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Cisco Bug: CSCvv02582 - ISSU operation Failed in Precheck after enable ISSU followed by router reload with ISSU disable

Last Modified

Oct 16, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

ISSU operation Failed due to "ISSU is disabled for this SDR" but ISSU Enabled on Admin-Plane SDR

If node is reloaded with "sdr default-sdr issu disable" config present, after node is up and config is removed, ISSU might still fail that ISSU_SUPPORT value is being cached.

sysadmin-vm:0_RSP0# show running-config sdr
Mon Jul  13 15:29:47.737 UTC+00:00
sdr default-sdr
location all
RP/0/RSP1/CPU0:ROA#show issu
INSTALL Operation ID    : Operation 89 Started at Mon Jul 13 08:02:50 2020
ISSU Progress           : 0.0%
Total ISSU Time         : -
ISSU Type               : IMAGE 
Current Status          : ISSU operation Failed in Precheck
Additional Info         : ISSU is disabled for this SDR by Admin-plane configuration
Setup Information       : Single Chassis
ISSU Ready/Not Ready    : 0 / 0
Node ISSU readiness per rack per slot
Key: Ready - 'Y', Not ready - 'N', Primary node - '*', Complete - '-'
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