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Cisco Bug: CSCvh83215 - IOS-XE Voice NIM/PVDM Service-Engine Admin Down leads to one-way audio

Last Modified

Oct 30, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

15.5(3)S4.1

Description (partial)

Symptom:
One Way Audio on ISDN T1/E1, FXS, or FXO connections with an ISR 4300/4400 where the Service-Engine Interface is "Admin Down"

router# show ip int br | in Service-Engine
Service-Engine0/1/0    unassigned      YES unset  administratively down down
Service-Engine0/2/0    unassigned      YES unset  administratively down down
Service-Engine0/4/0    unassigned      YES unset  administratively down down

Conditions:
ISR 4300/4400 utilizing Analog Voice NIM cards
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