Appliance Trim Kit User Manual

Volume 9: Managing the Blue Coat SG Appliance
26
For the license expiration metrics, the threshold interval is irrelevant and is set by default
to 0. You should set the Warning Threshold to a value that will give you ample time to
renew your license. By default, all license expiration metrics have a Warning Threshold of
30 days. By default, the Critical Threshold is configured to 0, which means that a trap is
immediately sent upon license expiration.
About Health Monitoring Notification
By default, the Director polls the SG appliances to determine their current state. If the state
has changed, Director updates the device status. Other types of notification are also
available. Any or all of the following types of notification can be set:
❐ SNMP trap: Sends an SNMP trap to all configured management stations.
❐ E-mail: Sends e-mail to all persons listed in the Event log properties.
❐ Log: Inserts an entry into the Event log. See “Setting Up Event Logging and
Notification” on page 15 for more information.
About the General Metrics
The following table lists the metrics displayed in the Maintenance > Health Monitoring >
General page. The thresholds for these metrics are user-configurable. See “About Health
Monitoring” on page 24 for information about thresholds and alert notification.
All threshold intervals are in seconds.
About the Licensing Metrics
The following table lists the metrics displayed in the Maintenance > Health Monitoring >
Licensing page. You can monitor User License utilization metrics and the following license
expiration metrics:
❐ SGOS Base License: Licenses not listed here are part of the SGOS base license.
❐ SSL Proxy
❐ SG Client
Table 2-2. General Health Monitoring Metrics
Metric Units Default
Thresholds/Intervals
Notes
CPU Utilization Percentage Critical: 95%/120 seconds
Warning: 80%/120
seconds
Measures the value of CPU 0
on multi-processor systems--
not the average of all CPU
activity.
Memory Pressure Percentage Critical: 95%/120 seconds
Warning: 90%/120
seconds
Memory pressure occurs
when memory resources
become limited, causing new
connections to be delayed.
Interface Utilization Percentage Critical: 90%/120 seconds
Warning: 60%/120
seconds
Measures the traffic (in and
out) on the interface to
determine if it is
approaching the bandwidth
maximum.