![]() The SA will only be established if there is an exact matching policy between the peers.įor further study on IKEv1, Please go through the below link During the negotiation process, VPN peers share their list of configured IKE policies. So here is the process between both the neighbors who setup IPSEC relationship, Multiple IKE policies can be created on a VPN peer. The neighbor devices negotiate a pair of IPSec Security Association (SA) using the AH or ESP protocol and other configured parameters like encryption algorithm (DES, 3DES, or AES) hashing algorithm (MD5 or SHA) authentication method, Sharing Keys. ![]() The IPsec protocol suite uses the IKE protocol for site-to-site and remote access VPN tunnels. ![]() In IPsec, the IKEv1 protocol is used to negotiate and establish secure site-to-site virtual private network (VPN) tunnels. IKEv1 stands for Internet Key Exchange version 1. ![]() We will discuss on the difference between these two as well to understand more. As we discuss on IPSEC, DMVPN & FlexVPN, there is one key attribute which we would like to discuss here in this article is IKEv1 and IKEv2.
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