Preview Tool

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

Sep 15, 2019

Products (1)

  • Cisco Prime Network

Known Affected Releases


Description (partial)

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.

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
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.