Blue Coat Systems Blue Coat Systems SG Appliance, SGOS Version 5.2.2 manual Diagnostics

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Chapter 4: Diagnostics

Blue Coat Systems has a number of resources to provide diagnostic information:

❐Heartbeats: Enabled by default, Heartbeats (statistics) are a diagnostic tool used by Blue Coat, allowing them to proactively monitor the health of appliances.

❐Core images: Created when there is an unexpected system restarted. This stores the system state at the time of the restart, enhancing the ability for Blue Coat to determine the root cause of the restart.

❐SysInfo (System Information): SysInfo provides a snapshot of statistics and events on the SG appliance.

❐PCAP: An onboard packet capture utility that captures packets of Ethernet frames going in or out of an SG appliance.

❐Policy trace: A policy trace can provide debugging information on policy transactions. This is helpful, even when policy is not the issue. For information on using policy tracing, refer to Volume 10: Content Policy Language Guide.

❐Event Logging: The event log files contain messages generated by software or hardware events encountered by the appliance. For information on configuring event logging, see “Setting Up Event Logging and Notification” on page 15.

❐Access Logging: Access logs allow for analysis of Quality of Service, content retrieved, and other troubleshooting. For information on Access Logging, refer to Volume 8: Access Logging.

❐CPU Monitoring: With CPU monitoring enabled, you can determine what types of functions are taking up the majority of the CPU.

To test connectivity, use the following commands from the enable prompt:

❐ping: Verifies that a particular IP address exists and is responding to requests.

❐traceroute: Traces the route from the current host to the specified destination host.

❐test http get path_to_URL: Makes a request through the same code paths as a proxied client.

❐display path_to_URL: Makes a direct request (bypassing the cache).

❐show services: Verifies the port of the Management Console configuration.

❐show policy: Verifies if policy is controlling the Management Console.

For information on using these commands, refer to Chapter 2: “Standard and Privileged Mode Commands” in the Blue Coat ProxySG Command Line Reference.

Note: If you cannot access the Management Console at all, be sure that you are using HTTPS (https://SG_IP_address:8082). If you want to use HTTP, you must explicitly enable it before you can access the Management Console.

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Contents Blue Coat Systems SG Appliance Contact Information Contents Diagnostics Appendix a Glossary Index Volume 9 Managing the Blue Coat SG Appliance Document Conventions About Managing the SG ApplianceVolume 9 Managing the Blue Coat SG Appliance Automatically Registering the SG Appliance with Director Using Director to Manage SG SystemsDirector Registration Requirements Related CLI Commands for Director RegistrationRegistering the SG Appliance with Director To register the appliance with a DirectorTo view the fingerprint of the key Setting up Director and SG Appliance CommunicationSystem Summary Monitoring the System and DisksTo delete a key To view the system summary statisticsTo view the system environment statistics Viewing System Environment SensorsTo view disk status or take a disk offline Viewing Disk StatusConfiguring Which Events to Log Setting Up Event Logging and NotificationViewing SSL Accelerator Card Information To view SSL accelerator cardsRelated CLI Commands for Setting the Event Logging Level Setting Event Log SizeRelated CLI Commands to Set the Event Log Size Enabling Event NotificationTo enable event notifications Related CLI Commands to Enable Event NotificationsSyslog Event Monitoring Viewing the Event Log Configuration Viewing Event Log Configuration and ContentTo enable syslog monitoring Related CLI Commands to Enable Syslog MonitoringViewing the Event Log Contents To enable and configure Snmp Configuring SnmpRelated CLI Commands to Enable and Configure Snmp Enabling SnmpTo set or change community strings Configuring Snmp Community StringsConfiguring Snmp Traps To enable Snmp trapsRelated CLI Commands for Enabling Snmp Traps Health Monitoring Requirements Configuring Health MonitoringAbout Health Monitoring About the Health Monitoring Metric TypesAbout License Expiration Metrics Health Monitoring ExampleAbout Health Monitoring Notification About the General MetricsAbout the Licensing Metrics Metric Threshold States and Corresponding Values About the Status MetricsTo change the threshold and notification properties Changing Threshold and Notification PropertiesGetting a Quick View of the SG Appliance Health To review the health monitoring statistics Viewing Health Monitoring StatisticsRelated CLI Syntax to View Health Monitoring Statistics TroubleshootingVolume 9 Managing the Blue Coat SG Appliance Restarting the SG Appliance Hardware and Software Restart OptionsTo restart the SG appliance Restore-Defaults Restoring System DefaultsKeep-Console Factory-DefaultsClearing the DNS Cache To restore system defaultsClearing the Object Cache To clear the DNS cacheClearing the Byte Cache Troubleshooting TipClearing Trend Statistics Upgrading the SG ApplianceTo upgrade the SG appliance SG Appliance 5.x Version UpgradeRelated CLI Syntax to Upgrade the Sgos Software To view Sgos system replacement options Managing SG Appliance SystemsTo view details for an Sgos system version Setting the Default Boot System Example SessionTo set the SG appliance to run on the next hardware restart Replacing an SG Appliance System Locking and Unlocking SG Appliance SystemsTo lock a system To unlock a systemDisk Reinitialization Deleting an SG Appliance SystemMulti-Disk SG Appliances To delete a systemDeleting Objects from the SG Appliance Single-Disk SG ApplianceTo delete a single object from the SG appliance To delete multiple objects from the SG applianceDiagnostics Diagnostic Reporting Service Information Sending Service Information AutomaticallyTo send service information automatically Managing the Bandwidth for Service Information Related CLI Syntax to Send Service InformationTo manage bandwidth for service information To send service information Configure Service Information SettingsSGOS#diagnostics service-info subcommands Creating and Editing Snapshot Jobs To create a new snapshot jobTo edit an existing snapshot job Related CLI Syntax to Edit an Existing Snapshot Job Following subcommands are availablePacket Capturing the Job Utility Pcap File Name FormatCommon Pcap Filter Expressions Using Filter Expressions in the CLI Configuring Packet CapturingTo enable, stop, and download packet captures Diagnostics Viewing Current Packet Capture Data Related CLI Syntax to Define Packet Capturing SettingsCore Image Restart Options To configure core image restart optionsUploading Packet Capture Data To view current packet capture statisticsDiagnostic Reporting Heartbeats To set daily heartbeats and/or Blue Coat monitoringRelated CLI Syntax to Manage Heartbeats and Monitoring Diagnostic Reporting CPU Monitoring To configure and view CPU monitoringRelated CLI Syntax to Configure and View CPU Monitoring Volume 9 Managing the Blue Coat SG Appliance Selecting the Graph Scale StatisticsTraffic Mix Viewing Traffic Distribution StatisticsUnderstanding Chart Data Refreshing the DataAbout Bypassed Bytes About the Default Service Statistics Viewing Bandwidth Usage or GainTo view bandwidth usage or gain statistics Viewing Client Byte and Server Byte Traffic Distribution Viewing Traffic HistoryTo view client and server byte statistics Supported Proxy Types and Services Unsupported Proxy Types Viewing Bandwidth Management Statistics Viewing the ADN HistoryViewing Protocol Statistics To view client and server byte or bandwidth gain statisticsSSL History Resources Statistics Viewing System StatisticsViewing CPU Utilization To view CPU utilizationTo view concurrent users Viewing Concurrent UsersViewing Memory Use Statistics Viewing Disk Use StatisticsTo view disk use statistics To view memory use statisticsTo view data allocation statistics Viewing Data Allocation Statistics in RAM and on DiskContents Statistics To view the event log Event Logging StatisticsFailover Statistics Active Sessions-Viewing Per-Connection StatisticsTo view failover statistics Viewing Proxied Sessions Analyzing Proxied SessionsAbout the Proxied Sessions Statistics To view proxied sessionsProvided. See Viewing Sessions with Multiple Connections on Cache Hit Is unavailable if the content is non-cacheable or for Cifs Using the Tool Tips About MMS Streaming ConnectionsViewing Sessions with Multiple Connections MMS Understanding the Tree ViewWhat Is Not Displayed Filtering the DisplayAbout the Byte Totals Analyzing Bypassed Connections Statistics Viewing Html and XML Views of Proxied Sessions DataViewing Bypassed Connections About the Bypassed Connection StatisticsTo view bypassed connections 14. Filter Drop-Down List Viewing Html and XML Views of Bypassed Connections Data Viewing the Access LogViewing Health Monitoring Statistics Viewing Health Check StatisticsUsing the CLI show Command to View Statistics Statistics Volume 9 Managing the Blue Coat SG Appliance Appendix a Glossary URL Appendix a Glossary Drtr Icmp Volume 9 Managing the Blue Coat SG Appliance MACH5 MIB NTP 100 Network Tunneling tab 102 103 104 Index 106 Snmp 108
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