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# Monitoring RADIUS Server Information

#### Purpose

Display RADIUS server information.

Use with the optional accounting, authentication, dynamic-request, route-download, or pre-authentication keywords to limit output to the specific type of server.

#### Action

To display RADIUS server configuration information:

    host1#show radius servers
                   RADIUS Authentication Configuration
                   -----------------------------------
                    Udp    Retry             Maximum    Dead
     IP Address     Port   Count   Timeout   Sessions   Time   Secret
    -------------   ----   -----   -------   --------   ----   ------
    172.28.30.117   1812   3       3         255        0      radius

                     RADIUS Accounting Configuration
                     -------------------------------
                    Udp    Retry             Maximum    Dead
     IP Address     Port   Count   Timeout   Sessions   Time   Secret
    -------------   ----   -----   -------   --------   ----   ------
    172.28.30.117   1813   3       3         255        0      radius

                   RADIUS Pre-Authentication Configuration
                   ---------------------------------------
                    Udp    Retry             Maximum    Dead
     IP Address     Port   Count   Timeout   Sessions   Time   Secret
    -------------   ----   -----   -------   --------   ----   ------
    172.28.30.117   1812   3       3         255        0      radius

                   RADIUS Route-Download Configuration
                   -----------------------------------
                    Udp    Retry             Maximum    Dead
     IP Address     Port   Count   Timeout   Sessions   Time   Secret
    -------------   ----   -----   -------   --------   ----   ------
    192.168.30.16   1812   3       3         255        0      radius

#### Meaning

Table 27 lists the show radius servers command output fields.

Table 27: show radius servers Output Fields

Field Name | Field Description
--- | ---
IP Address | IP address of RADIUS server
Udp Port | Number of the UDP port of the RADIUS server
Retry Count | Maximum number of times that the router retransmits a RADIUS packet to the RADIUS server
Timeout | Interval (in seconds) before the router retransmits a RADIUS packet to the RADIUS server
Maximum Sessions | Number of outstanding requests to the RADIUS server
Dead Time | Amount of time to remove the authentication server or accounting server from the available list when a timeout occurs
Secret | Configured authentication server or accounting server secret

#### Related Topics

- show radius servers

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