Users Guide

Contents 15
11 Monitoring and Logging System
Information
. . . . . . . . . . . . . . . . . . . . . . 407
System Monitoring Overview . . . . . . . . . . . . . . 407
What System Information Is Monitored?
. . . . . . 407
Why Is System Information Needed?
. . . . . . . 408
Where Are Log Messages Sent?
. . . . . . . . . . 408
What Are the Severity Levels?
. . . . . . . . . . . 409
What Are the System Startup and Operation
Logs? . . . . . . . . . . . . . . . . . . . . . . . . 409
What Is the Log Message Format?
. . . . . . . . . 410
What Factors Should Be Considered When
Configuring Logging?
. . . . . . . . . . . . . . . . 412
Default Log Settings
. . . . . . . . . . . . . . . . . . . 413
Monitoring System Information and Configuring
Logging (Web)
. . . . . . . . . . . . . . . . . . . . . . 414
Device Information
. . . . . . . . . . . . . . . . . 414
System Health
. . . . . . . . . . . . . . . . . . . 416
System Resources
. . . . . . . . . . . . . . . . . 417
Unit Power Usage History
. . . . . . . . . . . . . 418
Integrated Cable Test for Copper Cables
. . . . . . 419
Optical Transceiver Diagnostics
. . . . . . . . . . 420
Log Global Settings
. . . . . . . . . . . . . . . . . 421
RAM Log
. . . . . . . . . . . . . . . . . . . . . . 422
Log File
. . . . . . . . . . . . . . . . . . . . . . . 424
SYSLOG Server
. . . . . . . . . . . . . . . . . . . 424
Email Alert Global Configuration
. . . . . . . . . . 427
Email Alert Mail Server Configuration
. . . . . . . 427
Email Alert Subject Configuration
. . . . . . . . . 429
Email Alert To Address Configuration
. . . . . . . 430
Email Alert Statistics
. . . . . . . . . . . . . . . . 430