Alarm Details: "Failed to establish SSH connection with controller <ip_address> due to - Failure to authenticate"
XMC logs alarm messages similar to the following:
Alarm Details: "Failed to establish SSH connection with controller 10.0.2.22 due to - Failure to authenticate"
Wireless Manager fails to synchronize with wireless controller(s)
Controller Data Synchronization
- Status: Not Synchronized
- Detail: SSH failure to authenticate
Extreme Management Center (XMC)
Extreme Wireless Manager
ExtremeWireless (formerly known as IdentiFi)
XMC version 8.x
The Login password field of CLI Credentials does not match those configured in the wireless controller, and/or.
The Enable password field of CLI Credentials does not match the credential configured in the wireless controller, and/or.
The Administrator password field of CLI Credentials does not match the credential configured in the wireless controller.
Identify profile assigned to the target wireless controller
Open the Netsight Wireless Manager
Go to Tools -> Authorization/Device Access
Click on Profile/Device Mapping tab
Locate the target device and select it. The profile in use is located under the Netsight Administrator column.
Identify the CLI credentials associated with the profile you have identified via step 1 above.
Click on Profiles/Credentials tab in the top of the Authorization/Device Access window
Under Device Access Profiles list, locate and select the profile used for managing the target wireless controller
Click on Edit button to open the Edit Profile window
Memorize the CLI Credential in use.
Edit CLI Credential
Click on CLI Credential
Locate and select the target CLI Credential you have identified via step 2
Click on Edit... button (the Edit CLI Credential window will pop up)
Click on the "Show passwords in clear text" checkbox to display the passwords in cleartext.
Make sure the information contained in the fields "User name:", "Login password:", "Enable password:", and "Configuration password:" matches the credentials of an user (with administrator rights) configured in the wireless controller(s) and that the SSH protocol is the selected choice for the "Type:" field. The Edit CLI Credential window should be similar to the sample below:
Please note that all field are filled with the same password.
The image used in this article is for demonstration purpose only.