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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

12.5(1.12900.115)

Description (partial)

Symptom:
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 10.200.1.3:22->10.40.1.7:57879 (ESTABLISHED)
sshd       8013      admin    5u  IPv4 552444      0t0  TCP 10.200.1.3:22->10.40.1.7:57879 (ESTABLISHED)
sshd      28371       root    3u  IPv4 672969      0t0  TCP *:22 (LISTEN)

Conditions:
CUCM version 12.5.1.12900-115
Using IPv6 to establish SSH connection for CUCM
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