# System Logging Overview

E Series Broadband Services Routers enable you to log system events to discover and isolate problems with your system. This chapter explains how to use the command-line interface (CLI) to monitor your system’s log configuration and stay informed about all system events that you want to track.

This chapter contains the following sections:

- Overview of System Logging
- Logging Platform Considerations
- Configuring Event Logging
- Configuring Log Severity for Individual and Systemwide Logs
- Configuring Log Verbosity for Individual Logs or All Logs
- Setting the Timestamp for Log Messages
- Configuring Log Filters
- Turning Off Log Filters
- Monitoring Logging System Events