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