H

H.323, 391-95

Half-open sessions, 309

Hardware

for IOS 12.4, 144

MDS, 427-31

routers, 116-22

troubleshooting, 649-51

virtual private networks (VPN), 325

High-Level Data Link Control, 107

High-speed routing, 213

Host, 8

Hybrid routing, 499

Hypertext Transfer Protocol (HTTP), 36

server user interface, 104-5