port Admin Down [10]

Conditions:
NCS42xx
Two cards NCS4200-48T3E3-CE set up with card-protection
T3 controller mode
Shut/no shut of one controller

T3 controller operates correctly in shut/no shut config.
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