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Cisco Bug: CSCuo48453 - ASR1K SSH client hangs on enable while connecting to SSH v1 server

Last Modified

Nov 27, 2020

Products (16)

  • Cisco 2600 Series Multiservice Platforms
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ASR 901-6CZ-FT-D Router
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Known Affected Releases

15.3(2)S1 15.4(1)S

Description (partial)

When doing SSH from ASR1K to a remote Cisco router it is not possible to go to enable mode:

% Password:  timeout expired!
% Error in authentication.

Translating "isco"...domain server (

The remote router is running SSHv1
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Bug Details Include

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