With a route based VPN, all traffic sent out or received via the tunnel interface will be VPN traffic (and ttherefor encrypted). Were sorry. I am using a Fortinet FortiWiFi FWF-61E with FortiOS v6.2.5 build1142 (GA) and a Cisco ASA 5515 with version 9.12 (3)12 and ASDM 7.14 (1). Route-based VPN allows you to possibly use dynamic routing protocols such as OSPF, EIGRP though it seems like ASA only supports BGP over VTI with the IOS version 9.8. In this post, we are going to link an Azure Virtual Network to an on-premise network via a Cisco ASA. The instructions in this article follow the same example as described in Configure IPsec/IKE policy for S2S or VNet-to-VNet connections to establish a S2S VPN connection. This section shows you how to update the policy-based traffic selectors option for an existing S2S VPN connection. The IP The connection uses a custom IPsec/IKE policy Thanks but this is not a solution unfortuantely. sysopt connection tcpmss 1350 sysopt connection preserve-vpn-flows! The Azure BGP PeerID is unreachable from the ASA and the BGP neighbourship remains down. might need to use loopback addresses? At the top of the Connections page, click +Add to open the Add connection page. To make a policy-based VPN connection using a route-based VPN gateway, configure the route-based VPN gateway to use prefix-based traffic selectors with the option "PolicyBasedTrafficSelectors". As a reminder, Oracle provides different configurations based on the ASA software: 9.7.1 or newer: Route-based configuration (this topic) 8.5 to 9.7.0: Policy-based configuration. The Checkpoint can be participating in other Policy Based / Domain based VPN's without impacting them. Traditionally, the ASA has been a policy-based VPN which in my case, is extremely outdated. This is the easiest set of instructions to follow for an S2S between an ASA and Azure for a route based vpn on the whole net. R1 (config)#crypto map MY-CRYPTO-MAP 10 ipsec-isakmp dynamic IPSEC-SITE-TO-SITE-VPN..To configure Generic Routing Encapsulation (GRE) over an IPSec tunnel between two routers, perform these steps: Create a tunnel interface (the IP address of tunnel . configure 2. as the peers won't establish! This article provides a list of validated VPN devices and a list of . Cloud Shell is a free interactive shell that you can use to run the steps in this article. Log in to the AWS console and navigate to the VPC panel. This section shows you how to enable policy-based traffic selectors on a connection. The steps in this article will create a VNet, a subnet, a gateway subnet, and a route-based VPN gateway (virtual network gateway). .1 is assigned to the firewall so all the route is doing is saying you will find the network (10.x.x.x/16) on the VTI interfaces network. You can check the release notes This feature allows setup BGP neighbor on top of IPSec tunnel with IKEv2. I know what you mean. For the purpose of this demonstration: Topology Name: VTI-ASA IKE Version: IKEv2 Step 4. If you want to substitute values, it's important that you always name your gateway subnet specifically 'GatewaySubnet'. ASA virtual Auto Scale solution with Azure Gateway Load Balancer. Make sure that your peer VPN gateway supports BGP. It can be an address assigned to the loopback interface on the device. How to Build a Site to Site VPN Between Azure and a Cisco ASA Introduction Details Versions Encryption Domain Azure Steps Create Virtual Network Create Virtual Machine Create Virtual Network Gateway Create Local Network Gateway Create Connection Cisco ASA Object-Groups Encryption Domain NAT Phase 1 Phase 2 Tunnel Group Crypto Additional Confirm Not applicable in this case, however, to your earlier comment, my client has pointed out to me that within the Azure documentation for the ASR VPN (which uses the same method as VTi on ASA) it does indeed state not the use 169.254/16 addresses for the tunnels The content you requested has been removed. gateway for your VNet is RouteBased. In audition i used packet tracer and traffic is permitted. The on-premises networks connecting through policy-based VPN devices with this mechanism can only connect to the Azure virtual network; The configuration option is part of the custom IPsec/IKE connection policy. This article uses PowerShell cmdlets. Im glad you found the post of use and thanks for the great feedback. Azure and ASA show the tunnel up and active, but having weird traffic issues. 1. Or, instead, use Azure Cloud Shell in your browser. But people have so far been having good results with it 1 Kudo Reply Get notified when there are additional replies to this discussion. As per the attached screenshot, obviously it is still beta firmware so keep that in mind! The following example creates an IPsec/IKE policy with these algorithms and parameters: Create the S2S VPN connection with policy-based traffic selectors and IPsec/IKE policy and apply the IPsec/IKE policy created in the previous step. Be aware of the additional parameter "-UsePolicyBasedTrafficSelectors $True", which enables policy-based traffic selectors on the connection. Make sure that billing is enabled for your Google Cloud project. These came first, essentially they work like this, "If traffic is destined for remote network (x) then send the traffic 'encrypted' to local security gateway (y)." Note: Where Local Security Gateway is a firewall at YOUR site, NOT in Azure! My understanding of this is that the IP address 169.254.225.2 (used for the static route) should exist on the Azure side of the tunnel, but there is no where to configure this on the Azure side. Thanks for this, indeed my configuration is on the latter, I was just making the observation that, was I on an ASR or ISR platform, using a loopback address and two tunnels immediately allows BGP to load balance across both tunnels. If you enable the policy-based traffic selector option, you must specify the complete policy (IPsec/IKE encryption and integrity algorithms, key strengths, and SA lifetimes). The last step is to define what destination(s) we will be routed over the VPN. Once the gateway creation has completed, you can then create . All Rights Reserved. View the policy-based traffic selectors option. Select VTI-Tunnel from the Mode drop-down list. The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. VTI is easier for me to get easy for me to get my head around too. also adding you need to apply policy azure end. Policy based VPN s encrypt a subsection of traffic flowing through an interface as per configured policy in the access list. Interface Tunnel1 "AZURE-VTI01", is down, line protocol is down Hardware is Virtual Tunnel MAC address N/A, MTU 1500 IP address 169.254.225.1, subnet mask 255.255.255.252 Tunnel Interface Information: Source interface: outside IP address: 123.123.58.194 Destination IP address: 40.115.49.202 Mode: ipsec ipv4 IPsec profile: AZURE-PROFILE Select Cisco ASA 3DES/AES License in the Product list, . This is requirement. It probably would have been fine for a new out the box ASA but not an ASA in production. https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-bgp-overview. It uses if_ipsec (4) from FreeBSD for Virtual Tunnel Interfaces (VTI) and traffic is directed using the operating system routing table. Choose the IKE Version. Configure AWS Step 1. Sending to .2 sends the traffic over the VTI interface which creates a tunnel to the Azure Gateway. The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article. I however cannot open TCP 179 from our end (our BGP peer address) to the Azure BGP Neighbour. Add a name for the tunnel in the Tunnel Name field. My Azure document was generated last week (Dec 27 2018). This is important when setting up the static VTI route at the end of this script! 5 Mar 28 2022 17:24:49 750001 Local:xx.xx.xx.xx:500 Remote:yy.yy.yy.yy:500 Username:Unknown IKEv2 Received request to establish an IPsec tunnel; local traffic selector = Address Range: 172.23.225.1-172.23.225.1 Protocol: 0 Port Range: 0-65535; remote traffic selector = Address Range: 172.126.219.12-172.126.219.12 Protocol: 0 Port Range: 0-65535, The Site to site is stablished, but I cant reach the other side. Microsoft Azure 'Route Based' VPN to Cisco ASA. 6. I'm not using BGP this is just a simple connection to Azure using VTI (I'm running version 9.9.2(36)). Route-based VTI . The following example enables the policy-based traffic selectors option, but leaves the IPsec/IKE policy unchanged: The following example disables the policy-based traffic selectors option, but leaves the IPsec/IKE policy unchanged: Once your connection is complete, you can add virtual machines to your virtual networks. Thanks you so much! configuration below focuses on one tunnel. 7. Find answers to your questions by entering keywords or phrases in the Search bar above. #IPsec Proposal!crypto ipsec profile AZURE-PROFILEset ikev2 ipsec-proposal AZURE-PROPOSAL! Route-based VPN is an alternative to policy-based VPN where a VPN tunnel can be created between peers with Virtual Tunnel Interfaces. This is shown in the following diagram: The workflow to enable this connectivity: Verify that you have an Azure subscription. We have deleted and recreated many times with no success. -An externally facing public IPv4 IP for this as well. Step 3. Learn how your comment data is processed. It does not rely on strict kernel security association matching like policy-based (tunnel mode) IPsec. Cisco Adaptive Security Appliance (ASA) supports route-based VPN with the use of Virtual Tunnel Interfaces (VTIs) in versions 9.8 and later. I read through the Azure configuration documents and yours. Cisco ASA: Route-Based VPN - YouTube 0:00 / 9:39 Cisco ASA: Route-Based VPN 6,196 views Jun 5, 2020 Within the Oracle Cloud Infrastructure, an IPSec VPN connection is one of the. Subscribe Step 2. Let me know how you get on, feel free to reply with any logs or queries and I will help where I can . It has common Azure tools preinstalled and configured to use with your account. 2) This same exact /30 VTI network range must be defined in Azure as a separate address space under the Local Network Gateway > Configuration Blade . Learn how can you use Cisco ASA VTI (route based VPN solution) to simplify connectivity from data center to AWS cloud infrastructure. Do you have a specific requirement on why you Hello Phil,Please, I have an older ASA which does not support VTI. I am curious to know if your tunnels would have had the same recommended settings from azure such as the /31 VTI IP address, several ACLs allowing any to any traffic, multiple encryption and integrity protocols for phase 1 and 2 and many global changes for MTU, crypto ipsec parameters. You ASA needs to be running at least 9.7 but 9.8 or higher is preferred. The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. Configure the virtual tunnel interface (vti0) without an IP . This was because the Azure estate was using 'route-based' or a 'dynamic routing VPN'. Destination Navigate to Devices >VPN >Site To Site. The ASA supports a logical interface called Virtual Tunnel Interface (VTI). set vpn ipsec site-to-site peer 192.0.2.1 ike-group FOO0 set vpn ipsec site-to-site peer 192.0.2.1 vti bind vti0 set vpn ipsec site-to-site peer 192.0.2.1 vti esp-group FOO0. Link the SAs created above to the remote peer and bind the VPN to a virtual tunnel interface (vti0). VPN is up and we can ping the BGP peer in Azure from the loopback source address. Youll be auto redirected in 1 second. The tunnel destination IP 51.143.x.x (in the case of this post) of the VTI interface is what you will need from your Azure Gateway. Create the VPN connection 1. The following line shows whether the policy-based traffic selectors are used for the connection: If the line returns "True", then policy-based traffic selectors are configured on the connection; otherwise it returns "False.". though) and these addresses without issue - router's will still route these addresses. No policy maintenance Unlike Policy-based VPN, there will be no policy maintenance in Route-based VPN. Debugs are showing nothing so Im missing something fundamental? with the UsePolicyBasedTrafficSelectors option, as described in The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. Steps for Checkpoint cluster to Azure Route based vpn (based on R80.20) In this config all traffic from Azure will be tunnelled to the Checkpoint. Hi Help I tried everything here to the letter.. My VTI interface is down down ?? You can now use TLS 1.3 to encrypt remote access . Please, do you have another article that demonstrates Azure Site-to-Site VPN via a Policy Based connection?Thanks.Tom, Ive gone through your steps on both the Azure side and the ASA side. When configured, this requires you to define a custom IPSec Policy in Azure for the connection and then apply the policy and the Use Traffic Policy Selectors option to the connection. If the ASA supported loopback interfaces and the BGP update-source command, I would be creating a local loopback and using that as the BGP peer address. FTD is running 6.7 so apparently it is supported. Before trying your setup I am curious to know if it came from a previous Azure config recommendation or if you made several tweaks from the Azure recommendation. We are trying to make a connection this way into azure and would love to know if VTI and BGP works within azure before putting a lot of extra time going down this path. Use a different IP address on the VPN device for your BGP Peer IP. Visit Microsoft Q&A to post new questions. . Install and initialize the Cloud SDK. This is an example configuration for the ASA to connect to Amazon Web Services (AWS). To open Cloud Shell, just select Try it from the upper-right corner of a code block. Is the above correct in your experience? -None of the address ranges of each document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. So I used a Cisco ISR 1921 . Important To enable this connectivity, your on-premises policy-based VPN devices must support IKEv2 to connect to the Azure route-based VPN gateways. To run the cmdlets, you can use Azure Cloud Shell. vendor specifications to verify that the IKEv2 policy is supported on your on-premises VPN devices. 1) We are using a /30 to define the VTI interface. To create the policy based settings against azure: https://docs.microsoft.com/bs-latn-ba/azure/vpn-gateway/vpn-gateway-connect-multiple-policybased-rm-ps, 2 need ensure no nat for the 10.0.0.0 axure network, 3. need a global acl or acl on the vti on the asa to allow 10.0.0.0 network back in to on prem, Hey Phil, For the VTI interface the doc advises the following:VTI INTERFACE SETUP FOR AZURE!! More info about Internet Explorer and Microsoft Edge, Configure IPsec/IKE policy for S2S or VNet-to-VNet connections, Part 3 of the Configure IPsec/IKE policy article, Configure IPsec/IKE policy for S2S VPN or VNet-to-VNet connections, To enable this connectivity, your on-premises policy-based VPN devices must support. After lots of tinkering I'm only able to get Phase 1 up but not Phase 2. The The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. You can also open Cloud Shell on a separate browser tab by going to https://shell.azure.com/powershell. 2. Im getting the following log entry:4 Jan 25 2019 10:44:51 750003 Local: :500 Remote::500 Username:Unknown IKEv2 Negotiation aborted due to ERROR: Failed to locate an item in the database. You can also use a VPN gateway to connect VNets. gateway, you must delete the virtual network Apply the policy when you create a S2S or VNet-to-VNet connection, and. Notify me of followup comments via e-mail. IP/Subnet Mask: 10.0.0.0/255.255.0.0 , this is the VNet address space on Azure, https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-site-to-site-resource-manager-portal, Copyright 2022 Zyxel and/or its affiliates. Click Networking > Tunnels > IPSec VPN. Help please. Configure Dynamic Crypto Map. Click Add to create a new tunnel interface. #Group Policy!group-policy AZURE-GROUP-POLICY internalgroup-policy AZURE-GROUP-POLICY attributesvpn-tunnel-protocol ikev2! Petes-HomeASA# show int tunnel 1Interface Tunnel1 "AZURE-VTI01", is down, line protocol is down Hardware is Virtual Tunnel MAC address N/A, MTU 1500 IP address 169.254.225.1, subnet mask 255.255.255.252 Tunnel Interface Information: Source interface: outside IP address: 123.123.58.194 Destination IP address: 40.115.49.202 Mode: ipsec ipv4 IPsec profile: AZURE-PROFILEPetes-HomeASA#, Microsoft Azure Route Based VPN to Cisco ASA, crypto ikev2 policy 1 encryption aes-256 integrity sha384 group 24 prf sha384 lifetime seconds 86400, !crypto ikev2 policy 2 encryption aes-256 integrity sha384 group 24 prf sha384 lifetime seconds 28800, !crypto ikev2 policy 3 encryption aes-256 integrity sha group 24 prf sha256 lifetime seconds 7200, !crypto ikev2 policy 4 encryption aes-256 integrity sha256 group 2 prf sha lifetime seconds 28800!crypto ikev2 enable outsidecrypto ikev2 notify invalid-selectors. I havent looked at the Azure template in a couple of months so things may have changed, but I have a couple of tunnels into different Azure regions using the config in the post and they are running fine. Topology The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. MS and Cisco should just link to this page. To install or update, see Install the Azure PowerShell module. On the page for VNet1GW, click Connections. See Create a Virtual Machine for steps. Visit Zyxel, -You have a Azure virtual After investigating the logs on the ASA and using the Troubleshooting VPN component on the Azure Virtual Network Gateway, I discovered I needed to enable IKE v2 on our ASA outside interface and create an IKEv2 Policy. Declare your variables. The drawback of this method is that you for instance can't run a routing protocol between the two VPN peers, because you don't have interfaces on which the routing protocol can be associated. Firstly, the implementation of a Route-based VPN with an ASA 5505 requires the use of Traffic Policy Selectors. Select Copy to copy the blocks of code, paste them into Cloud Shell, and select the Enter key to run them. Is there anything generated in the debugs on either end? Cisco has documentation on configuring eBGP sessions with and without Specify this address in the corresponding Local Network Gateway representing the location. Note: Currently VTI is only supported in single-context, routed mode. The difference is that ASA sends BGP udpates with an interface address only - it has no update-source option (as the ASA does not support lookbacks). A VPN device is required to configure a Site-to-Site (S2S) cross-premises VPN connection using a VPN gateway. This is the IP of the VTI interface so it cant be used anywhere else in your ASAs configuration. Learn about Cisco ASAv route based VPN (Demo connecting AWS and Azure) - YouTube Learn about Cisco ASAv route based VPN (Demo connecting AWS and Azure) Anubhav Swami 1.26K. Cisco ASA Firepower FTD VPN to Azure (VTI Route Based) I'm trying to configure an IPSEC VPN to Azure using Firepower FTD (configuring with FDM, not FMC) I'm using the VTI tunnel option. The steps in this article use the same parameters. the 169.254.11.1) to an actual routable private IP address. Route based VPN with VTIs, and bridge groups! A VPN gateway is used when creating a VPN connection to your on-premises network. Previously to do something like this you would need to build a GRE tunnel over IPSEC with a second router terminating GRE. Microsoft recommends setting the MSS to 1350 bytes, and enabling preserving VPN flows during tunnel rekeys, Phil! Later when we get into routing .2 will be our next hop to Azure. Yes - the current beta release firmware has support for IKEv2 which allows for route based VPN. I am going to assume you are already using Azure and you already have a Virtual Network in place. This article will show a quick configuration of a route based VPN with ASAs! I have just configured the VTI like above and havent added the the /30 in the address space for LNG config and it works just fine did you add the /30 in azure for LNG address space config? We are also going to focus on how to achieve this using ASDM.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,100],'geekshangout_com-medrectangle-3','ezslot_18',128,'0','0'])};__ez_fad_position('div-gpt-ad-geekshangout_com-medrectangle-3-0'); If your Virtual Network already has a Virtual network gateway check your settings match then you can skip this section.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'geekshangout_com-box-4','ezslot_6',130,'0','0'])};__ez_fad_position('div-gpt-ad-geekshangout_com-box-4-0'); Next, we need a Local Network Gateway to define our ASA public IP address and the list of on-premise network(s) we want over the VPN. I created this post based on trial and error, and from a mixture of a few other blog posts that give me different bits of the puzzle. The diagram shows the cross-connect traffic selectors that are not available in the Azure VPN gateway under this configuration. The use of BGP is so that eventually we can establish multiple tunnels with failover - static routing with a primary and secondary tunnel (even with routing weights added) caused asymmetric routing, as Azure tried to return traffic over either tunnel. In this example with will use a static route, but if you have a more complex setup BGP is an option. We will be creating a route-based connection using IKEv2 and a VTI interface. I'll report back when we've made the changes. If you have not installed the latest version, the values specified in the instructions may fail. That being said, we have several other customers using IPSec VTi's (not to Azure Azure S2S (Route Based) to Cisco ASA VTI - strange network behavior New to Azure, and have a S2S connection from Azure to our on-prem networks using a Cisco ASA 5508-x running 9.8.4(17). After configuring the vpn tunnel is up ut traffic is not going , IKEV2 is up, Session-id:45, Status:UP-IDLE, IKE count:1, CHILD count:0, Tunnel-id Local Remote Status Role113469553 xx.xx.34.95/500 xx.xx.5.223/500 READY RESPONDEREncr: AES-CBC, keysize: 256, Hash: SHA96, DH Grp:2, Auth sign: PSK, Auth verify: PSKLife/Active Time: 28800/42 sec. with the UsePolicyBasedTrafficSelectors option, as described in. 3. When setting up through ASDM, I also ran into the issue that the connection was not established / the VTI interface stayed down down. this article. -The virtual network IMPORTANT:! I will be using 9.8. For IKEv2 route-based VPN using VTI on ASA: Make sure that the code version is 9.8 (1) or later. If the connection is already created, you can apply or update the policy to an existing connection. In this blog post, we will go through the steps required to configure IKEv2 tunnel-based VPN on the ASA firewalls. #VTI Interface!Interface Tunnel1no shutdownnameif AZURE-VTI01ip address 169.254.225.1 255.255.255.252tunnel destination 40.115.49.202tunnel source interface outsidetunnel protection ipsec profile AZURE-PROFILEtunnel mode ipsec ipv4! Ensure the other side of the tunnel uses the same PSK. It was a long-due release especially if you are working with multi-vendor VPNs. On the Add connection page, configure the values for your connection. I have not tried your method yet and have the other all configured (albeit failing). Configure Azure for 'Route Based' IPSec Site to Site VPN You may already have Resource Groups and Virtual Networks setup, if so you can skip the first few steps. However i have created the s2s vpn in azure & ASA using this document, but its still not working. Cisco ASA Route Based VPN with IKEv2, VTi and BGP, Azure Networking (DNS, Traffic Manager, VPN, VNET), The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. The ASA VPN module is enhanced with a new logical interface called Virtual Tunnel Interface (VTI), used to represent a VPN tunnel to a peer. This documentation will describe how to setup IPSec VPN with Azure VPN gateway using BGP. Hello Phil, Great job putting together this document, I was struggling with the MS documentation, We recently upgraded to 9.8 and have used crypto maps till now, no VTI config, so I was hesitant to use the VTI configuration moreover the VTI ip and the gateway were confusing too, after going through your doc and the comment to John plus some side reading on VTI gave me a confidence to use them My tunnel is finally up after spending quiet sometime, Glad I found your documents. The debug doesn't show anything useful. Ensure the VPN service is enabled globally by clicking Enable VPN. If you are running PowerShell locally on your computer, sign in using the Connect-AzAccount cmdlet. You can also subscribe without commenting. loopback addresses: https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13751-23.html. of the Virtual Network page, from the. Provide a Topology Name and select the Type of VPN as Route Based (VTI). This topic provides a route-based configuration for a Cisco ASA that is running software version 9.7.1 (or newer). I appreciate the scree shots. The policy dictates either some or all of the interesting traffic should traverse via VPN. Make sure you have completed Part 3 of the Configure IPsec/IKE policy article. local network sites overlap for any of the VNets that this VNet is connecting to. How does it know where to send this traffic to? Verify Enter configuration mode. Notice: Currently OSPF, and EIGRP are not yet supported to run over the tunnel interface. Also review Configure IPsec/IKE policy for S2S VPN or VNet-to-VNet connections for more details on custom IPsec/IKE policies. If you have a PolicyBased VPN I am experiencing the exact same problem. I'll post back the solution as soon as I get is documented! Policy-based vs. route-based VPN devices differ in how the IPsec traffic selectors are set on a connection: The following diagrams highlight the two models: Currently, Azure supports both modes of VPN gateways: route-based VPN gateways and policy-based VPN gateways. Step 4. Now, using custom IPsec/IKE policy, you can use a route-based VPN gateway and connect to multiple policy-based VPN/firewall devices. ASA 9.9 (2) not sure what else to try to get up ? This is what the Azure public documentation says: Your on-premises BGP peer address MUST NOT be the same as the public IP address of your VPN device. The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based. The Azure template gave me a sense of what Microsoft wanted me to do but it didnt quite mesh with my existing config and there were some bits that didnt make sense to me. You need to create an IPsec/IKE policy in order to enable "UsePolicyBasedTrafficSelectors" option Near the bottom The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. [REPLACE AS NEEDED]! Policy-based: Note: - The interesting traffic must be initiated from PC2 for the VPN to come UP. Ive verified that I used the correct shared key on both ends of the tunnel. Add additional routes to any other subnets. Your screen shot shows: Click Add on the right and select VTI Interface from the drop downBut my interface lists Interfaces, redundant interface, etherchannel int, and vni int only. To find the versions of Azure PowerShell installed on your computer, use the Get-Module -ListAvailable Az cmdlet. Well done!What version of asmd are you using?I am using 7.9 with asa 9.6 and the steps do not follow your example. #IKE v2 Proposal!crypto ipsec ikev2 ipsec-proposal AZURE-PROPOSALprotocol esp encryption aes-256protocol esp integrity sha-256! RouteBased. It looks to me that if you are not using a loopback address on your ASA interface, and you instead use the actual private IP address of your ASA interface, the BGP session should work just fine. It has me setting up several different things and does not work. For anyone who experienced the same issue:IKE v2 is enabled in ASDM:Configuration > Site-to-Site VPN > Connection Profiles > Access Interfaces > Check Allow IKE v2 Access on outside, The IKE v2 Policy is created in ASDM:Configuration > Site-to-Site VPN > Advanced > IKE Policies > [IKEv2 Policies] > AddPriority : Whatever you decide (1 in my case)D-H Group : 2Encryption : aes-256Integrity Hash : sha256PRF Hash : sha256Lifetime : 27000 seconds, (policy derived from connection attempts and scattered documentation from Azure other options available if required), At the risk of being redundant:I also had to create the Access Rule under Firewall for the VTI interface to allow the desired traffic to flow.In ASDM: Configuration > Firewall > Access Rules > xxx VTI01 (incoming rule)Source : any (or whatever fits your needs)Destination : any (or whatever fits your needs)Action : permit. Sign int0 Azure > All Services > Resource Groups > Create Resource Group > Give your Resource Group a name, and select a location > Create. It is limited to sVTI IPv4 over IPv4 using IKEv1 in this release. route AZURE 10.1.0.0 255.255.. 192.168.100.2 1 Modify the Local Network Gateway created in Step 4 with networks that exist behind the ASA and the subnet on the tunnel interface and add the prefixes under the "Add Additional Network Spaces" section. As it is just another interface it is also much easier to monitor and control bandwidth too. PowerShell cmdlets are updated frequently. A few other people around the internet have been able to achieve this but documentation is sparse. Create a Pre-Shared Key (PSK). Thanks for this. I spent hours yesterday on trial and error. #Tunnel-Grouptunnel-group 40.115.49.202 type ipsec-l2ltunnel-group 40.115.49.202 general-attributesdefault-group-policy AZURE-GROUP-POLICYtunnel-group 40.115.49.202 ipsec-attributespeer-id-validate nocheckikev2 local-authentication pre-shared-key supersecretpasswordikev2 remote-authentication pre-shared-key supersecretpasswordisakmp keepalive threshold 10 retry 2, #Routeroute AZURE-VTI01 10.0.0.0 255.255.255.0 169.254.225.2 1. ! I have tried this but ASA to ASA (9.8) I still have the tunnel down, down. Im dont have a ton of ASA experience but I see that our other tunnels have connection profiles and this one does not. Use these resources to familiarize yourself with the community: This configuration looks ok to me. NOTE: Tunnel1 is used as the name of the VTI interface. We've been able to establish the tunnel without issue, but we're unable to bring BGP up. address for each ZyWALL device. I spent way too much time trying to get S2S working between Azure and ASA. If you don't already have an Azure subscription, you can activate your MSDN subscriber benefits or sign up for a free account. I have following this tutorial, but for some reason I am getting this message. You can repeat the same steps to add more connections to additional on-premises policy-based VPN devices from the same Azure VPN gateway. Give it a test by trying to RDP onto one of your Azure servers from a client on a network defined in you Azure local networks address spaces. The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. I got a "no matching IKEv2" I added some its started working, i then (to check) rebooted, added the config again its not coming up, its IKEv2 Proposals thats the problem. This is the way traditionally . If you name it something else, your gateway creation fails. For Cisco ASA, i wrote an article of IPSEC VPN with pre-shared-key authentication: IPSEC-with-Cisco-ASA.pdf.This does also explain the possibilities for IPSEC VPN with ASA and one end with dynamic ip address.. "/> Select Site-to-site (IPSec) as connection type. It is a bit weird coming from the world of physical interfaces but 169.254.225.2 (or whatever range you choose to use) doesnt need to exist on the Azure side. I was following the Microsoft article here. In distinction to a Policy-based VPN, a Route-based VPN works on routed tunnel interfaces as the endpoints of the virtual network. The connection uses a custom IPsec/IKE policy The following diagram shows why transit routing via Azure VPN gateway doesn't work with the policy-based option: As shown in the diagram, the Azure VPN gateway has traffic selectors from the virtual network to each of the on-premises network prefixes, but not the cross-connection prefixes. on the connection. This supports route based VPN with IPsec profiles attached to the end of each tunnel. As an alternative to policy based VPN, a VPN tunnel can be created between peers with Virtual Tunnel Interfaces configured. Not sure about whether later version supports OSPF or EIGRP. See the following article; Azure to Cisco VPN - 'Failed to allocate PSH from platform' So the firewall was a non-starter, but Cisco ISR routers are supported, and they can handle virtual tunnel interfaces (VTI's). They are built on different internal platforms, which result in different specifications: Previously, when working with policy-based VPNs, you were limited to using the policy-based VPN gateway Basic SKU and could only connect to 1 on-premises VPN/firewall device. You can also install and run the Azure PowerShell cmdlets locally on your computer. But i thought, Deepak didn't use ASA but IOS router, where the configuration of IPSEC VPN is different from what you do on an ASA . The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article. With Route-Based VPNs, you have far more functionality such as dynamic routing. I have gone with an APPIPA address as I dont use them anywhere else. This article helps you configure an Azure route-based VPN gateway to connect to multiple on-premises policy-based VPN devices leveraging custom IPsec/IKE policies on S2S VPN connections. These are the VPN parameters: Route-based VPN, that is: numbered tunnel interface and real route entries for the network (s . This allows dynamic or static routes to be used. The Azure Side Virtual network gateway Local Network Gateway A Connection The ASA Side IKE v2 IPSEC Proposal IPSec Profile VTI Interface Group Policy Tunnel Group The Route (s) Other Microsoft Recommend ASA Tweaks MSS Preserving VPN Flows Overview: In this post, we are going to link an Azure Virtual Network to an on-premise network via a Cisco ASA. For this exercise, we use the following variables: Use the following example to create the virtual network TestVNet1 with three subnets, and the VPN gateway. while checking hte configuration from azure and yours , There is a different in one point , the route gateway which you have given was VTI interface remote 169.254.225.2 however in azure document gw is vpn peer IP. Any luck figuring out VTI/BGP through azure? I am trying to set one of these tunnels up route-based with no BGP on an ASA 9.8(2). Consult your VPN device This supports route based VPN with IPsec profiles attached to each end of the tunnel. Policy Based. For example, on-premises site 2, site 3, and site 4 can each communicate to VNet1 respectively, but cannot connect via the Azure VPN gateway to each other. Using VTI does away with the need to configure static crypto map access lists and map them to interfaces. ASA Route-Based VPN (VTI) with Fortigate Firewall Customer had a question about creating a route-based VPN between a Cisco ASA and a Fortigate. Configuring a Route-Based VPN Back to Top Follow the steps below to configure the Route-Based Site-to-Site IPsec VPN on the EdgeRouter: CLI: Access the Command Line Interface.You can do this using the CLI button in the GUI or by using a program such as PuTTY. I was having similar issues to yourself at first. Configure the ASA to send traffic to the Azure networks over the VTI tunnel. Before you begin. Azure IPSec VPN with Cisco ASA using BGP Cisco ASA software version 9.8 support Virtual Tunnel Interface (VTI) with BGP (static VTI). I double checked each step. We originally built the tunnels using a 172.16.0.0 address space and we encountered the same issues - we moved back to this range to avoid conflicts with other address space. Maybe the private IP address associated with your on-prem device? network that was created using the Resource Manager deployment model. Do click on "Mark as Answer" on the post that helps you, this can be beneficial to other community members. After completing the steps, the S2S VPN connection will use the IPsec/IKE policy defined, and enable policy-based traffic selectors on the connection. No express route, just a Route based VPN on a Standard SKU VPN Gateway. Routed IPsec (VTI) Route-based IPsec is an alternative method of managing IPsec traffic. Did you able to bring BGP up through VTI ? Is that correct? we also having same issue, i cannot bgp connection with Azure from vti tunnel. New here? Sk101275 will give you about 20% of what you need, so I am writing this up in case it helps others. This forum has migrated to Microsoft Q&A. This tutorial finally worked, I think I prefer VTI to Crypto Maps, always found those confusing . Once you obtain the connection resource, you can enable or disable the policy-based traffic selectors on a connection. This is my setup for this tutorial: (Yes, public IPv4 addresses behind the Forti.) To make a policy-based VPN connection using a route-based VPN gateway, configure the route-based VPN gateway to use prefix-based traffic selectors with the option "PolicyBasedTrafficSelectors". Try replacing the BGP Peer IP from a link-local IP address (i.e. IPsec: AES256, SHA256, PFS None, SA Lifetime 14400 seconds & 102400000KB. Customers Also Viewed These Support Documents. You can now use these routing protocol to share routing information and to route traffic flow through VTI-based VPN tunnel between peers TLS 1.3 in Remote Access VPN. When we use static routing over these tunnels Azure is reachable. Regarding to NAT i have make sure I would bypass it: nat (inside,outside) source static obj-inside obj-inside destination static (destination-network) (destination-network) no-proxy-arp route-lookup, Still not sure what can be and internet does not have much information available for ASA vti. It's supported within IOS with a tunnel interface and ASA 9.8(2) now has support Site-to-Site connections can be used to create a hybrid solution, or whenever you want secure connections between your on-premises networks and your virtual networks. In ASA 9.7.1, IPsec VTI has been introduced. Click on Add VPN and choose Firepower Threat Defense Device, as shown in the image. Cisco Secure Firewall or Firepower Threat Defense (FTD) managed by FMC (Firepower Management Center) supports route-based VPN with the use of VTIs in versions 6.7 and later. Create the virtual network, VPN gateway, and local network gateway for your cross-premises connection. We're deploying the tunnel with powershell as follows: The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. Azure Customizing the Point-to-Site VPN Client, Setup a Laravel Valet Development Environment on MacOS, Git failed with a fatal error Authentication failed, Microsoft SQL Saving changes is not permitted (SSMS Design Mode), System i / AS400 Client Access Copy and Paste with CTRL-C and CTRL-V, Office 365 List all email forwarding rules (PowerShell), Updating MalCare Security Plugin fails This is usually due to inconsistent file permissions. Azure to Cisco ASA VPN: Route Based Site-to-Site VPN: Minimum Version Recommended July 31, 2019 Azure, Blog, Cisco, Microsoft, Networking So I was trying to build a Route Based VPN from a Cisco ASA 5506x current code 9.4. Select or create a Google Cloud project. https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-3rdparty-device-config-cisco-asa#virtual-network-and-vpn-gateway-information, https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-3rdparty-device-config-cisco-asa#ipsecike-policy-and-parameters, ---------------------------------------------------------------------------------------------------. address cannot be located behind a NAT. Navigate to and open the page for your virtual network gateway. My customer and I have been attempting to create a Route Based VPN to Azure from a Cisco ASA. gateway and create a new VPN gateway as Policy Based VPN on ASA does not support BGP and we need to learn the routes dynamically in order for this solution to work. Any idea what it is looking for? 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