Dhcp Snooping Configuration - 3Com 5500-SI Configuration Manual

Figure 71 Interaction between a DHCP client and a DHCP server
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DHCP Snooping Table 288 shows the configuration specifications for DHCP snooping.
Configuration
Table 288 Configure the DHCP snooping function
Operation
Enter system view
Enable the DHCP snooping
function
Enter Ethernet port view
Set the port connected to a
DHCP server to a trusted port
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:
DHCP-ACK packet
DHCP-REQUEST packet
Command Description
system-view -
dhcp-snooping Required
By default, the DHCP snooping
function is disabled.
interface -
interface-type
interface-number
dhcp-snooping trust Optional
By default, all ports of a switch are
untrusted ports.
DHCP Configuration 291
.