WiNG How-To Guide Microsoft L2TP/IPSec VPN Client-Overview
IPSec VPN offers the security and encryption
features necessary to protect enterprise data, voice, and video traffic as it
traverses public or insecure networks. IPSec VPN can be deployed to provide
secure point-to-point connectivity between sites as well as provide remote access
into the network to users eliminating costly dial-up and leased lines.
IPSec VPN is typically deployed over the public
Internet and provides secure encrypted transport for data, voice and video
applications over public networks. The main advantage of IPSec over traditional
remote access solutions is that the endpoints can securely connect into the
corporate network using any Internet connections including dial-up, DSL, Cable
Modem or public Wi-Fi hotspots.
This configuration guide focuses on configuring the
RF Switch to support end-user VPN tunnels from Microsoft Windows XP platforms
using the Microsoft L2TP/IPSec VPN Client. End-user tunnels from third-party
VPN clients and branch office VPN tunnels are out of the scope of this document
and will be addressed in other How To guides.
Applications:
The Microsoft L2TP/IPSec VPN client and Motorola RF
Switch can be used to deliver secure authenticated and encrypted data, voice
and video IP services over IP networks providing:
1) Secure
remote access for administrators for remote network configuration,
troubleshooting and monitoring.
2) Secure
remote access for applications and resources providing enhanced productivity
for remote teleworkers, road warriors and mobile work force.
3) Secure
access and encryption over the air for legacy WLAN deployments which do not
support current security standards.
Restrictions:
The following restrictions apply when using the
Microsoft L2TP/IPSec VPN client with the Motorola RF Switch:
1) Only one
Crypto Map is supported per virtual interface.
2) Remote VPN
clients must use the same pre-shared-key.
3) Network
addressing for remote clients must be allocated from the same global pool of
virtual IP addresses.
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