Revision as of 11:50, 5 August 2009

802.1x

This page is part of the Netband Project

• provides accesscontrol at the switchport
• Consists of
  • Auhtenticator
    • The device that handles the authentication on behalf of the clients
  • Supplicant(client)
    • The clients conencting to the network
  • Authentication server
    • Radius server

802.1x

Configuration

• Allows only one host on a switchport
• The host must be authenticated before normal traffic will be allowed through the switchport
• The host must be 802.1x compatible

aaa new-model
!
dot1x system-auth-control
!
aaa authentication dot1x default group Hq_radius_server
!
aaa group server radius Hq_radius_server
 server 10.1.1.11 auth-port 1645 acct-port 1646
!
radius-server key ciscodisco

• 12.2(46)SE and earlier

interface FastEthernet0/10
  dot1x port-control auto
  dot1x host-mode single-host
  dot1x violation-mode protect

• 12.2(50)SE or later

interface FastEthernet0/10
 authentication port-control auto 
 authentication host-mode single-host
 authentication violation protect

External Links

802.1x 12.2(46)SE
802.1x 12.2(50)SE
http://wiki.freeradius.org/FreeRADIUS_Active_Directory_Integration_HOWTO#Configuration_of_eap.conf