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1242 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Configuring 802.1X port security
34
Setting the maximum number of EAP frame retransmissions
You can optionally specify the number of times the Dell PowerConnect device will retransmit the
EAP-request frame. You can specify between 1 – 10 frame retransmissions. For example, to
configure the device to retransmit an EAP-request frame to a Client a maximum of three times,
enter the following command.
PowerConnect(config-dot1x)#maxreq 3
Syntax: maxreq <value>
<value> is a number from 1 – 10. The default is 2.
Specifying a timeout for retransmission of messages
to the authentication server
When performing authentication, the Dell PowerConnect device receives EAPOL frames from the
Client and passes the messages on to the RADIUS server. The device expects a response from the
RADIUS server within 30 seconds. If the RADIUS server does not send a response within 30
seconds, the Dell PowerConnect device retransmits the message to the RADIUS server. The time
constraint for retransmission of messages to the Authentication Server can be between 0 –
4294967295 seconds.
For example, to configure the device to retransmit a message if the Authentication Server does not
respond within 45 seconds, enter the following command.
PowerConnect(config-dot1x)#servertimeout 45
Syntax: servertimeout <seconds>
Initializing 802.1X on a port
To initialize 802.1X port security on a port, enter a command such as the following.
PowerConnect#dot1x initialize e 3/1
Syntax: dot1x initialize ethernet <port>
Specify the <port> variable in the following formats:
• PowerConnect B-Series FCX stackable switches – <stack-unit/slotnum/portnum>
Allowing access to multiple hosts
Dell PowerConnect devices support 802.1X authentication for ports with more than one host
connected to them. If there are multiple hosts connected to a single 802.1X-enabled port, the Dell
PowerConnect device authenticates each of them individually. Refer to “Configuring 802.1X
multiple-host authentication” on page 1243.