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XCCDF
Cisco IOS Switch RTR Security Technical Implementation Guide
SRG-NET-000362-RTR-000111
SRG-NET-000362-RTR-000111
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000362-RTR-000111
1 Rule
<GroupDescription></GroupDescription>
The Cisco switch must be configured to have gratuitous ARP disabled on all external interfaces.
Medium Severity
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>