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DES-3200-10/18/28/28F Layer 2 Ethernet Managed Switch User Manual
DHCP Snoop State
Use the pull-down menu to enable or disable the DHCP Snooping State for IP-MAC-port
binding.
ARP Inspection
When this is Enabled, the Switch will filter ARP packets which have unauthorized sender
MACs, IP addresses, and ingress ports. ARP inspection is only active on IP-MAC-port
binding-enabled ports.
Recover Learning
Ports (e.g.: 1, 7-12)
Enter the ports for which the ARP check function has stopped. This will allow recovery, or an
unfreezing, of the ARP check on the ports listed in this field. Alternatively, tick All to force the
recovery of all learning ports.
Click Apply to implement the settings made.
IMP Binding Port Settings
Select a port or a range of ports with the From Port and To Port fields. Enable or disable the port with the State, Allow
Zero IP, Forward DHCP Packet, Mode, and SLT fields, and configure the port’s Max Entry value.
To view this window click, Security > IP-MAC-Port Binding > IMP Binding Port Settings:
Figure 5 - 5. IMP Binding 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 pull-down menu to Enable or Disable these ports for IP-MAC Binding.
Enabled (Strict) – This mode provides a stricter method of control. If the user selects this
mode, all packets will be sent to the CPU, thus all packets will not be forwarded by the
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