Barracuda Networks VERSION SP4 manual Resetting the 802.1X Authentication process

This value may also be changed by using the Advanced Settings screen within the Barracuda NG Access Monitor.

To enable "DHCP Renew" on the Access Control Server enforcing it on all clients matching the rule it is configured, follow these steps:

•Enter the Access Control Server trustzone configuration using the Barracuda NG Admin administration tool

•Open the rule to enable DHCP Renew and select the view Policy Assignments

•Set the option Use DHCP Renew to Yes or No as desired

The value configured on the Access Control Server overwrites the value configured on the client computer.

14.3.14ICMP Connectivity Checking

The Barracuda NG Access Monitor supports the usage of ICMP to check if the configured Access Control Server is available. The use of this option highly recommended because it avoids long timeouts, thus is enabled by default.

Table 14–13Key ICMPProbing

Item Description

Path HKEY_USERS\.Default\Software\phion\phionha\settings

Key ICMPProbing

Value Enables or disables the use of ICMP packets to check if the Access Control Server is available. (Default=1)

•0 - disabled

•1 - enabled

This value may also be changed using the Advanced Settings within the Barracuda NG Access Monitor through the ICMP Connectivity Check parameter.

14.3.15Resetting the 802.1X Authentication process

If, for which reason whatsoever, it is required to restart the 802.1X authentication process, the Barracuda NG Access Monitor provides the necessary functionality. In order to perform this you should follow these steps:

•Enter the Port Security section in the Barracuda NG Access Monitor

•Selected the network interface to reset

•Choose "Reset" from the tasks menu on the left or through the context menu of the network interface

Once done, the session password will be reset and the 802.1X authentication process starts over.

197 Barracuda NG Network Access Client - Administrator’s Guide