24-Port Layer 3 Switch Management Guide

C ONFIGURING THE S WITCH
3-32
Web – Click System, Radius. To configure local or remote authentication
preferences, specify the authentication sequence (i.e., one to two methods),
fill in the parameters for RADIUS authentication if selected, and click
Apply.
CLI – Specify all the required parameters to enable logon authentication.
Configuring 802.1x Port Authentication
Network switches can provide open and easy access to network resources
by simply attaching a client PC. Although this automatic configuration and
access is a desirable feature, it also allows unauthorized personnel to easily
intrude and possibly gain access to sensitive network data.
The IEEE 802.1x (dot1x) standard defines a port-based access control
procedure that prevents unauthorized access to a network by requiring
users to first submit credentials for authentication. Access to all switch
Console(config)#authentication login radius 4-60
Console(config)#radius-server host 192.168.1.25 4-62
Console(config)#radius-server port 181 4-63
Console(config)#radius-server key green 4-63
Console(config)#radius-server retransmit 5 4-64
Console(config)#radius-server timeout 10 4-65
Console#show radius-server 4-65
Server IP address: 192.168.1.25
Communication key with radius server:
Server port number: 181
Retransmit times: 5
Request timeout: 10
Console(config)#