Case study : One of the Huawei device failing download the configuration.
NCM few nodes failing downloading config files (Connection Refused ) / (Connection TimeOut) Error
View live NCM Job Logs activity for any failure / Errors / Performance
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Checked the SSH to the device
Checked the Session Trace
[12/16/2019 4:30:19 PM] -----------------NCM 7.6-------------------
[12/16/2019 4:30:19 PM] UseCustomMorePromptBehaviour: False
[12/16/2019 4:30:19 PM] MorePromptKey:
[12/16/2019 4:30:19 PM] Custom MorePrompt Pattern:
[12/16/2019 4:30:19 PM] Login Attempts: 1
[12/16/2019 4:30:19 PM] Custom UserName Prompt:
[12/16/2019 4:30:19 PM] Custom Password Prompt:
[12/16/2019 4:30:19 PM] Custom Question Prompt:
[12/16/2019 4:30:19 PM] Device Template: Generic-Enterasys-1.3.6.1.4.1.2011.2.23.462 Connection Profile: Switches Huawei SSH
[12/16/2019 4:30:19 PM] System Name: xxxxxxxxxxxx
[12/16/2019 4:30:19 PM] System Description:
[12/16/2019 4:30:19 PM] System OID: 1.3.6.1.4.1.2011.2.23.462
[12/16/2019 4:30:19 PM] OS Image:
[12/16/2019 4:30:19 PM] OS Version:
[12/16/2019 4:30:19 PM] UseExactPromptMatch=False
[12/16/2019 4:30:19 PM] Menu-Based mode=False
[12/16/2019 4:30:19 PM] FreezeLoginForPreCommands mode= False
[12/16/2019 4:30:19 PM] FISP mode= False
[12/16/2019 4:30:19 PM] WODSSH Version: 3.0.0.184
[12/16/2019 4:30:19 PM] UseVirtualPromptForCommands False
[12/16/2019 4:30:19 PM] VirtualPrompt:
[12/16/2019 4:30:19 PM] VirtualEnablePrompt:
[12/16/2019 4:30:19 PM] Responce Timeout in seconds: 15
[12/16/2019 4:30:19 PM] Connection Timeout in seconds: 45
[12/16/2019 4:30:19 PM]
-->StateChange: Connecting to server<--
[12/16/2019 4:30:20 PM] Got HostFingerPrint:
[12/16/2019 4:30:20 PM] SWTelnet9 Crypto Information Begin
[12/16/2019 4:30:20 PM] Protocol = SSH2
[12/16/2019 4:30:20 PM] RemoteName = SSH-2.0--
[12/16/2019 4:30:20 PM] SCcipher = aes128-cbc
[12/16/2019 4:30:20 PM] CSCipher = aes128-cbc
[12/16/2019 4:30:20 PM] Keys = ssh-rsa
[12/16/2019 4:30:20 PM] SWTelnet9 Crypto Information End
[12/16/2019 4:30:21 PM]
-->StateChange: Connected to server - idle<--
[12/16/2019 4:30:21 PM] Solarwinds.Net SWTelnet9 Version 9.0.27
[12/16/2019 4:30:21 PM] Connected!
[12/16/2019 4:30:21 PM] -->
[12/16/2019 4:30:21 PM] --> Warning: The initial password poses security risks.
[12/16/2019 4:30:21 PM] --> The password needs to be changed. Change now? [Y/N]:
[12/16/2019 4:30:21 PM] ProcessLogin State: 0
[12/16/2019 4:30:21 PM] Standard password prompt detected
[12/16/2019 4:30:21 PM] <-- ********************
[12/16/2019 4:30:21 PM] -->
[12/16/2019 4:30:21 PM] --> Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:
[12/16/2019 4:30:21 PM] ProcessLogin State: 3
[12/16/2019 4:30:21 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:21 PM] Pending Disconnect = False
[12/16/2019 4:30:23 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:23 PM] Pending Disconnect = False
[12/16/2019 4:30:25 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:25 PM] Pending Disconnect = False
[12/16/2019 4:30:25 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:27 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:27 PM] Pending Disconnect = False
[12/16/2019 4:30:27 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:29 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:29 PM] Pending Disconnect = False
[12/16/2019 4:30:29 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:31 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:31 PM] Pending Disconnect = False
[12/16/2019 4:30:31 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:33 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:33 PM] Pending Disconnect = False
[12/16/2019 4:30:33 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:35 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:35 PM] Pending Disconnect = False
[12/16/2019 4:30:35 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:37 PM] TimerTick: mstrData=<Error: Please choose 'YES' or 'NO' first before pressing 'Enter'. [Y/N]:> State=3 - Connected to server - idle
[12/16/2019 4:30:37 PM] Pending Disconnect = False
[12/16/2019 4:30:37 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[12/16/2019 4:30:37 PM] TimerTick: Login Timeout
[12/16/2019 4:30:37 PM] Disconnected - From: 100.100.100.100
Cause:
Right after login device ask question:
Warning: The initial password poses security risks.
The password needs to be changed. Change now? [Y/N]:
NCM is not expecting such password question and fail to login.
Resolution
Suggest customer just login on device using putty and change password to more complex so this warning disappears. After that NCM should login fine on device