ITNE2005R Lab Tutorial 5 VPN.docx - Saujan Nakarmi ITNE...

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Saujan Nakarmi ITNE 2005R Develop Security Infrastructure Lab Tutorial 5 Configure and Verify a Site-to-Site IPsec VPN Submitted By- Saujan Nakarmi Student ID- 40595
ITNE2005R Lab Tutorial 5 FEB 2021 Configure and Verify a Site-to-Site IPsec VPN Objective Verify connectivity throughout the network. Configure R1 to support a site-to-site IPsec VPN with R3. The network topology shows three routers. Your task is to configure R1 and R3 to support a site-to-site IPsec VPN when traffic flows between their respective LANs. The IPsec VPN tunnel is from R1 to R3 via R2. R2 acts as a pass-through and has no knowledge of the VPN. IPsec provides secure transmission of sensitive information over unprotected networks, such as the Internet. IPsec operates at the network layer and protects and authenticates IP packets between participating IPsec devices (peers), such as Cisco routers. Figure 1 Topology Copyright © 2021 VIT, All Rights Reserved. 2
ITNE2005R Lab Tutorial 5 (Interface provided in the figure and IP addressing table might vary, please do the necessary correction if required) In this lab, you will perform the following tasks: Part 1: Configure Basic Device Settings Configure hostnames, interface IP addresses, and access passwords. Configure the OSPF dynamic routing protocol. Part 2: Configure a Site-to-Site VPN Using Cisco IOS Configure IPsec VPN settings on R1 and R3. Verify site-to-site IPsec VPN configuration. Test IPsec VPN operation. In this lab, you will build and configure a multi-router network, use Cisco IOS to configure a site-to-site IPsec VPN, and then test the VPN. The IPsec VPN tunnel is from R1 to R3 via R2. R2 acts as a pass-

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