Administrator Guide

14 Contents
Configuring Captive Portal (Web). . . . . . . . . 323
Configuring Captive Portal (CLI)
. . . . . . . . . 341
Captive Portal Configuration Example . . . . . . 347
In Case Of Problems in Captive Portal
Deployment
. . . . . . . . . . . . . . . . . . . . 351
11 Monitoring and Logging System
Information . . . . . . . . . . . . . . . . . . . . . . 353
System Monitoring Overview . . . . . . . . . . . . . 353
What System Information Is Monitored?
. . . . . 353
Why Is System Information Needed?. . . . . . . 354
Where Are Log Messages Sent?
. . . . . . . . . 354
What Are the Severity Levels?
. . . . . . . . . . 355
What Are the System Startup and Operation
Logs?
. . . . . . . . . . . . . . . . . . . . . . . 355
What Is the Log Message Format? . . . . . . . . 356
What Factors Should Be Considered When
Configuring Logging?
. . . . . . . . . . . . . . . 357
Default Log Settings
. . . . . . . . . . . . . . . . . . 358
Monitoring System Information and Configuring
Logging (Web)
. . . . . . . . . . . . . . . . . . . . . 359
Device Information
. . . . . . . . . . . . . . . . 359
System Health
. . . . . . . . . . . . . . . . . . . 361
System Resources
. . . . . . . . . . . . . . . . 362
Unit Power Usage History
. . . . . . . . . . . . 363
Integrated Cable Test for Copper Cables. . . . . 364
Optical Transceiver Diagnostics
. . . . . . . . . 365
Log Global Settings
. . . . . . . . . . . . . . . . 367
RAM Log . . . . . . . . . . . . . . . . . . . . . 368
Log File
. . . . . . . . . . . . . . . . . . . . . . 369
Syslog Server
. . . . . . . . . . . . . . . . . . . 369
Email Alert Global Configuration
. . . . . . . . . 372