Mac OSX is different versions, just that they all are using macbooks. Has anyone seem something like this or know why this might just pop up on the Mac side?Īll the users are using different ISP with different network equipment, routers and located around the city. We did try connecting to a different client of ours to see if it isolated and it isn't as it the same error. However both of the connection just stopped working and we don't know why. We had 2 users yesterday having this problem and having them flip-flop to another client app seems to work. We aren't hitting any limit on user licenses as we have enough for everyone. We have mostly window VPN users and they are all OK. What stranger is there are other Mac users on the network connected without a issue. We then switched from the build in VPN client and used IPSECURITAS which works but then stops and then built in VPN client works and stops. We try redoing the pre-shared key and redoing the VPN setup. What happening is people all of a sudden get kicked off of the VPN and then these Mac users can't connect, getting errors such as "L2TP-SERVER DID NOT RESPOND". 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.In the last two days, we been noticing a issue with some mac users trying to use either IPSECURITAS VPN client or the built in MAC VPN 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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