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Arista MLS DCS-7000 Series RTR Security Technical Implementation Guide
SRG-NET-000019-RTR-000010
If Border Gateway Protocol (BGP) is enabled on The Arista Multilayer Switch, The Arista Multilayer Switch must not be a BGP peer with a router from an Autonomous System belonging to any Alternate Gateway.
If Border Gateway Protocol (BGP) is enabled on The Arista Multilayer Switch, The Arista Multilayer Switch must not be a BGP peer with a router from an Autonomous System belonging to any Alternate Gateway. An XCCDF Rule
If Border Gateway Protocol (BGP) is enabled on The Arista Multilayer Switch, The Arista Multilayer Switch must not be a BGP peer with a router from an Autonomous System belonging to any Alternate Gateway.
Medium Severity
<VulnDiscussion>The perimeter router will not use a routing protocol to advertise NIPRNet addresses to Alternate Gateways. Most ISPs use Border Gateway Protocol (BGP) to share route information with other autonomous systems, that is, any network under a different administrative control and policy than a local site. If BGP is configured on the perimeter router, no BGP neighbors will be defined to peer routers from an AS belonging to any Alternate Gateway. The only allowable method is a static route to reach the Alternate Gateway.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>