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LinkedIn Learning

Cisco Network Security: Secure Routing and Switching

via LinkedIn Learning

Overview

Learn how to secure Cisco routers and switches, mitigate Layer 3 and Layer 2 attacks, and secure a VLAN.

Syllabus

Introduction
  • Welcome
  • What you need to know
  • Packet Tracer and exercise files
  • Prepare for the CCNA Security exam
1. Secure Routing and Switching
  • Secure routing and switching: Overview
  • Control, data, and management planes
  • Router and switch security basics
2. Securing Cisco Routers
  • Layer 3 attacks: Overview
  • Secure the control plane
  • Examine privilege levels
  • Assign privilege levels
  • Configure IOS role-based CLI access
  • Implement IOSR Resilient Configuration
  • Routing update authentication
  • Challenge: EIGRP authentication
  • Solution: EIGRP authentication
3. Security on Cisco Switches
  • Layer 2 attacks: Overview
  • Spanning-Tree Protocol
  • STP attacks
  • ARP spoofing
  • MAC spoofing
  • macof attack
  • CDP/LLDP reconnaissance
  • DHCP spoofing
4. Mitigation Procedures
  • Implement DHCP snooping
  • Dynamic ARP inspection
  • Implement port security
  • BPDU guard, root guard, and loop guard
5. VLAN Security
  • VLAN attacks
  • Security implications of a PVLAN
  • Security implications of a native VLAN
Conclusion
  • Next steps

Taught by

Lisa Bock

Reviews

4.7 rating at LinkedIn Learning based on 186 ratings

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