5
N
ETWORK
P
ROTOCOL
O
PERATION
This chapter covers the following topics:
■
IP Address Configuration
■
ARP Configuration
■
DHCP Configuration
■
Access Management Configuration
■
UDP Helper Configuration
■
IP Performance Configuration
IP Address
Configuration
IP Address Overview
IP Address Classification and Indications
An IP address is a 32-bit address allocated to the devices which access the Internet.
It consists of two fields: net-id field and host-id field. There are five types of IP
address. See
Figure 18
.
Figure 18
Five Classes of IP Address
Class A, Class B and Class C are unicast addresses, while Class D addresses are
multicast addresses and Class E addresses are reserved for special applications. The
first three types are commonly used.
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0
1 0
1 1 0
1 1 1 0
1 1 1 1 0
net-id
net-id
net-id
Multicast address
Reserved address
host-id
host-id
host-id
Class A
Class B
Class C
Class D
Class E
Summary of Contents for 400 Family
Page 12: ......
Page 16: ...14 ABOUT THIS GUIDE ...
Page 58: ...56 CHAPTER 2 PORT OPERATION ...
Page 68: ...66 CHAPTER 3 VLAN OPERATION ...
Page 98: ...96 CHAPTER 5 NETWORK PROTOCOL OPERATION ...
Page 124: ...122 CHAPTER 6 IP ROUTING PROTOCOL OPERATION ...
Page 156: ...154 CHAPTER 8 ACL CONFIGURATION ...
Page 218: ...216 CHAPTER 11 802 1X CONFIGURATION ...
Page 298: ...296 CHAPTER 13 PASSWORD CONTROL CONFIGURATION OPERATIONS ...
Page 336: ...334 APPENDIX B RADIUS SERVER AND RADIUS CLIENT SETUP ...