AB RIDGING AND R OUTINGIntroduction A -1Bridging and Routing Concepts A -1Guidelines for Choosing Bridging or Routing A -2How Bridges Learn A -2Bridging Between Remote Sites A -3Building a Larger Network A -4Multiple Paths Between Bridge LANs A -5Network Topology A -6Broadcast Storms A -6Optimum Use of Resource A -6Network Organization, Structure, and Physical Layout A -6The Internet A -7Routing IP A -7Open Systems Interconnection Network Layer Model A -8IP Routing A -9BIP A DDRESSINGIntroduction to IP Addressing B - 1IP Addressing Basics B - 1Address Classes B - 1Subnetting B - 1Reserved Addresses B - 2Supernetting (Advanced TCP/IP) B - 3Supernetting and the OfficeConnect Remote 840 B - 4IP Subnet Mask Address B - 5IP Planning B - 5Assigning IP Addresses and Subnetting B - 5Single IP Address B - 6Range of IP Addresses B - 6IP Numbered and Unnumbered Links B - 7840ug.book Page 11 Friday, July 7, 2000 2:23 PM