Configuring Port-Based and User-Based Access Control (802.1X)
Configuring Switch Ports To Operate As Supplicants for 802.1X Connections to Other Switches
Configuring Switch Ports To Operate As
Supplicants for 802.1X Connections to
Other Switches
802.1X Authentication Commands page 12-19
802.1X Supplicant Commands
[no] aaa port-access < supplicant < [ethernet] < port-list > page 12-51
[auth-timeout | held-period | start-period | max-start | initialize | page 12-51
identity | secret | clear-statistics]
802.1X-Related Show Commands page 12-53
RADIUS server configuration pages 12-27
A switch port can operate as a supplicant in a connection to a port on another
802.1X-aware switch to provide security on links between 802.1X-aware
switches. (A port can operate as both an authenticator and a supplicant.)
Example
Suppose that you want to connect two switches, where:
■ Switch “A” has port A1 configured for 802.1X supplicant operation.
■ You want to connect port A1 on switch “A” to port B5 on switch “B”.
RADIUS Server
Switch “A”
Port A1 Configured as an
802.1X Supplicant
Port A1
Switch “B”
Port B5
LAN Core
Figure 12-9. Example of Supplicant Operation
1. When port A1 on switch “A” is first connected to a port on switch “B”, or
if the ports are already connected and either switch reboots, port A1
begins sending start packets to port B5 on switch “B”.
12-49
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