Netgear GSM7252PS 7000 Series Managed Switch Administration Guide for Software - Page 299

ProSafe 7000 Managed Switch Software Administration Manual, Release 8.0.3 a. From the main menu, select Security > Management Security > Radius>Server Configuration. A screen similar to the following displays. Figure 13-36 b. In the Radius Server IP Address field, enter 192.168.0.1. c. Select Yes in the Secret Configured field. d. In the Secret field, enter 12345. e. Click Add. Dynamic ARP Inspection Dynamic ARP Inspect (DAI) is a security feature that rejects invalid and malicious ARP packets. The feature prevents a class of man-in-the-middle attacks, where an unfriendly station intercepts traffic for other stations by poisoning the ARP caches of its unsuspecting neighbors. The miscreant sends ARP requests or responses mapping another stations's IP address to its own MAC address. Dynamic ARP Inspection relies on DHCP Snooping DHCP Snooping listens to DHCP message exchanges and builds a bindings database of valid (MAC address, IP address, vlan interface) tuples. 13-34 v1.0, June 2010 Security Management