Operation Manual - DHCP
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 4 DHCP Snooping Configuration
Huawei Technologies Proprietary
4-2
DHCP client
DHCP server
DHCP client
DHCP client
DHCP client
DHCP server
DHCP server
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DHCP client
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Figure 4-2 Interaction between a DHCP client and a DHCP server
DHCP snooping listens the following two types of packets to retrieve the IP addresses
the DHCP clients obtain from DHCP servers and the MAC addresses of the DHCP
clients:
z DHCP-ACK packet
z DHCP-REQUEST packet
4.2 DHCP Snooping Configuration
Table 4-1 Configure the DHCP snooping function
Operation Command Description
Enter system view
system-view
—
Enable the DHCP
snooping function
dhcp-snooping
Required
By default, the DHCP
snooping function is disabled