Figure 6-1 Dhcp Typical Networking; Figure 6-2 Structure Of Dhcp Packet; Table 6-1 Fields Of A Dhcp Packet - Raisecom ISCOM2600G-HI (A) Series Configuration Manual

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide

Figure 6-1 DHCP typical networking

DHCP ensures rational allocation, avoid waste, and improve the utilization rate of IP
addresses on the entire network.
Figure 6-2 shows the structure of a DHCP packet. The DHCP packet is encapsulated in a UDP
data packet.

Figure 6-2 Structure of DHCP packet

Table 6-1 describes fields of DHCP packets.

Table 6-1 Fields of a DHCP packet

OP
Hardware type
Hardware length
Hops
Field Length
1
1
1
1
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Description
Packet type
 1: a request packet
 2: a reply packet
Hardware address type of a DHCP client
Hardware address size of a DHCP client
Number of DHCP hops passed by a DHCP packet
This field increases by 1 every time the DHCP request
packet passes a DHCP hop.
6 DHCP
252