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The Arista MSDP router must be configured to limit the amount of source-active messages it accepts on per-peer basis.

An XCCDF Rule

Description

<VulnDiscussion>To reduce any risk of a denial-of-service (DoS) attack from a rogue or misconfigured MSDP router, the router must be configured to limit the number of source-active messages it accepts from each peer.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

ID
SV-255995r882327_rule
Severity
Low
References
Updated



Remediation - Manual Procedure

Configure the Arista MSDP router to limit the amount of source-active messages it accepts from each peer.

!
router (config) #router msdp
router (config-router-msdp) #peer 10.1.1.5
router (config-router-msdp-peer 10.1.1.5) # sa-limit 500