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Monitoring Resources
Viewing Information on Resource Usage
Displaying Current Resource Usage
To display current resource usage in the switch, enter the show <qos | access-
list | policy> resources command.
The show resources command output allows you to view current resource
usage and, if necessary, prioritize and reconfigure software features to free
resources reserved for less important features.
The qos, access-list, and policy parameters display the same command output
and provide different ways to access task-specific information.
Syntax: show <qos | access-list | policy> resources
Displays the resource usage of the Policy Enforcement Engine on the
switch by software feature. For each type of resource, the amount still
available and the amount used by each software feature is shown.
Figure E1 shows the resource usage on a 3500yl switch configured for ACLs,
QoS, RADIUS-based authentication, and other features:
■ The “Rules Used” columns show that ACLs, virus-throttling (VT), mirror-
ing, and other features (for example, Management VLAN) have been
configured globally or per-VLAN because identical resource consumption
is displayed for each port range in the switch. If ACLs were configured
per-port, the number of rules used in each port range would be different.
■ The switch is also configured for virus throttling, and is either blocking
or throttling routed traffic with a high rate of connection requests.
■ Varying ICMP rate-limiting configurations on ports 1-24, on ports 25-48,
and on slot A, have resulted in different meter usage and different rule
usage listed under QoS. Global QoS settings would otherwise result in
identical resource consumption on each port range in the switch.
■ There is authenticated client usage of IDM resources on ports 25-48.
E-4