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Cisco Bug: CSCvu37403 - CUCM 12.5 SU2 Enhancement (add support for SSH over IPv6)

Last Modified

Jun 01, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

The whole environment is using IPv6 which is not supported for the CUCM ver 12.5 SSH connection.  

SSH over IPv4 works just fine.

admin:show open ports regexp sshd

Executing.. please wait.
sshd       7995       root    5u  IPv4 552444      0t0  TCP> (ESTABLISHED)
sshd       8013      admin    5u  IPv4 552444      0t0  TCP> (ESTABLISHED)
sshd      28371       root    3u  IPv4 672969      0t0  TCP *:22 (LISTEN)

CUCM version
Using IPv6 to establish SSH connection for CUCM
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