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Monitoring Resources
When Insufficient Resources Are Available
When Insufficient Resources Are
Available
The switch has ample resources for configuring features and supporting:
■ RADIUS-authenticated clients (with or without the optional IDM applica-
tion)
■ Virus throttling and blocking on individual clients.
Note Virus throttling does not operate on IPv6 traffic.
If the resources supporting these features become fully subscribed:
■ The current feature configuration, RADIUS-authenticated client sessions,
and virus throttling instances continue to operate normally.
■ The switch generates an event log notice to say that current resources are
fully subscribed.
■ Currently engaged resources must be released before any of the following
actions are supported:
• Modifying currently configured ACLs, IDM, virus throttling, and other
software features, such as Management VLAN, DHCP snooping, and
dynamic ARP protection.
You can modify currently configured classifier-base QoS and mirror-
ing policies if a policy has not been applied to an interface. However,
sufficient resources must be available when you apply a configured
policy to an interface.
• Acceptance of new RADIUS-based client authentication requests
(displayed as a new resource entry for IDM).
Failure to authenticate a client that presents valid credentials may
indicate that insufficient resources are available for the features
configured for the client in the RADIUS server. To troubleshoot, check
the event log.
• Throttling or blocking of newly detected clients with a high rate of
connection requests (as defined by the current virus-throttling
configuration).
The switch continues to generate event log notifications (and SNMP
trap notification, if configured) for new instances of high connection-
rate behavior detected by the virus-throttling feature.
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