Dell PowerConnect 28xx Systems User Guide 733 Modify the relevant fields.4 Click Apply Changes.The RADIUS Server settings are modified, and the device is updated.Deleting a RADIUS Server for the RADIUS Servers List:1 Open the RADIUS Settings page.2 Click Show All.The RADIUS Servers List page opens.3 Select a RADIUS Server in the RADIUS Servers List.4 Select the Remove check box.5 Click Apply Changes.The RADIUS server is removed from the RADIUS Servers List.Defining SNMP ParametersSimple Network Management Protocol (SNMP) provides a method for managing network devices.Devices supporting SNMP run a local software (agent).The SNMP agents maintain a list of variables, which are used to manage the device. The variables aredefined in the Management Information Base (MIB). The MIB contains the variables controlled by theagent. The SNMP protocol defines the MIB specification format, as well as the format used to access theinformation over the network.Access rights to the SNMP agents are controlled by access strings. To communicate with the device, theEmbedded Web Server submits a valid community string for authentication. To open the SNMP page,click System SNMP in the tree view.This section contains information for managing the SNMP configuration.