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Cisco Bug: CSCvh78080 - PN and device fail the algorithms (cipher) negotiation after CRS device upgrade from 5.3.3 to 6.1.4

Last Modified

Aug 12, 2019

Products (1)

  • Cisco Prime Network

Known Affected Releases

4.3(1.0)PP3

Description (partial)

Symptom:
After upgrading a CRS router to 6.1.4 from 5.3.3, Prime Network  4.3.1 showing Network Element as Partially reachable whereas snmp is working but SSHv2 does not work.   This issue is caused by failure of algorithms (cipher) negotiation after device upgrade.

Conditions:
This will only occur if 
1) the VNE that monitors the 5.3.3 Device  was initially created using CPN 3.8 or lower and
2) the CPN version at the time of the device upgrade to 6.1.4 is later than 3.9
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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