The Catalyst 4000 Access Gateway Module combines Cisco IOS routing with the Catalyst 4000 family of switches to provide infrastructure consolidation and AVVID support for the branch office. Combining the LAN and WAN infrastructure it enables businesses to reduce network complexity, improve network deployment times, and prepare for voice, video, and data convergence. Furthermore, the Catalyst 4000 Access Gateway Module shares modular interfaces with the Cisco 2600/3600 and Cisco 1600/1700 routing families, simplifying sparing and network support.