Specifying The Polling Interval For Monitoring; Specifying The Lower Threshold For Mac-Address Monitoring - Cisco WS-C6506 Software Manual

Configuring MAC-Address Monitoring

Specifying the Polling Interval for Monitoring

MAC-address monitoring is supported in the software. If there are a large number of MAC addresses in
the CAM table and a large number of configured interfaces (ports, VLANs, or port-VLANs), the CPU
usage might go up. You can reduce the load on the CPU by entering the set cam monitor interval
command to adjust the software polling interval.
To specify the polling interval for the CAM table, perform this task in privileged mode:
Task
Specify the polling interval in seconds for
monitoring the CAM table. The valid range is
from 5–30 seconds.
Note
This example shows how to specify the polling interval for the CAM table:
Console> (enable) set cam monitor interval 20
Cam monitor interval set to 20 sec
Console> (enable)

Specifying the Lower Threshold for MAC-Address Monitoring

To specify the lower threshold for MAC-address monitoring, perform this task in privileged mode:
Task
Specify the lower threshold for MAC-address
monitoring and the action to be taken when the
system exceeds this threshold. The valid range for
the lower threshold is 5–32000.
Note
This example shows how to specify the low threshold for a port and the action to be taken when this
threshold is exceeded:
Console> (enable) set cam monitor low-threshold 500 action warning 3/1
Successfully configured cam monitor on 3/1
Console> (enable)
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
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The default polling interval is 5 seconds.
If you specify the no-learn keyword, and
the configuration is a port/VLAN
configuration, the violation action stops
learning the MAC addresses on the port
from all the VLANs. If you specify the
warning keyword, the system displays a
system message when the low threshold is
exceeded.
Chapter 38
Command
set cam monitor interval time_s
Command
set cam monitor low-threshold value [action
{no-learn | warning}] {mod/port | {mod/port
vlan} | vlan}
Configuring Port Security
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