Arista MLS DCS-7000 Series RTR Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-NET-000019-RTR-000003
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SRG-NET-000019-RTR-000004
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The Arista Multilayer Switch must bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
Protocol Independent Multicast (PIM) is a routing protocol used to build multicast distribution trees for forwarding multicast traffic across the network infrastructure. Protocol Independent Multic...Rule Medium Severity -
SRG-NET-000019-RTR-000005
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The Arista Multilayer Switch must establish boundaries for IPv6 Admin-Local, IPv6 Site-Local, IPv6 Organization-Local scope, and IPv4 Local-Scope multicast traffic.
If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or unintended personnel. Administrative scoped multicast addresses are loc...Rule Medium Severity -
SRG-NET-000019-RTR-000007
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The Arista Multilayer Switch must be configured so inactive router interfaces are disabled.
An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. Unauthorized personnel with access to the communication facility could ga...Rule Medium Severity -
SRG-NET-000019-RTR-000009
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SRG-NET-000019-RTR-000010
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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.
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 autonomo...Rule Medium Severity -
SRG-NET-000019-RTR-000011
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The Arista Multilayer Switch must not redistribute static routes to alternate gateway service provider into an Exterior Gateway Protocol or Interior Gateway Protocol to the NIPRNet or to other Autonomous System.
If the static routes to the alternate gateway are being redistributed into an Exterior Gateway Protocol or Interior Gateway Protocol to a NIPRNet gateway, this could make traffic on NIPRNet flow to...Rule Medium Severity -
SRG-NET-000019-RTR-000012
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The Arista Multilayer Switch must enforce that Interior Gateway Protocol instances configured on the out-of-band management gateway router only peer with their own routing domain.
If the gateway router is not a dedicated device for the out-of-band management network, implementation of several safeguards for containment of management and production traffic boundaries must occ...Rule Medium Severity -
SRG-NET-000019-RTR-000013
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The Arista Multilayer Switch must enforce that the managed network domain and the management network domain are separate routing domains and the Interior Gateway Protocol instances are not redistributed or advertised to each other.
If the gateway router is not a dedicated device for the out-of-band management network, several safeguards must be implemented for containment of management and production traffic boundaries; other...Rule Medium Severity -
SRG-NET-000019-RTR-000014
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SRG-NET-000018-RTR-000001
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The Arista Multilayer Switch must enforce information flow control using explicit security attributes (for example, IP addresses, port numbers, protocol, Autonomous System, or interface) on information, source, and destination objects.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. The flow of all network traffic must be monitored and controlled so i...Rule Medium Severity -
SRG-NET-000025-RTR-000020
Group
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