SMC Networks SMC Barricade N Draft 11n Wireless 4-port Broadband Router SMCWBR14-N User Manual page 54

Advanced_Network
UPnP
UPnP is short for Universal Plug and Play, which is a networking architecture that provides
compatibility among networking equipment, software, and peripherals. This router has optional
UPnP capability, and can work with other UPnP devices and software.
Enable UPnP
If you need to use the UPnP functionality, you can enable it here.
WAN Ping
Pinging public WAN IP addresses is a common method used by hackers to test whether your
WAN IP address is valid.
Enable WAN Ping Respond
If you leave this option unchecked, you are causing the router to ignore ping commands
for the public WAN IP address of the router.
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