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TRENDnet User's Guide
DHCP Server Screening
The Switch supports DHCP Server Screening, a feature that denies access to rogue DHCP
servers. That is, when one or more DHCP servers are present on the network and both
provide DHCP services to different distinct groups of clients, the valid DHCP server's
packets will be passed to the client.
If you want to enable this feature, you must enable the DHCP Snooping function first.
The switch allows users to configure up to three valid DHCP servers.
If no DHCP servers are configured, it means all DHCP server are valid.
CLI Configuration
Node
Command
enable
show dhcp-snooping server
configure
dhcp-snooping server IPADDR
configure
no dhcp-snooping server IPADDR
Web Configuration
Security > IP Source Guard > DHCP Snooping > Server Screening
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Description
This command displays the valid
DHCP server IP.
This command configures a valid
DHCP server's IP.
This command removes a valid
DHCP server's IP.
Parameter
Description
IP Address
This field configures the valid DHCP server's IP address.
Apply
Click Apply to configure the settings.
Refresh
Click Refresh to begin configuring this screen afresh.
Server Screening List
This field displays the index number of the DHCP server entry.
No.
Click the number to modify the entry.
IP Address
This field displays the IP address of the DHCP server.
Action
Click Delete to remove a configured DHCP server.
Port Settings
Security > IP Source Guard > DHCP Snooping > Port Settings
Managed Industrial L2 Switch
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