The enhanced Cisco 1721 Modular Access Router is designed to help
organizations embrace the productivity benefits of e-business
applications. The Cisco 1721 router enables e-business by
delivering secure Internet, intranet, and extranet access with
virtual private networks (VPNs) and firewall technology. The Cisco
1721 is an enhanced version of the award-winning Cisco 1720 Modular
Access Router. The Cisco 1721 offers higher performance, additional
functionality, and increased memory capacity over the Cisco 1720.
In addition, the Cisco 1721 supports standards-based IEEE 802.1Q
VLAN routing, which enables enterprises to set up multiple VLANs
and route between them for added security within the internal
corporate networ