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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
311
Port Access Control
The following screens are used to monitor 802.1x statistics of the Switch, on a per port basis. To view the Port Access Control
screens, open the monitoring folder and click the Port Access Control folder. There are six screens to monitor.
RADIUS Authentication
This table contains information concerning the activity of the RADIUS authentication client on the client side of the RADIUS
authentication protocol. It has one row for each RADIUS authentication server with which the client shares a secret. To view the
RADIUS Authentication, click Monitoring > Port Access Control > RADIUS Authentication.
Figure 12- 18. RADIUS Authentication window
The user may also select the desired time interval to update the statistics, between 1s and 60s, where “s” stands for seconds. The
default value is one second. To clear the current statistics shown, click the Clear button in the top left hand corner.
The following fields can be viewed:
Parameter Description
ServerIndex
The identification number assigned to each RADIUS Authentication server that the client
shares a secret with.
InvalidServerAddr
The number of RADIUS Access-Response packets received from unknown addresses.
Identifier
The NAS-Identifier of the RADIUS authentication client. (This is not necessarily the same as
sysName in MIB II.)
AuthServerAddr
The (conceptual) table listing the RADIUS authentication servers with which the client
shares a secret.
ServerPortNumber
The UDP port the client is using to send requests to this server.
RoundTripTime
The time interval (in hundredths of a second) between the most recent Access-
Reply/Access-Challenge and the Access-Request that matched it from this RADIUS
authentication server.
AccessRequests
The number of RADIUS Access-Request packets sent to this server. This does not include
retransmissions.
AccessRetrans
The number of RADIUS Access-Request packets retransmitted to this RADIUS
authentication server.
AccessAccepts
The number of RADIUS Access-Accept packets (valid or invalid) received from this server.
AccessRejects
The number of RADIUS Access-Reject packets (valid or invalid) received from this server.
AccessChallenges
The number of RADIUS Access-Challenge packets (valid or invalid) received from this
server.
AccessResponses
The number of malformed RADIUS Access-Response packets received from this server.
Malformed packets include packets with an invalid length. Bad authenticators or Signature
attributes or known types are not included as malformed access responses.