4.0 Secure Routing and Switching

4.0 Secure Routing and Switching

4.1 Security on Cisco routers

  • 4.1.a Configure multiple privilege levels
  • 4.1.b Configure Cisco IOS role-based CLI access
  • 4.1.c Implement Cisco IOS resilient configuration

4.2 Securing routing protocols

  • 4.2.a Implement routing update authentication on OSPF

4.3 Securing the control plane

  • 4.3.a Explain the function of control plane policing

4.4 Common Layer 2 attacks

  • 4.4.a Describe STP attacks
  • 4.4.b Describe ARP spoofing
  • 4.4.c Describe MAC spoofing
  • 4.4.d Describe CAM table (MAC address table) overflows
  • 4.4.e Describe CDP/LLDP reconnaissance
  • 4.4.f Describe VLAN hopping
  • 4.4.g Describe DHCP spoofing

4.5 Mitigation procedures

  • 4.5.a Implement DHCP snooping
  • 4.5.b Implement Dynamic ARP Inspection
  • 4.5.c Implement port security
  • 4.5.d Describe BPDU guard, root guard, loop guard
  • 4.5.e Verify mitigation procedures

4.6 VLAN security

  • 4.6.a Describe the security implications of a PVLAN
  • 4.6.b Describe the security implications of a native VLAN
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