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DISA STIG Arista MLS EOS 4.2x Router v1r1

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Audit Details

Name: DISA STIG Arista MLS EOS 4.2x Router v1r1

Updated: 9/24/2025

Authority: DISA STIG

Plugin: Arista

Revision: 1.3

Estimated Item Count: 75

File Details

Filename: DISA_Arista_MLS_EOS_4.2x_Router_v1r1_STIG.audit

Size: 188 kB

MD5: 5d70c3b9d48f3f8f334cbf3a428de32e
SHA256: 5af2a97eb3aa17035d7ff42cc5e8260bc1d9bef1fad07542975dabc1e0638cf1

Audit Items

DescriptionCategories
ARST-RT-000010 - The Arista router must be configured to enforce approved authorizations for controlling the flow of information within the network based on organization-defined information flow control policies.
ARST-RT-000020 - The Arista BGP router must be configured to reject inbound route advertisements for any Bogon prefixes.
ARST-RT-000030 - The Arista BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
ARST-RT-000040 - The Arista BGP router must be configured to reject inbound route advertisements from a customer edge (CE) router for prefixes that are not allocated to that customer.
ARST-RT-000050 - The Arista BGP router must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).
ARST-RT-000060 - The Arista BGP router must be configured to reject route advertisements from BGP peers that do not list their autonomous system (AS) number as the first AS in the AS_PATH attribute.
ARST-RT-000070 - The Arista Multicast Source Discovery Protocol (MSDP) router must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.
ARST-RT-000080 - The Arista Multicast Source Discovery Protocol (MSDP) router must be configured to filter source-active multicast advertisements to external MSDP peers to avoid global visibility of local-only multicast sources and groups.
ARST-RT-000090 - The Arista MSDP router must be configured to limit the amount of source-active messages it accepts on per-peer basis.
ARST-RT-000100 - The Arista BGP router must be configured to reject route advertisements from CE routers with an originating AS in the AS_PATH attribute that does not belong to that customer.
ARST-RT-000110 - The Arista perimeter router must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
ARST-RT-000120 - The Arista multicast router must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
ARST-RT-000130 - The Arista multicast router must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
ARST-RT-000140 - The Arista multicast edge router must be configured to establish boundaries for administratively scoped multicast traffic.
ARST-RT-000150 - The Arista router must be configured to have all inactive interfaces disabled.
ARST-RT-000160 - The Arista perimeter router must be configured to protect an enclave connected to an alternate gateway by using an inbound filter that only permits packets with destination addresses within the sites address space.
ARST-RT-000170 - The Arista perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.
ARST-RT-000180 - The Arista perimeter router must be configured to not redistribute static routes to an alternate gateway service provider into BGP or an IGP peering with the NIPRNet or to other autonomous systems.
ARST-RT-000190 - The out-of-band management (OOBM) Arista gateway router must be configured to have separate IGP instances for the managed network and management network.
ARST-RT-000200 - The out-of-band management (OOBM) Arista gateway router must be configured to not redistribute routes between the management network routing domain and the managed network routing domain.
ARST-RT-000210 - The multicast Rendezvous Point (RP) Arista router must be configured to filter Protocol Independent Multicast (PIM) Register and Join messages received from the Designated Router (DR) for any undesirable multicast groups and sources.
ARST-RT-000230 - The Arista router must be configured to produce audit records containing information to establish where the events occurred.
ARST-RT-000260 - The Arista router must be configured to have all non-essential capabilities disabled.
ARST-RT-000280 - The Arista router must be configured to authenticate all routing protocol messages using NIST-validated FIPS 198-1 message authentication code algorithm.
ARST-RT-000290 - The MPLS router with RSVP-TE enabled must be configured with message pacing or refresh reduction to adjust maximum number of RSVP messages to an output queue based on the link speed and input queue size of adjacent core routers.
ARST-RT-000300 - The PE router must be configured to enforce a Quality-of-Service (QoS) policy to limit the effects of packet flooding denial-of-service (DoS) attacks.
ARST-RT-000310 - The PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS DODIN Technical Profile.
ARST-RT-000320 - The PE router must be configured to enforce a Quality-of-Service (QoS) policy in accordance with the QoS GIG Technical Profile.
ARST-RT-000330 - The Arista perimeter router must be configured to deny network traffic by default and allow network traffic by exception.
ARST-RT-000340 - The Arista router must be configured to restrict traffic destined to itself.
ARST-RT-000350 - The Arista router must be configured to drop all fragmented Internet Control Message Protocol (ICMP) packets destined to itself.
ARST-RT-000370 - The Arista perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.
ARST-RT-000380 - The Arista perimeter router must be configured to filter egress traffic at the internal interface on an inbound direction.
ARST-RT-000390 - The Arista BGP router must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
ARST-RT-000400 - The Arista router must be configured to block any traffic that is destined to IP core infrastructure.
ARST-RT-000410 - The Arista router must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
ARST-RT-000420 - The out-of-band management (OOBM) Arista gateway router must be configured to forward only authorized management traffic to the Network Operations Center (NOC).
ARST-RT-000430 - The out-of-band management (OOBM) Arista gateway router must be configured to block any traffic destined to itself that is not sourced from the OOBM network or the NOC.
ARST-RT-000440 - The Arista router must be configured to only permit management traffic that ingresses and egresses the OOBM interface.
ARST-RT-000450 - The Arista perimeter router must be configured to restrict it from accepting outbound IP packets that contain an illegitimate address in the source address field via egress filter or by enabling Unicast Reverse Path Forwarding (uRPF).
ARST-RT-000470 - The Arista BGP router must be configured to use a unique key for each autonomous system (AS) that it peers with.
ARST-RT-000480 - The PE router providing MPLS Layer 2 Virtual Private Network (L2VPN) services must be configured to authenticate targeted Label Distribution Protocol (LDP) sessions used to exchange virtual circuit (VC) information using a FIPS-approved message authentication code algorithm.
ARST-RT-000490 - The Arista router must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
ARST-RT-000510 - The Arista router must be configured to have gratuitous ARP disabled on all external interfaces.
ARST-RT-000520 - The Arista router must be configured to have IP directed broadcast disabled on all interfaces.
ARST-RT-000530 - The Arista router must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications disabled on all external interfaces.
ARST-RT-000540 - The Arista router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.
ARST-RT-000550 - The Arista router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.
ARST-RT-000560 - The Arista BGP router must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
ARST-RT-000570 - The Arista BGP router must be configured to limit the prefix size on any inbound route advertisement to /24 or the least significant prefixes issued to the customer.