The RUCKUS ICX router must be configured to have Gratuitous Address Resolution Protocol (ARP) disabled on all external interfaces.
Overview
Finding ID
Version
Rule ID
IA Controls
Severity
V-273629
RCKS-RTR-000620
SV-273629r1111036_rule
Medium
Description
A gratuitous ARP is an ARP broadcast in which the source and destination MAC addresses are the same. It is used to inform the network about a host IP address. A spoofed gratuitous ARP message can cause network mapping information to be stored incorrectly, causing network malfunction.