Linksys RT31P2 - Manual (Page 36)

Broadband Router with 2 Phone Ports
28 Chapter 5: Configuring the Router
The Security Tab - VPN Passthrough
The Security Tab - VPN Passthrough
The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, PPPoE, or PPTP protocols to pass
through the Router.
VPN Passthrough
IPSec Passthrough. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure
exchange of packets at the IP layer. To allow IPSec Passthrough, click the Enabled button. To disable IPSec
Passthrough, click the Disabled button.
PPPoE Passthrough. PPPoE (Point-to-Point over Ethernet) Passthrough allows your PC(s) to use the PPPoE
client software provided by your ISP. Some ISPs may request that you use this feature on the Router. To allow
PPPoE Passthrough, click the Enabled button. To disable PPPoE Passthrough, click the Disabled button.
PPTP Pass Through. PPTP (Point-to-Point Tunneling Protocol) Passthrough allows the Point-to-Point (PPP) to be
tunneled through an IP network. To allow PPTP Passthrough, click the Enabled button. To disable PPTP
Passthrough, click the Disabled button.
When you have finished making changes to this screen, click the Save Settings button to save the changes, or
click the Cancel Changes button to undo your changes. Help information is shown on the right-hand side of a
screen. For additional information, click More.
Figure 5-16: Security Tab - VPN
Passthrough
ipsec: a VPN protocol used to implement
secure exchange of packets at the IP
layer
pptp: a VPN protocol that allows the Point
to Point Protocol (PPP) to be tunneled
through an IP network. This protocol is
also used as a type of broadband
connection in Europe
vpn: a security measure to protect data as
it leaves one network and goes to another
over the Internet
pppoe: A type of broadband connection
that provides authentication (username
and password) in addition to data
transport