Status and Statistics
Viewing TCAM Utilization
Cisco 220 Series Smart Switches Administration Guide Release 1.1.0.x 24
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STEP 5 Click View All Interfaces Statistics to see the statistics counters for all interfaces
on a single page. The Etherlike Statistics Table displays the statistics counters for
all interfaces. From this page you can perform the following actions:
• Select the refresh rate from the Refresh Rate drop-down menu.
• Select an interface and click Clear Interface Counters to clear the statistics
counters for the selected interface.
• Click Clear All Interface Counters to clear the statistics counters for all
interfaces.
• Select an interface and click View Interface Statistics to see the statistics
counters for the selected interface on a single page.
• Click Refresh to manually refresh the statistics counters for all interfaces.
Viewing TCAM Utilization
The switch architecture uses a Ternary Content Addressable Memory (TCAM) to
support packet actions in wire speed. TCAM holds the rules produced by
applications (such as ACL and QoS) and the system-created rules.
Only system application allocates rules upon its initiation.
To view TCAM utilization, click Status and Statistics > TCAM Utilization.
The following fields are displayed:
• Maximum TCAM Entries—Maximum TCAM entries available.
• In Use—Number of TCAM entries that are currently using.
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