User guide

Internetworking Primer A-27
Desktop Protocols
The IP routing protocol options are as follows:
• Routing Information Protocol (RIP)
• Interior Gateway Routing Protocol (IGRP)
• Enhanced IGRP
• OSPF
• Integrated Intermediate System-to-Intermediate System (integrated IS-IS)
• Static routing (a fixed, configured routing table entry)
Enter the command show ip route to examine the IP routing table.
IP Directory Services
The directory service used with IP is called Domain Name System (DNS). DNS resolves
names into IP addresses. Some useful configuration commands used with DNS are as
follows:
• ip name-server
• ip domain-name
• ip domain-lookup
IP Configuration Example
The IP configuration of Router C in Figure A-11 is as follows:
interface ethernet 0
ip address 172.16.40.1 255.255.255.0
!
interface serial 0
ip address 172.16.1.1 255.255.255.0
!
router igrp 1
network 172.16.0.0
!
ip name-server 172.16.10.100