Natalie De Koker Lindsay Haley Jordan Lunda Matty

Natalie De Koker, Lindsay Haley, Jordan Lunda, Matty Ott Virtual Networks and VLAN

Virtual Private Networks

PPTP VPNs • Point-to-Point Tunneling Protocol (PPTP) – PPTP uses a control channel over TCP – PPTP was the first VPN protocol that was supported by Microsoft Dial-up Networking – Many security vulnerabilities found; no longer recommended by Microsoft

L 2 TP & SSL VPN’s • Layer 2 Tunneling Protocol (L 2 TP) – VPN Concentrator (LAC) – LNS – Site-to-site VPN connection – Uses IPSec for security of connection

L 2 TP & SSL VPN’s • SSL VPNs – Other options than PPTP and L 2 TP. • Open. VPN • Pure IPSec connections are possible. – Security encoded directly into application

Virtual LANs Security Cameras Users Printers Vo. IP Phones

Virtual LANs Users Phones Security Cams Printers

Virtual LANs

Trunking • Trunk port Router Sw-1 Trunk Sw-2

Trunking • Virtual Trunk Protocol (VTP) Sw-1 Sw-4 Sw-2 Sw-3

Configuring a VLAN-capable Switch • Managed Switch

Configuring a VLAN-capable Switch

Inter. VLAN Routing • Inter. VLAN Routing Mr. Roger’s House, VLAN 100 Neighborhood of Make-Believe, VLAN 101

Multilayer Switches • Load Balancing • Qo. S and Traffic Shaping • Network Protection

Load Balancing

Multilayer Switch Using a multilayer or content switch – Content Switch

Qo. S & Traffic Shaping • Quality of service (Qo. S) • Traffic Shaping

Network Protection • Intrusion Detection/Prevention – Intrusion Detection System (IDS) – Intrusion Prevention System (IPS) • Port Mirroring • Proxy Servers • Port Authentication

Questions?