Netgear GSM7252PS 7000 Series Managed Switch Administration Guide for Software - Page 306
From the main menu, select Security > Control > Dynamic ARP Inspection > DAI Interface
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ProSafe 7000 Managed Switch Software Administration Manual, Release 8.0.3 d. Click Apply. At the end of this configuration a screen similar to the following displays. Figure 13-46 Now all the ARP packets received on the ports that are member of VLAN are copied to CPU for ARP inspection. If there are trusted ports, it can configured as trusted port as in the next step. ARP packets received on the trusted ports are not copied to the CPU. Note: Make sure the Administrator PC has a DHCP snooping entry or accessing the device through the trusted port for ARP. Otherwise you may get disconnected from the device. 6. Configure a port 1/0/1 as trusted. a. From the main menu, select Security > Control > Dynamic ARP Inspection > DAI Interface Configuration. b. Select the checkbox for Interface 1/0/1. c. Set the Trust Mode as Enable. d. Click Apply. A screen similar to the following displays. Figure 13-47 Now ARP packets from the DHCP client will be through since it has DHCP snooping entry, however ARP packets from the static client is dropped, since it does have a DHCP snooping entry. It can be over come by static configuration as described in "Configuring Static Mapping" on page 13-42. Security Management v1.0, June 2010 13-41
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