C
HAPTER
5
| Monitoring the Switch
Displaying Port Security Information
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Transmit Backend Server Counters
◆ Responses
For port-based authentication, this field counts the number of times
that the switch attempts to send a supplicant's first response packet to
the backend server. This indicates that the switch has attempted
communication with the backend server. Possible retransmissions are
not counted.
For MAC-based authentication, this field counts all the backend server
packets sent from the switch towards the backend server for a given
port (left-most table) or client (right-most table). Possible
retransmissions are not counted.
Last Supplicant Info
◆ Version - For port-based authentication, this field indicates the
protocol version number carried in the most recently received EAPOL
frame. For MAC-based authentication, this field is not applicable.
◆ Source - For port-based authentication, this field indicates the source
MAC address carried in the most recently received EAPOL frame. For
MAC-based authentication, this field is not applicable.
◆ Identity - For port-based authentication, this field shows the user
name (supplicant identity) carried in the most recently received Resp/
ID EAPOL frame. For MAC-based authentication, this field shows the
MAC address of the last client that attempted to authenticate (left-most
table), or the MAC address of the currently selected client (right-most
table).
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