3Com 6000 , P, R, II A

P ART II A BOUT R OUTING P ROTOCOLS
3 R OUTING AND THE LAN PLEX S YSTEM
What is Routing? 3-1
LANplex in a Subnetted Environment 3-2
Integrating Bridging and Routing 3-3
Bridging/Routing Models 3-4
Traditional Bridging/Routing Model 3-4
LANplex Bridging/Routing Model 3-6
4 R OUTING WITH IP
IP Routing and the OSI Model 4-1
The Elements of IP Routing 4-2
IP Addresses 4-2
Address Classes 4-3
The Subnet Part of the IP Address 4-3
Router Interfaces 4-4
Routing Table 4-5
Static Routes 4-6
Dynamic Routes Using RIP 4-6
Default Route 4-7
Address Resolution Protocol (ARP) 4-7
IP Routing Transmission Errors 4-9
IP Routing References 4-10
5 R OUTING WITH IPX
IPX Routing in the NetWare Environment 5-1
Internet Packet Exchange (IPX) 5-2
Routing Information Protocol (RIP) 5-3
Service Advertising Protocol (SAP) 5-3
How IPX Routing Works 5-4
IPX Packet Format 5-4
IPX Packet Delivery 5-6
Sending Node’s Responsibility 5-6
Router’s Responsibility 5-7
The Elements of IPX Routing 5-8
Router Interfaces 5-8
Routing Tables 5-8
Generating Routes 5-9
Selecting the Best Route 5-10