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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
433
DHCP Snooping Port Settings
This window is used to display and configure the DHCP snooping port settings.
To view the following window, click Security > IMPB > IPv4 > DHCPv4 Snooping > DHCP Snooping Port Settings,
as shown below:
Figure 9-41 DHCP Snooping Port Settings Window
The fields that can be configured are described below:
Parameter Description
Unit
Select the Switch unit that will be used for this configuration here.
From Port - To Port
Select the appropriate port range used for the configuration here.
Entry Limit
Enter the entry limit value here. This value must be between 0 and 1024.
Tick the No Limit option to disable the function.
Rate Limit
Enter the rate limit value here. This value must be between 1 and 300.
Tick the No Limit option to disable the function.
Trusted Select the trusted option here. Options to choose from are No and Yes. Ports
connected to the DHCP server or to other Switches should be configured as
trusted interfaces. The ports connected to DHCP clients should be configured as
untrusted interfaces. DHCP snooping acts as a firewall between untrusted
interfaces and DHCP servers.
Click the Apply button to accept the changes made.
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