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Advanced From the Advanced Screen, you can configure:
■ NAT (Network Address Translation) and IPSec NAT-T (NAT Traversal)
Pass-through
■ Universal Plug and Play
■ WAN Ping Blocking
■ Remote Administration
The sub-menu topics in the Advanced menu also enable you to configure
Routing options, and to configure Dynamic DNS.
NAT ■ NAT — Before you disable this function, make sure you have changed
the administrator password. Network Address Translation (NAT) is the
method by which the router shares the single IP address assigned by
your ISP with the computers on your network.
This function should only be disabled if your ISP assigns you multiple IP
addresses or you need NAT disabled for an advanced system
configuration. If you have a single IP address and you turn NAT off,
the computers on your network will not be able to access the Internet.
Other problems may also occur.
■ IPSec NAT-T Pass-through — NAT-T (NAT Traversal) is an Internet Draft
proposed to IETF in order to help the problems associated with passing
IPSec traffic through NAT Routers. For NAT-T to work, both ends of the
connection need to support this function.
Ensure that you enable NAT-T only if it is needed, as it will reduce
LAN-WAN throughput. The OfficeConnect Cable/DSL Router supports
NAT-T draft 2 implementation.