Content

| Summary

The requirement for monitoring and securing multilayered networks has increased with the advent of data rich technology such as voice over IP and streaming multi-media. This module covered discussion and implementation of mechanisms for monitoring traffic and securing switches in a multilayer switched network to improve the quality of service delivered by the network.

Traffic monitoring technologies discussed included:

- SPAN
- VSPAN
- RSPAN
- Specialist traffic monitoring and control hardware

Security-related technologies discussed included:

- Access control policy
- Basic security measures
- Communications encryption
- Securing remote management
- Securing user access
- Authentication, Authorization and Accounting
- Port security
- Protected ports
- 802.1X port-based authentication