To manually accept a mismatched SSH host key

Purpose

Perform this procedure to manually accept a rejected SSH host key in order to establish a connection to the SSH server on an NE.

Note: Before you accept a mismatched host key, you must verify the validity of the SSH connection.

Steps
 
1 

Open the SSH2 Known Host Key Manager by performing one of the following.

  1. Choose Administration→Security→SSH2 Known Host Key Manager from the NFM-P main menu. The SSH2 Known Host Key Manager filter form opens.

  2. Perform the following steps.

    1. Choose Administration→Discovery Manager from the NFM-P main menu. The Discovery Manager (Edit) form appears.

    2. Click on the Managed State tab and click Search. A list of managed devices appears.

    3. Select a device in the list and click Properties. The Node Discovery Control (Edit) form opens.

    4. Click on the Mediation Security tab.

    5. Click SSH2 Known Host Key. The SSH2 Known Host Key Manager filter form opens.

2 

In the SSH2 Server Key Status column header, choose Mismatch SSH2 Host Key as a match criterion using the drop-down menu.

3 

Click Search. A list of mismatched host keys is displayed.

4 

Select the required host key entry.

5 

Verify with the device management that the key fingerprint is the host key of the required device.

6 

Click Delete to delete the mismatched host key. The mismatched host key is deleted and a connection to the SSH server can be established.

7 

Close the forms.

End of steps