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Cisco Bug: CSCtc40373 - Key signature issue during key re-exchange

Last Modified

Jan 06, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)


SSH connection using RSA key exchange with CRS will drop after an hour (or 1GB of data transfer, whichever is sooner)


The key re-exchange mechanism based on RSA keys is not working - CRS sends incorrect key length causing the client to flag an invalid signature.
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