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Natalie De Koker, Lindsay Haley, Jordan Lunda, Matty Ott

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Virtual Private Networks

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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

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L2TP & SSL VPNs Layer 2 Tunneling Protocol (L2TP) VPN Concentrator (LAC) LNS Site-to-site VPN connection Uses IPSec for security of connection

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L2TP & SSL VPNs SSL VPNs Other options than PPTP and L2TP. OpenVPN Pure IPSec connections are possible. Security encoded directly into application

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Virtual LANs Security CamerasUsers Printers VoIP Phones

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Virtual LANs Users Printers Security Cams Phones

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Virtual LANs

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Trunk port Trunking Sw-1 Sw-2 Router Trunk

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

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Configuring a VLAN-capable Switch Managed Switch

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Configuring a VLAN-capable Switch

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InterVLAN Routing Mr. Rogers House, VLAN 100 Neighborhood of Make-Believe, VLAN 101

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Multilayer Switches Load Balancing QoS and Traffic Shaping Network Protection

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Load Balancing

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Multilayer Switch Using a multilayer or content switch Content Switch

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QoS & Traffic Shaping Quality of service (QoS) Traffic Shaping

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

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Questions?