![]() Because of the implicit deny all, there is no need to configure a deny ip any any statement. All other traffic sourced from the LANs will not be encrypted. This interesting traffic will trigger the IPsec VPN to be implemented when there is traffic between the R1 to R3 LANs. Step 3: Identify interesting traffic on R1.Ĭonfigure ACL 110 to identify the traffic from the LAN on R1 to the LAN on R3 as interesting. Verify that the Security Technology package has been enabled by using the show version command. Save the running-config and reload the router to enable the security license.Į. R1(config)# license boot module c1900 technology-package securityk9Ĭ. If the Security Technology package has not been enabled, use the following command to enable the package. On R1, issue the show version command to view the Security Technology package license information.ī. Step 2: Enable the Security Technology package.Ī. OSPF 101 Part 1: Configure IPsec Parameters on R1 Step 1: Test connectivity.SSH username and password: SSHadmin / ciscosshpa55.Password for console line: ciscoconpa55.The routers have been pre-configured with the following: Only unbolded parameters have to be explicitly configured. IPsec operates at the network layer and protects and authenticates IP packets between participating IPsec devices (peers), such as Cisco routers. IPsec provides secure transmission of sensitive information over unprotected networks, such as the Internet. R2 acts as a pass-through and has no knowledge of the VPN. The IPsec VPN tunnel is from R1 to R3 via R2. Your task is to configure R1 and R3 to support a site-to-site IPsec VPN when traffic flows between their respective LANs. The network topology shows three routers. Configure R1 to support a site-to-site IPsec VPN with R3.Verify connectivity throughout the network.Packet Tracer – Configure and Verify a Site-to-Site IPsec VPN Using CLI Topology ![]()
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