Dhcp Offer Permit Entry Settings; Filter Dhcpv6 Server - D-Link xStack DGS-3620 Series Reference Manual

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xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
The fields that can be configured are described below:
Parameter
DHCP Server Screening
Trap State
DHCP Server Screening
Log State
Illegal Server Log
Suppress Duration
Unit
From Port / To Port
State
Click the Apply button to accept the changes made for each individual section.

DHCP Offer Permit Entry Settings

Users can add or delete permit entries on this page.
To view this window, click Security > DHCP Server Screening > DHCP Offer Permit Entry Settings as shown
below:
The fields that can be configured are described below:
Parameter
Server IP Address
Client's MAC Address
Ports
Click the Apply button to accept the changes made.
Click the Delete button to remove the specific entry based on the information entered.

Filter DHCPv6 Server

On this page, users can view and configure the filter DHCPv6 server options. The filter DHCPv6 server function is
used to filter the DHCPv6 server packets on the specified port(s) and to receive the trust packets from specific
sources. Thus, this feature can make a protected network usable when a malicious host sends DHCPv6 server
packets.
Description
Click to enable or disable filtering DHCP server trap.
Click to enable or disable filtering DHCP server log.
Choose an illegal server log suppress duration of 1 minute, 5 minutes, or 30
minutes.
Select the unit you wish to configure.
A consecutive group of ports may be configured starting with the selected port.
Choose Enabled to enable the DHCP server screening or Disabled to disable it.
The default is Disabled.
Figure 9-64 DHCP Offer Permit Entry Settings window
Description
The IP address of the DHCP server to be permitted.
The MAC address of the DHCP client.
The port numbers of the filter DHCP server. Tick the All Ports check box to include
all the ports on this switch for this configuration.
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