The scenario of configuring site-to-site VPN between two Cisco Adaptive Security Appliances is often used by companies that have more than one geographical location sharing the same resources, documents, servers, etc. The Cisco ASA is often used as VPN terminator, supporting a variety of VPN types and protocols.
Mar 06, 2015 · SITEB-ASA has a static IP address, but the public IP address of the SITEA-RTR is dynamically assigned. Therefore, the configuration on the SITEA-RTR side will be the normal VPN configuration we are familiar with, but we have to use a dynamic crypto map on the SITEB-ASA. ISE was already deployed for simple VPN authentication so, first of all, I had to make a decision on what to use: ASA host scan (requires ASA APEX license) or ISE posture assessment. Great feature comparison here but if it comes down to price then it is about $10 versus $7 per user for ASA vs ISE. And since ISE offers more flexibility it was ASA Route Based VPN (BGP) In the previous ASA Route Based VPN article, we only covered the basics of using a VTI and getting a tunnel to pass traffic using static routes. A lot of clients will be wanting to use a dynamic routing protocol, like BGP, to share the networks between peers. In a previous lesson, I explained how to configure a site-to-site IPsec VPN between an ASA with a static IP and one with a dynamic IP address.What if you have multiple peers with dynamic IP addresses? To configure a Site to Site VPN between 2 Peers ; one with a Dynamic IP and the other with a static IP a dynamic crypto map is used. However as the static based peer will be unaware of the remote peers IP the VPN can only be initated from the dynamic side. Home » ASA » Cisco ASA Site to Site IKEv2 VPN Static to Dynamic. KB ID 0001602. Problem. Site to Site VPNs are easy enough, define some interesting traffic,
The sample configuration connects a Cisco ASA device to an Azure route-based VPN gateway. The connection uses a custom IPsec/IKE policy with the UsePolicyBasedTrafficSelectors option, as described in this article. The sample requires that ASA devices use the IKEv2 policy with access-list-based configurations, not VTI-based.
What if one of the ASA firewalls has a dynamic IP address? You could take a gamble and configure the IP address manually but as soon as your ISP gives you another IP address, your VPN will collapse. In this lesson, I’ll show you how to configure a site-to-site IPsec VPN but we’ll use a dynamic IP address on one of the ASAs.
After the VPN is connected, you found that the ASA inside interface is the only IP you can ping (assuming icmp is allowed on ASA). And errors show in the logs: Jul 13 2016 09:51:51: %ASA-5-305013: Asymmetric NAT rules matched for forward and reverse flows; Connection for icmp src outside:192.168.199.129 dst inside:172.30.30.30 (type 8, code 0
A Blog on Engineering IP, VPN, Networking and [sometimes] Beer. I've noticed quite a lot of confusion in the networking realm over the last few years, even by experienced networking professionals, as to what exactly SD-WAN is and for what use cases one may consider using it for. The easiest way to configure the VPN tunnel is by logging onto your Cisco ASA via the ASDM GUI and utilizing the IPsec Wizard found under Wizards > IPsec VPN Wizard. On the first screen, you will be prompted to select the type of VPN. Select Site-to-Site and leave the VPN tunnel interface as outside then click the 'Next' button.