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®
DGS-3426G Layer 2 Gigabit Ethernet Managed Switch
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Click Apply to implement the settings made.
IMP Port Settings
This window is used to configure IMP settings on a port basis.
Select a port or a range of ports with the From Port and To Port fields. Enable or disable the port with Strict or Loose State, enable
or disable Allow Zero IP and Forward DHCP Packet fields, and configure the port’s Max IMPB entry.
To view this window, click Security > IP-MAC-Port Binding > IMP Port Settings, as shown below:
Figure 6 - 6 IMP Port Settings window
The following fields can be set or modified:
Parameter Description
From Port / To Port
Select a port or range of ports to set for IP-MAC Binding.
State
Use the drop-down menu to enable or disable these ports for IP-MAC Binding.
Enabled Strict – This state provides a stricter method of control. If the user selects this mode,
all packets are blocked by the Switch by default. The Switch will compare all incoming ARP
and IP Packets and attempt to match them against the IMPB white list. If the IP-MAC pair
matches the white list entry, the packets from that MAC address are unblocked. If not, the
MAC address will stay blocked. While the Strict state uses more CPU resources from checking
every incoming ARP and IP packet, it enforces better security and is thus the recommended
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