User guide

Chapter 4. Configuring Special Features 75
Chapter 4. ConÞguring Special Features
The features described in this chapter are advanced topics. They are primarily intended for experienced users and
network administrators to perform network management and more complex configurations.
¥ Bridge Filtering and IP firewall
¥ IP protocol controls (RIP)
¥ Dynamic Host Configuration Protocol (DHCP)
¥ Network Address Translation (NAT )
¥ Management security
The folowing features can be purchased as software option keys. To determine which software options are
installed on your router, use the vers command. (If a feature has not been enabled, it is listed with a ~ prefix.)
¥ Encryption
¥ IP filtering
¥ L2TP tunneling
¥ IPSec (Internet Protocol Security) and IKE (Internet Key Exchange)
¥ 3DES encryption