Guest

Preview Tool

Cisco Bug: CSCvu19754 - Cannot ssh into vsmart, vbond with GCM ciphers

Last Modified

Sep 04, 2020

Products (2)

  • Cisco vEdge Router
  • Cisco vEdge Router Model

Known Affected Releases

19.2.1 19.2.2 19.2.3 20.1

Description (partial)

Symptom:
SSH to the vsmart/vbond/edges does not work properly.
When gcm ciphers are used at the client machine, ssh connections to vsmarts, vbond and vedges does not work.

Issue started with 19.2 and above.
When issue happens, there is a log message saying libcrypto failed under auth.log of ssh server (vsmarts, vbond or vedges).

Conditions:
Client using GCM ciphers alone or somehow is that is the best found cipher between the client and server.
This issue does not happen when any other cipher is used like ctr.
Bug details contain sensitive information and therefore require a Cisco.com 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.