Datasheet

Configuring VPN
VPN Passthrough
Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models) 190
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VPN Passthrough
Use the VPN Passthrough page to configure VPN passthrough for IPSec, PPTP,
and L2TP protocols. Use this feature if there are devices behind the SRP that need
IPSec tunnels to be set up independently, such as connecting to another router on
the WAN.
STEP 1 Click VPN > Site to Site IPSec VPN > VPN Passthrough. The VPN Passthrough
window opens.
STEP 2 IPSec, PPTP, and L2TP passthrough are enabled by default. Click Disabled to
disable any of these passthrough options.
STEP 3 Click Submit to save your settings.
VPN Passthrough Settings
Field Description
IPSec Passthrough Internet Protocol Security (IPSec) is a suite of protocols
used to implement secure exchange of packets at the IP
layer. IPSec Passthrough is enabled by default. To
disable IPSec Passthrough, select Disabled.
PPTP Passthrough
Point-to-Point Tunneling Protocol (PPTP) allows the
Point-to-Point Protocol (PPP) to be tunneled through an
IP network. PPTP Passthrough is enabled by default. To
disable PPTP Passthrough, select Disabled.
L2TP Passthrough Layer 2 Tunneling Protocol is the method used to enable
Point-to-Point sessions via the Internet on the Layer 2
level. L2TP Passthrough is enabled by default. To
disable L2TP Passthrough, select Disabled.