![]() One vital thing to keep in mind is that if your IP schema (LAN IP address type and range) at home - or any cafe or office you visit - matches that of your main office that you want to connect to, the VPN connection will not work. The Zyxel client VPN software can be purchased online from Amazon or Provantage, If you do use IPSecuritas please make sure to make a donation to the To begin, you will need a working network setup behind a Zyxel USG router/firewall with VPN functionality, and either - for Windows client workstations, the Zyxel VPN client software - or IPSecuritas for Mac OS (note that I won't cover the config of IPSecuritas specifically here but it should be very easy to translate). Do your research and understand what you are changing and why. ![]() Start with a working configuration first ! And then if you wish, alter only one parameter at a time, making sure they match at both ends (Zyxel USG router/firewall and VPN client). These settings may not be the most secure options for a VPN setup but they will work. Please keep in mind that setting up a working VPN configuration is typically a process, and every vendor names and handles things differently. Originally published by me at my company's site, When the IPSec client initiates the VPN tunnel connection, the IPSec server pushes the IPSec policies to the IPSec client and creates the corresponding VPN tunnel connection.A to-the-point writeup on how to configure a Zyxel USG (router/firewall/VPN) device for VPN connectivity with a remote client. Network extension mode allows users at the central site (where the VPN 3000 series concentrator is located) to access network resources on the client site.Īfter the IPSec server has been configured, a VPN connection can be created with minimal configuration on an IPSec client, such as a supported Cisco 870 series access router. Resources at the client site are unavailable to the central site. ![]() Client mode is the default configuration and allows only devices at the client site to access resources at the central site. The Cisco Easy VPN client feature can be configured in one of two modes-client mode or network extension mode. Easy VPN server-enabled devices allow remote routers to act as Easy VPN Remote nodes. This protocol allows most VPN parameters, such as internal IP addresses, internal subnet masks, DHCP server addresses, WINS server addresses, and split-tunneling flags, to be defined at a VPN server, such as a Cisco VPN 3000 series concentrator that is acting as an IPSec server.Īn Easy VPN server-enabled device can terminate VPN tunnels initiated by mobile and remote workers who are running Cisco Easy VPN Remote software on PCs. The Cisco Easy VPN client feature eliminates much of the tedious configuration work by implementing the Cisco Unity Client protocol. Figure 6-1 shows a typical deployment scenario. The example in this chapter illustrates the configuration of a remote access VPN that uses the Cisco Easy VPN and an IPSec tunnel to configure and secure the connection between the remote client and the corporate network. Remote access VPNs are used by remote clients to log in to a corporate network. Site-to-site VPNs are used to connect branch offices to corporate offices, for example. Two types of VPNs are supported-site-to-site and remote access. The Cisco 870 series routers support the creation of Virtual Private Networks (VPNs).Ĭisco routers and other broadband devices provide high-performance connections to the Internet, but many applications also require the security of VPN connections which perform a high level of authentication and which encrypt the data between two particular endpoints. ![]() ![]() Configuring a VPN Using Easy VPN and an IPSec TunnelĪpply Mode Configuration to the Crypto MapĬonfigure the IPSec Crypto Method and ParametersĪpply the Crypto Map to the Physical Interface ![]()
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