Change RADIUS password
Before you begin
• Enable MS-CHAPv2 encapsulation on the switch in order to change the RADIUS
password. Follow the steps in Configuring Security on Avaya Ethernet Routing Switch
4000 Series NN47205-505.
• Use this feature in conjunction with password fallback. Follow the steps in Configuring
Systems on Avaya Ethernet Routing Switch 4000 Series NN47205-500.
• Ensure the RADIUS server is configured properly. Follow the steps in Configuring
Systems on Avaya Ethernet Routing Switch 4000 Series NN47205-500.
Note:
If the server is not reachable after waiting one to two minutes to try again, use the following
command:radius reachability use-radius.
About this task
The feature is used to validate RADIUS credentials to allow CLI, Telnet, and SSH access to
the switch. Change the password using one of two methods:
• Enter one of the following commands:cli password serial radius or cli
password telnet radius. If the password has expired, you are prompted to enter
and confirm a new password.
• Enter new CLI command described in the procedure below.
Procedure
Enter the following CLI command:cli password change
Example
4826GTS(config)#cli password change
Changing password for user: admin-test
Enter old password : **********
Enter New Password : ********
Re-enter New Password : ********
Troubleshooting Fail Open VLAN Continuity Mode
The Fail Open VLAN Continuity Mode feature introduces a new mode of operation for EAP/
NEAP clients when the RADIUS server(s) become unreachable.
From Release 5.7 onwards, when Fail Open VLAN Continuity Mode is enabled, if the RADIUS
client does not receive any response from RADIUS server, the EAP or Non-EAP MACs are
Troubleshooting authentication
118 Troubleshooting Avaya ERS 4000 Series April 2014
Comments? infodev@avaya.com
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