If anyone does spot any errors/issues please let me know so I can amend this guide. Equally, not all operating systems can use just DHCPv6, so we need to use a combination to get the best overall result. It was my typing mistake. Network topology for GRE tunnel using Cisco and Mikrotik routers Both routers are connected to the internet at different locations. running IOS version 12.4 or greater, and depending on your router, Advanced IP Services feature set (check the cisco feature navigator for your model to confirm which feature set you need - http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp Opens a new window). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. can be securely transmitted through the VPN tunnel. Configure Cisco Router for Remote Access PPTP VPN Connections | Aaron Walrath - Another IT Guy's Meanderings. Setting up a GRE Tunnel on a Cisco Router. The firewall config above is just a basic setup for testing and enthusiast use, it will need to be more thorough if you are to use it in a production environment. This approach is typically used for site-to-site VPN tunnels that appear as virtual wide area network connections. ! It is the first step in configuring EIGRP on a router as done here on R1: R1>enable R1#configure terminal Enter configuration commands, one per line. R2(config-router)#no auto-summary If EIGRP has indeed completed its exchange of routing information or in other words if EIGRP has fully converged, R2 should have routing information about Loopback0 network of R3, that is, 10.10.3.0/24. We will enable EIGRP on Fa0/0 and S0/0 on R1 and you should carefully note the inverse mask used with the network command: R1(config-router)#network 172.16.13.0 0.0.0.255 Im guessing that since the customer MACs would be part of the inner VLANs that the ISP switches will NOT see those MACs in the outer VLANs when going through the ISP network. To make a point, we have configured VLAN 10 in Customer B network as well along with 10.1.1.0/24 IP for MGMT just like below. We Provide Technical Tutorials and Configuration Examples about TCP/IP Networks with focus on Cisco Products and Technologies. Please note that if you configured NAT, you should use the current server IP address in the above configuration, instead of Incapsula Protected IP. Try browsing to http://ipv6.google.com Opens a new window and also http://test-ipv6.com/ Opens a new window to test your IPv6 connectivity. Configuring IPSec Phase 1 (ISAKMP Policy). 6 Total Steps Cisco IOS routers can be used to setup VPN tunnel between two sites. These steps are: (1) Configure ISAKMP (ISAKMP Phase 1) (2) Configure IPSec (ISAKMP Phase 2, ACLs, Crypto MAP) Our example setup is between two branches of a small company, these are Site 1 and Site 2. i am going to read more from this website! After configuring the following, the GRE tunnel should be up. http://www.opendns.com/ipv6/ Opens a new window - OpenDNS IPv6 Sandbox Once in, create a regular tunnel from the user functions section on the left, choosing a tunnel server closest to where you are and making sure your IPv4 endpoint is correct (your static WAN address). Find the right plan for you and your organization. R2 indeed knows about 10.10.3.0/24 network. By running the command show ip route you basically instruct the router to display all the routes in its routing table. Hi Philippe, Yes, you are correct. ipv6 nd other-config-flag Also, you allow me to send you informational and marketing emails from time-to-time. Using a tunnel broker for IPv6 access is great for testing and enthusiast use, but not ideal for production environments. Remember that we also enabled EIGRP on Looback0 interfaces on both R2 and R3. Configuration of Q-in-Q tunnelling in Cisco is very simple. ipv6 dhcp pool v6-pool Components Used sequence 10 permit tcp any any established ipv6 access-list outside-in6 Below we are configuring access vlan 10 for CusA and vlan 11 for CusB. Its plain VLAN configuration and customer have full control to forward VLAN through this tunnel. To configure the tunnel source and destination, issue the "tunnel source {ip-address | interface-type}" and "tunnel destination {host-name | ip-address}" commands under the interface configuration mode for the tunnel. From this point, you can ping the server and start seeing traffic routed through Incapsula. Enter the following commands on your Cisco router to establish policy-based routing. Q-in-Q Tunneling is to allow service providers or hosting provider or data center, 4096 VLAN inside of each one of 4096 VLAN. We will follow below diagram for our LAB. Digi International Inc. 5.81K subscribers This is a demo of how to configure a GRE tunnel between a Digi Accelerated Linux (DAL) cellular extender and a Cisco IOS router. One platform that meets your industrys unique security needs. Static routing sends traffic from the Incapsula Protected IP to a fixed address for your server. end. Enter the following commands to apply the policy route to the LAN interface, where the server is connected. The first is theneighbor table. When accessing the corporate boundary, the client initiates a connection, and the request passes through the internet. Were including instructions for Cisco routers because they continue to be the most popular brand of enterprise routers and network switches. tunnel mode ipv6ip Enter configuration commands, one per line. If in doubt, go back and look at the provided configuration for R2 and R3. Also wouldnt CDP for CustB-S1 show CustB-S2 as next hop, rather than ISP-SW1? First, configure your firewall device with the appropriate tunnel interfaces. That completes our EIGRP configuration on R1, R2, and R3 and its time to verify if our configuration works as expected. Lets verify that our tunnel is working: Above you can see that the tunnel interface is up/up on both routers. Your email address will not be published. Helped me to understand well. Imperva prevented 10,000 attacks in the first 4 hours of Black Friday weekend with no latency to our online customers., Ensure consistent application performance, Secure business continuity in the event of an outage, Ensure consistent application availability, Imperva Product and Service Certifications, The Worrying Rise of Cybercrime as a Service (CaaS), From Online Fraud to DDoS and API Abuse: The State of Security Within eCommerce in 2022, 13 Cybersecurity Horror Stories to Give you Sleepless Nights, Imperva Stops Hordes of Bots from Hijacking Financial Accounts in Largest Recorded Account Takeover Attack, Microsoft Exchange Server Vulnerabilities CVE-2022-41040 and CVE-2022-41082, How Scanning Your Projects for Security Issues Can Lead to Remote Code Execution. R1 (config)#router eigrp 100 description Hurricane Electric IPv6 Tunnel Broker EIGRP configuration is pretty straightforward itself as we are going to see first hand in the next couple of pages. Both tunnels must be configured at your gateway. R1(config-router)#end He is a self-published author of two books ("Cisco ASA Firewall Fundamentals" and "Cisco VPN Configuration Guide") which are available at Amazon and on this website as well. Cookie Preferences Trust Center Modern Slavery Statement Privacy Legal, Copyright 2022 Imperva. no ip address ! We also need to permit established tcp sessions due to the bug in the tcp inspect. You also need a static address assigned to your Internet connection. It was exactly whas i was looking for. Its clearly showing we have Q-in-Q tunnel configuration in Gi0/0 and Gi0/1 interface. We use Elastic Email as our marketing automation service. We can tunnel these routing protocols so that the HQ and branch router can exchange routing information. If your config isn't right you may find you have difficulty accessing some sites. C 10.10.2.0 is directly connected, Loopback0 This table has information about the neighbor routers which are directly connected. If we configured EIGRP correctly R1 should have established EIGRP adjacencies with both R2 and R3. R1(config)#router eigrp 100 You can see two neighbors 172.16.13.3 and 192.168.12.2 which happen to be the IP addresses of interfaces of R3 and R2 directly connected to R1. EIGRP is Cisco proprietary which means it is available only on Cisco routers and switches. interface Vlan1 (or whatever your local vlan is) Which adaptive security appliance command can be used to see a generic framework of the requirements for configuring a VPN tunnel between an adaptive security appliance and a Cisco IOS router at a remote office? Q-in-Q Tunneling configuration in Cisco Catalyst. Use the Cisco IOS command line interface (CLI) to access your routers global configuration command mode. ipv6 inspect name ipv6-firewall ftp From ISP-SW3, we will do the similar configuration for Customers 2nd site (CusA-S2 and CusB-S2). Customer need to configure on their end only for future changes. For example: Another example is where we have an HQ and a branch site and you want to run a routing protocol like RIP, OSPF or EIGRP between them. Configuring Firewall Rules as per change requests. ipv6 unicast-routing We'll also go through enabling a basic firewall to make sure your network is protected. When you are IPv6 enabled, most browsers will use IPv6 in preference to IPv4. Go to the global configuration mode and enter the following commands: interface FastEthernet0/0 ip address 192.168.1.1 255.255.255. So, let's get started. And with the configuration as it stands, they are all open and bare to the world with no protection other than your operating system's own firewall. ipv6 address /64 Before going to the configuration part, lets discuss the benefits of q-in-q tunnel. Will MACs from the Customers inner VLANs (10-20, and 10/20/30/0) be seen on the ISP switches in VLANs 10/11s MAC tables? On your router, configure network address translation from the Incapsula Protected IP to your current server IP. A destination is in the Passive state when the other routers know about a way to reach this destination. You should now be able to connect to the IPv6 world from your router, try pinging google's IPv6 server and see if you get a response! Moreover, each destination can be shown as either Passive or Active. The router would send EIGRP messages and try to establish adjacencies with other EIGRP speaking routers off these interfaces. The router eigrp command entered in global configuration mode with autonomous-system-number argument creates an EIGRP routing instance. Packet fragmentation is not an option with IPv6, so ICMP messages are a bit more important. In this post, I will show steps to Configure Site to Site IPSec VPN Tunnel in Cisco IOS Router . I done the correction accordingly. D 10.10.3.0 [90/2323456] via 192.168.12.1, 00:00:17, Serial0/0. name can be any value, but must be the same in all instances. R1(config-router)#no auto-summary How to configure a GRE Tunnel on a Cisco Router 6,435 views Jan 10, 2015 26 Dislike Share Save Santech Solutions 122 subscribers Topology: https://drive.google.com/file/d/0B-Co. R1. Creating Local Server From Public Address Professional Gaming Can Build Career CSS Properties You Should Know The Psychology Price How Design for Printing Key Expect Future. ! ipv6 dhcp server v6-pool If you are using Windows 7 or OS X, you should get a IPv6 address automagically and be able to route out to the world. For this demonstration I will be using the following 3 routers: R1 and R3 each have a loopback interface behind them with a subnet. display all the routes in its routing table. After importing the config files, view the Integrity Checks report by selecting Report > Report Manager and then selecting the Configuration Report>Summary of Integrity Checks Report item. Let me show you the basic configuration of these routers so that you can recreate it if you want: I created a static route on the HQ and Branch router so that they can reach each other through the ISP router. You can then inspect tcp packets as well as part of your firewall config. tunnel source I am new to Tunnelling stuff. In the routing table all the real routes to destinations are stored. They will be unable to reach the networks on each others loopback interfaces however. ipv6 cef Enter configuration commands, one per line. Today we will look at an example setting up a VPN tunnel between a main office and a remote branch office.. At our disposal, we have: Cisco 2800 router in the main office (R-MAIN) Main office user LAN 192.168.10. R3(config-router)#end. This document describes how to configure a policy-based VPN (site-to-site) over Internet Key Exchange (IKEv1) between two Cisco routers (Cisco IOS or Cisco IOS XE), which allows users to access resources across the sites over an IPsec VPN tunnel. This shows R1 has successfully established EIGRP adjacencies with both R2 and R3. The successor and feasible successor will serve as the next hop router for destination networks. Deployment Steps: Step 1: Configuring a VPN policy on Site A SonicWall. We will follow below diagram for our LAB. Finally, this is provided to try and put something back into the spiceworks community, (I really don't contribute enough). Anyone who is working on VPN setup using Cisco routers with IOS XE may use this configuration . Now, we will configure customer facing interfaces. Entry into the IPSec tunnel is only for locally sourced traffic from the RP or DRP, and is dictated by the access control lists (ACL) configured as a part of the profile that is applied to the Tunnel-IPSec. enable You can verify it by pinging, Configure a static route on your router device (this will direct traffic toward it). Under Local Networks, click Add, and then enter the LAN IP network address and netmask of the CradlePoint router and click Save. R2(config)#router eigrp 100 Create and Configure Cisco VPN Interface IPsec Feature Template The first two steps deal with configuration of IPsec feature template. Then, make sure to specify which interfaces on the router are internal and which are external. Required fields are marked *. We'll use OpenDNS's new IPv6 servers, cheers OpenDNS. An Imperva security specialist will contact you shortly. Before we begin with the tunnel configuration, we need to make sure no ACL is blocking GRE protocol (47) from the Incapsula Public IP to the Customer Public IP. Cisco IOS routers can be used to setup IPSec VPN tunnel between two sites. Useful links are good, notably IPv6 OpenDNS. Before we begin with the tunnel configuration, we need to make sure no ACL is blocking GRE protocol (47) from the Incapsula Public IP to the Customer Public IP. Creating Local Server From Public Address Professional Gaming Can Build Career CSS Properties You Should Know The Psychology Price How Design for Printing Key Expect Future. Prerequisites Requirements There are no specific requirements for this document. Learn how to configure a secure IPSec VPN tunnel on a Cisco IOS router. dns-server 2620:0:CCC::2 http://en.wikipedia.org/wiki/Comparison_of_IPv6_support_in_operating_systems Opens a new window Create an access-list, allowing ICMP through to our local prefix, and SSH to the router for remote admin purposes. Now, we will configure customer end. Then, make sure to specify which interfaces on the router are internal and which are external. To help make this an easy-to-follow exercise, we have split it into two steps that are required to get the Site-to-Site IPSec VPN Tunnel to work. Lets see if both routers can reach each other: There we gothey can ping each other without any issues! Long story short, trying to test this and mostly wondering what the MAC tables would look like but cant find a simulator/emulator that is known to have QnQ functions. Required fields are marked *. Protect your business for 30 days on Imperva. The first step is to configure your firewall device with the appropriate tunnel interfaces. R3(config)#router eigrp 100 So let's configure the Network Interfaces on Router R1. In next section, we will configure site for Customer B (CusB). A company has decided to migrate an existing IKEv1 VPN tunnel to IKEv2. enable Configuration, Troubleshooting and Maintenance of Palo Alto Firewalls - PA200, PA2000 series, PA3000 series, PA4000 series and PA5000 series. Now, if our configuration is OK, then we will be able to see from CusA-S1 to CusA-S2 as a connected next-hop. Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall. ipv6 enable The "Asymmetric GRE tunnels" integrity check will appear if there is a GRE tunnel defined at one end of the tunnel but not the other. To configure recursive static routes, use the following syntax: Router(config)# ip route network-address subnet-mask ip-address a. Ill try how to become a CCIE (Routing & Switching) & Security certified and training also .. would you give some idea how to prepared and how to gain huge knowledge on this subject.. That completes your configuration. Enhanced Interior Gateway Routing Protocol (EIGRP) is an enhanced version of the now obsolete IGRP. Creat crypto ACI that permits GRE traffic from the outside interface of the local router to the outside interface of the remote router, as shown: access-list 120 permit gre host (local outside interface ip) host (Remote outside interface IP) Configure crypto map and bind transform set and crypto Access Control List (ACL) to crypto map. Example Scenario A sample scenario is created below to make audience more clear on configuring GRE Tunnel across sites. Basically when you configure a tunnel, it's like you create a point-to-point connection between the two devices. dns-server 2620:0:CCD::2 Excellent ! On the R1 router, configure a static route to the 192.168.1. network using the IP address of the Serial 0/0/0 interface of R3 as the next-hop address.Write the command you used in the space provided. After Tunnel configuration, we need to write a Static Route on Router 0 and Router 2. F5 BIG-IP Local Traffic Manager (LTM) Training, Palo Alto Firewall Configuration through CLI, How to configure ERSPAN on Cisco Nexus Switches, How to configure TACACS+ on Cisco Routers and Switches, How to configure SNMP v3 in Cisco Nexus Devices, How to Configure IPSec VPN on Palo Alto Firewall, How to install F5 BIG-IP Virtual Edition on AWS. Ill use EIGRP for this: Ill activate EIGRP on the tunnel and loopback interfaces. You may need to reboot, and make sure you haven't disabled IPv6 at some point in the past. After that, we will move on router two and configure all the required configuration. sequence 20 permit tcp any host eq 22 Enter the following commands to create an access list that will match traffic from the Incapsula Protected IP to any destination. You'll also be assigned a routed /64 prefix, which is going to be your routable IPv6 range for your internal LAN. http://test-ipv6.com/ Opens a new window - Test your IPv6 connectivity http://en.wikipedia.org/wiki/IPv6 Opens a new window - More info from Wikipedia regarding IPv6 in general Success rate is 100 percent (5/5), round-trip min/avg/max = 16/55/136 ms, The protocol uses three tables to store network information. http://ipv6.google.com Opens a new window - Google's IPv6 server GRE Tunnel Static Route . After it is done, we will proceed with the configuration. end. Whilst it's been argued that port scanning is less likely to be an issue with every /64 prefix having 18,446,744,073,709,552,000 available addresses, there are still plenty of other really really good reasons why you need a firewall. !!!!! This how-to will guide you through setting up your Cisco router with IPv6 via a Tunnel Broker (In this case using the excellent, high-speed, free service from Hurricane Electric) over a standard IPv4 Internet connection. Below are the configuration of Customer A (CusA). Figure 2. Ill write something soon. configure terminal Well written to the point and can easily be understood. Create feature template Select Configuration section of the side menu Click on Templates Click on the Feature tab Learn how your comment data is processed. http://www.v6.facebook.com Opens a new window - Facebook anyone? R2 is just a router in the middle so that R1 and R3 are not directly connected. Click Next. This can be verified by examining the routing table on R2: C 192.168.12.0 is directly connected, Serial0/0 Terms of Use and Thanks Rene, 104 more replies! Step 1. How to configure Q-in-Q Tunneling in Cisco, How to configure VLAN on Cisco Catalyst Switch, DMVPN configuration with Single HUB in Cisco, How to recover Admin Password on Nexus Switches, How to configure Double-Sided vPC in Cisco Nexus, How to Install Check Point Firewall Gaia R80.20. play_arrow Routing Instances play_arrow Traffic Matrix Solver play_arrow LSP Tunnels play_arrow Optimizing Tunnel Paths play_arrow Tunnel Sizing and Demand Sizing play_arrow Tunnel Path Design play_arrow Inter-Area MPLS-TE play_arrow Point-to-Multipoint (P2MP) Traffic Engineering play_arrow Diverse Multicast Tree Design With this configuration, you dont need to configure the Incapsula Protected IP on the server itself. We'll also go through enabling a basic firewall to make sure your network is protected. You need a Spiceworks account to {{action}}. First lets configure ISP inside links. This table is created by data coming out of the topology table and includes all the destinations and also the successor and feasible successor to those destinations. http://tunnelbroker.net/ Opens a new window - Hurricane Electric end, When entering the first local routed /64 prefix ipv6 address above, if your assigned routed /64 prefix is (for example) 2001:470:1001:18f6::/64, your command would be - ipv6 address 2001:470:1001:18f6::1/64 (note the 1 just before the /64). I think there is a typo in ISP-SW3 configuration : in my understanding, Gi 0/0 should be plugged in VLAN 10. Lets see if thats the case: H Address Interface Hold Uptime SRTT RTO Q Seq, 1 172.16.13.3 Fa0/0 13 00:14:23 43 258 0 7 To manually configure a VPN Policy using IKE with Preshared Secret, follow the steps below: The below screen shot of SonicWall with basic configuration LAN and WAN. These steps are: (1) Configure ISAKMP (ISAKMP Phase 1) (2) Configure IPSec (ISAKMP Phase 2, ACLs, Crypto MAP) Our example setup is between two branches of a small company, these are Site 1 and Site 2. Cisco Nexus Training : Go from Beginner to Advanced! You can use EVE-NG or GNS3 for the lab. ! Service providers often meet the requirement for specific VLAN IDs and the number of VLANs to be supported from the customer end. Choose one of the following for the corresponding steps: 2. ipv6 inspect name ipv6-firewall icmp Harris Andrea is an Engineer with more than two decades of professional experience in the fields of TCP/IP Networks, Information Security and I.T. This is also for non-wireless routers, wireless is a little more fiddly to setup as IPv6 is not supported on bridged interfaces. R3(config-router)#network 10.10.3.0 0.0.0.255 A good example is when you have two sites with IPv6 addresses on their LAN but they are only connected to the Internet with IPv4 addresses.Normally it would be impossible for the two IPv6 LANs to reach each other but by using tunneling the two routers will put IPv6 packets into IPv4 packets so that our IPv6 traffic can be routed on the Internet. R1#configure terminal Sir, Yes, hard work and lots of study!!! ipv6 traffic-filter outside-in6 in sequence 30 permit icmp any Click the Enable VPN Service, then click Add. Both will work. Once it reaches the corporate boundary, the VPN server receives the request. This demo is using a. configure terminal Configured Cisco firewall through Initial setup. And that completes our EIGRP configuration on R1. If you enjoyed. Sending 5, 100-byte ICMP Echos to 10.10.3.3, timeout is 2 seconds: R3#configure terminal 4 Minute Read. ! The next step in configuring EIGRP is to specify which router interfaces are included in EIGRP using the network command. The topology table will not, as the name suggests, store data about the entire network topology but rather it has the aggregated information about routing tables which are taken from all the directly linked neighbors. We also call this encapsulation. Lets see if we can enable a routing protocol so that we can advertise the loopback interfaces. Thank you, very helpful! If there is CustA-S3 connected to ISP-SW3, then CDP for CustA-SW1 would see both of them on local port Gig 0/0? Basically when you configure a tunnel, its like you create a point-to-point connection between the two devices. Thank you. ! We can use this topology to simulate two routers that are connected to the Internet. In this article, well take you through the steps to configure a GRE tunnel on a Cisco router. On the left side we have the HQ router which is our headquarters. If you want IPv6 for your company, push your ISP for an allocation and route directly out. The router now actively updates the routes for that particular destination. GRE (Generic Routing Encapsulation) is a simple tunneling technique that can do this for us. Incapsula will provide you three IPs labeled Incapsula Public IP, Customer Private IP and Incapsula Private IP that will be used, together with the Customer Public IP to configure the GRE. It must be the same in all instances. How to setup VPN tunnel between mikrotik and cisco router | The Blog of Bimo Arioseno. tunnel destination So, data connectivity will look like dark fiber to the customers. Tunneling is a concept where we put packets into packets so that they can be transported over certain networks. The router eigrp command entered in global configuration mode with autonomous-system-number argument creates an EIGRP routing instance. Multiple Site to Site VPN Tunnels on One Cisco Router Configuration of VPN Between R1 and R2 Configuration of VPN Between R1 and R3 In previous tutorials, we have looked into how to configure Site to Site VPN Tunnel between two routers. We will be able to ping Site-2 from Site-1 for Customer A but will not be able to ping to CusB-S1 and CusB-S2 due to they are in different tunnel. Get the tools, resources and research you need. So, we have done with ISP end configuration. ! This how-to will guide you through setting up your Cisco router with IPv6 via a Tunnel Broker (In this case using the excellent, high-speed, free service from Hurricane Electric) over a standard IPv4 Internet connection. To configure the tunnel source and destination, issue the tunnel source {ip-address | interface-type} and tunnel destination {host-name | ip-address} commands under the interface configuration mode for the tunnel. Because, the routers needs to know how to reach to the users connected to the other end router. Useful commands: GRE (Generic Routing Encapsulation) is a simple tunneling technique that can do this for us. One of the most common tasks dealing with Cisco 881 and other routers is building a site to site VPN tunnel between different geographic locations. Now, as there is no NAT involved with IPv6, all the machines on your local network are on internet routable addresses. Only a single tunnel is operational at any time. It is the first step in configuring EIGRP on a router as done here on R1: R1>enable Whilst IPv4 is not going to suddenly disappear, you can get yourself ready now (or at least have some fun experimenting) with IPv6. Step 2: Configuring a VPN policy on Site B Cisco ASA Firewall Step 3: How to test this scenario. So, lets get started. Which two are valid configuration constructs on a Cisco IOS router? All destinations in the topology table will have a successor along with its feasible successor if they are available. The HQ and Branch router each have a loopback interface that represents the LAN. Keep an eye on that inbox for the latest news and industry updates. /24 Copyright 2022 | Privacy Policy | Terms and Conditions | Hire Me | Contact | Amazon Disclaimer | Delivery Policy. ! This is really useful and easy to implement. The first step is to configure your firewall device with the appropriate tunnel interfaces. To help make this an easy-to-follow exercise, we have split it into two steps that are required to get the Site-to-Site IPSec VPN Tunnel to work. You will see that both routers establish an EIGRP neighbor adjacency through the tunnel interface. Thanks for this very clear post. Right, now time to try accessing the IPv6 network from your local machine. It is an Interior Gateway Protocol (IGP) designed for routing within an administrative domain or autonomous system (AS). Now lets create a tunnel: You can pick any number for the tunnel interface that you like. Use network address translation (NAT) to translate the Incapsula Protected IP to the current IP address of your server. Remember to replace bold items with actual values. In this post, I will show steps to Configure IPSec VPN With Dynamic IP in I have already verified that both routers can ping each other so let's start the VPN configuration . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); A network engineer who loves to work in the area of routing, switching, and security in mixed vendor environment. 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