Virtual Networks & VLANs

Virtual Networks & VLANs

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

N 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

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

L2TP & SSL VPNs SSL VPNs Other options than PPTP and L2TP. OpenVPN Pure IPSec connections are possible.

Security encoded directly into application Virtual LANs Security Cameras

Users Printers VoIP 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

InterVLAN Routing InterVLAN Routing Mr. Rogers House, VLAN 100

Neighborhood of Make-Believe, VLAN 101 Multilayer Switches Load Balancing QoS and Traffic Shaping Network Protection

Load Balancing Multilayer Switch Using a multilayer or content switch Content Switch

QoS & Traffic Shaping Quality of service (QoS) Traffic Shaping Network Protection Intrusion Detection/Prevention

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

Questions?

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