Orion A10E - Table 3-1 Fields Definition of DHCP Packets; Figure 3-4 Structure of DHCP Packets; Figure 3-3 DHCP Typical Application Networking

Orion Networks
A10E/A28E/A28F Configuration Guide
3 IP services
Orion Networks
81
Typical application of DHCP usually includes a set of DHCP server and several clients (for
example PC or Notebook), as shown below.
Figure 3-3 DHCP typical application networking
DHCP technology ensures the rational allocation, avoid the waste and improve the utilization
rate of IP addresses in the entire network.
The format of DHCP packets is as shown below. DHCP packets are encapsulated in UDP data
packets.
Figure 3-4 Structure of DHCP packets
Meaning of different fields in DHCP packets is shown below.
Table 3-1 Fields definition of DHCP packets
Field
Length
Description
OP
1
Packet type

Value at 1: it is request packets.

Value at 2: it is reply packets.
Hardware type
1
Hardware address type of DHCP client.
Hardware length
1
Hardware address size of DHCP client.