Virtual Private Networks

• PPTP VPN
• L2TP VPN
• SSL VPN
• DTLS VPN
• DMVPN
• Alternative VPNs

Virtual LANs

• Switch Management
• Trunking
  • VLAN Trunking Protocol
• Congfiguring a VLAN-Capable Switch
• Tagging
• InterVLAN Routing
  • DHCP and VLANs
• Troubleshooting VLANs Troubleshooting a new VLAN is mostly about port assignment. Often the incorrect port assignement was given. Fix this by changing the VLAN assignment.

Multilayer Switches

Four common areas where multilayer switches are useful 1. Load Balancing - DNS Load Balancing - Content Switch 2. QoS and Traffic Shaping 3. Port Bonding 4. Network Protection - Intrusion Detection/Intrusion Prevention - Port Mirroring - Proxy Serving - AAA