Network Overview

The existing networking hardware consists of Category 5 cable plant interconnecting to a Cabletron SSR8000 high port density core switch. This device cascades Cabletron ELS-100-24TX/M workgroup switches supporting the end user environment. Once Cisco 7204 router provides connectivity to the Frame Relay cloud for data communication to the 4 location offices and Internet connectivity. All location offices have their own Internet connectivity via Cisco 2620 edge routers. Cisco 2503 routers provide for internal routing and are separated from the Internet with Cisco PIX firewalls. 3Com Total Control servers support dial-up connections at each of the location offices.

Korean Travel, Inc. has implemented redundant Internet services to improve reliability and access speed to Headquarter and location offices.  In addition to the T1 line to Korean Travel, Inc. headquarters from the location offices, all location sites maintain independent T1 lines to the Internet backbone. Both sites have implemented Cisco PIX firewall for security in addition to the security features provided by the edge routers. All lines from headquarters are protected by the Raptor firewall.