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XCCDF
Arista MLS EOS 4.2x L2S Security Technical Implementation Guide
SRG-NET-000362-L2S-000021
SRG-NET-000362-L2S-000021
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000362-L2S-000021
1 Rule
<GroupDescription></GroupDescription>
The Arista MLS switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.
Low Severity
<VulnDiscussion>Spanning Tree Protocol (STP) does not provide any means for the network administrator to securely enforce the topology of the switched network. Any switch can be the root bridge in a network. However, a more optimal forwarding topology places the root bridge at a specific predetermined location. With the standard STP, any bridge in the network with a lower bridge ID takes the role of the root bridge. The administrator cannot enforce the position of the root bridge but can set the root bridge priority to 0 in an effort to secure the root bridge position.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>