Cache-Response

Dynamic RADIUS caching allows client authentication via IEEE 802.1X even when there is no data connection to the RADIUS server. RADIUS Accept messages are cached and retained for a defined period (see 2.25.10.3.21 Cache-Lifetime) to allow re-authentication of the respective clients. With MAC-based authentication, clients can re-authenticate on the port even if the RADIUS server is temporarily unavailable.

Important:

Only PAP is supported.

Only MAC-based authentication is supported.

A monitoring or supervision server must be configured (see 2.25.10.3.19 Sup.-Profile).

Note: Under Status > TCP-IP > RADIUS-Server > Access-Control > Cached-Responses you can view the current dynamic RADIUS cache. The CLI provides the command show radius-server response-cache for this purpose, which outputs all individual entries in full. You can limit the output using wildcards. Example: show radius-server response-cache * testuser shows only the entries for the user "testuser".
SNMP ID:
2.25.10.3.20 
Console path:
Setup > RADIUS > Server > Forward-Servers
Possible values:
Yes
Enable dynamic RADIUS caching.
No
Disable dynamic RADIUS caching.

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