D-Link DGS-3620-52P-SE-LIC Reference Guide - Page 348
IMPB Entry Settings, Security > IP-MAC-Port Binding IMPB > IMPB Entry Settings
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xStack® DGS-3620 Series Managed Switch Web UI Reference Guide ARP or broadcast IP packet is detected. The default value is Disabled. IP Inspection When both ARP and IP inspections are enabled, all IP packets are checked. The legal IP packets are forwarded, while the illegal IP packets are dropped. When IP Inspection is enabled, and ARP Inspection is disabled, all non-IP packets (Ex. L2 packets, or ARP) are forwarded by default. The default value is Disabled. Protocol Use the drop-down menu to select the protocol types, IPv4, IPv6 or All. Zero IP Use the drop-down menu to enable or disable this feature. Allow zero IP configures the state which allows ARP packets with 0.0.0.0 source IP to bypass. DHCP Packet By default, the DHCP packet with broadcast DA will be flooded. When set to disable, the broadcast DHCP packet received by the specified port will not be forwarded in strict mode. This setting is effective when DHCP snooping is enabled, in the case when a DHCP packet which has been trapped by the CPU needs to be forwarded by the software. This setting controls the forwarding behavior in this situation. Stop Learning Threshold Here is displayed the number of blocked entries on the port. The default value is 500. Click the Apply button to accept the changes made. IMPB Entry Settings This window is used to create static IP-MAC-binding port entries and view all IMPB entries on the Switch. To view this window, click Security > IP-MAC-Port Binding (IMPB) > IMPB Entry Settings as shown below: Figure 8-28 IMPB Entry Settings window The fields that can be configured are described below: Parameter Description IPv4 Address Click the radio button and enter the IP address to bind to the MAC address set below. IPv6 Address Click the radio button and enter the IPv6 address to bind to the MAC address set below. MAC Address Enter the MAC address to bind to the IP Address set above. Ports Specify the switch ports for which to configure this IP-MAC binding entry (IP Address + MAC Address). Tick the All Ports check box to configure this entry for all ports on the Switch. Click the Apply button to accept the changes made. Click the Find button to locate a specific entry based on the information entered. Click the View All button to display all the existing entries. Click the Delete All button to remove all the entries listed. Click the Edit button to configure the specified entry. Click the Delete button to remove the specified entry. 338