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Configuring the Network
Advanced Settings
Cisco SPA232D Administration Guide 41
3
VPN Passthrough
Use the Network Setup > Advanced Settings > VPN Passthrough page to
configure VPN passthrough for IPsec, PPTP, and L2TP protocols. Use this feature if
there are devices behind the ATA that need to set up IPsec tunnels independently.
For example, a device may need to use a VPN tunnel to connect to another router
on the WAN.
By default, VPN Passthrough is enabled for IPsec, PPTP, and L2TP.
To open this page: Click Network Setup in the menu bar, and then click
Advanced Settings > VPN Passthrough in the navigation tree. After making
changes, click Submit to save your settings, or click Cancel to redisplay the page
with the saved settings.
Field Description
MAC Clone Click Enabled to enable MAC address cloning, or click
Disabled to disable this feature.
Default setting: Disabled.
MAC Address Enter the MAC address that you want to assign to your
ATA. If your computer’s MAC address is the address that
you previously registered for your ISP account, click
Clone Your PC’s MAC. Your computer’s MAC address
appears in the MAC Address field.
Default setting: the current MAC address of your ATA
Field Description
IPsec Passthrough Internet Protocol Security (IPsec) is a suite of protocols
used to implement secure exchange of packets at the IP
layer. Click Enabled to enable this feature, or click
Disabled to disable it. Default setting: Enabled
PPTP Passthrough Point-to-Point Tunneling Protocol (PPTP) allows the
Point-to-Point Protocol (PPP) to be tunneled through an
IP network. To disable PPTP Passthrough, select
Disabled. Default setting: Enabled