STIGQter STIGQter: STIG Summary:

Cisco IOS XE Switch RTR Security Technical Implementation Guide

Version: 3

Release: 4 Benchmark Date: 01 Apr 2026

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SV-220986r1195275_ruleThe Cisco switch must be configured to enforce approved authorizations for controlling the flow of information within the network based on organization-defined information flow control policies.
SV-220990r929064_ruleThe Cisco switch must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.
SV-220991r1137913_ruleThe Cisco switch must be configured to have all inactive layer 3 interfaces disabled.
SV-220994r856401_ruleThe Cisco switch must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
SV-220995r1107540_ruleThe Cisco switch must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
SV-220998r856403_ruleThe Cisco switch must be configured to have Gratuitous ARP disabled on all external interfaces.
SV-220999r856404_ruleThe Cisco switch must be configured to have IP directed broadcast disabled on all interfaces.
SV-221000r856405_ruleThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
SV-221001r856406_ruleThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
SV-221002r856407_ruleThe Cisco switch must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
SV-221003r622190_ruleThe Cisco switch must be configured to log all packets that have been dropped at interfaces via an ACL.
SV-221004r622190_ruleThe Cisco switch must be configured to produce audit records containing information to establish where the events occurred.
SV-221005r622190_ruleThe Cisco switch must be configured to produce audit records containing information to establish the source of the events.
SV-221006r1137906_ruleThe Cisco switch must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
SV-221007r1137935_ruleThe Cisco perimeter switch must be configured to deny network traffic by default and allow network traffic by exception.
SV-221008r1137907_ruleThe Cisco perimeter switch must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
SV-221009r856408_ruleThe Cisco perimeter switch must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
SV-221010r863263_ruleThe Cisco perimeter switch must be configured to block inbound packets with source Bogon IP address prefixes.
SV-221011r945858_ruleThe Cisco perimeter switch 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).
SV-221012r622190_ruleThe Cisco perimeter switch must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
SV-221013r622190_ruleThe Cisco perimeter switch must be configured to filter ingress traffic at the external interface on an inbound direction.
SV-221014r622190_ruleThe Cisco perimeter switch must be configured to filter egress traffic at the internal interface on an inbound direction.
SV-221015r945859_ruleThe Cisco perimeter switch must be configured to block all packets with any IP options.
SV-221016r856411_ruleThe Cisco perimeter switch must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
SV-221017r856412_ruleThe Cisco perimeter switch must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
SV-221018r856413_ruleThe Cisco perimeter switch must be configured to have Proxy ARP disabled on all external interfaces.
SV-221019r945857_ruleThe Cisco perimeter switch must be configured to block all outbound management traffic.
SV-221020r991945_ruleThe Cisco switch must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
SV-221021r856414_ruleThe Cisco BGP switch must be configured to enable the Generalized TTL Security Mechanism (GTSM).
SV-221022r945862_ruleThe Cisco BGP switch must be configured to use a unique key for each autonomous system (AS) that it peers with.
SV-221023r1137894_ruleThe Cisco BGP switch must be configured to reject inbound route advertisements for any Bogon prefixes.
SV-221024r1137895_ruleThe Cisco BGP switch must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
SV-221025r1137896_ruleThe Cisco BGP switch must be configured to reject inbound route advertisements from a customer edge (CE) switch for prefixes that are not allocated to that customer.
SV-221026r1137897_ruleThe Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).
SV-221027r929070_ruleThe Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
SV-221028r1137898_ruleThe Cisco BGP switch 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.
SV-221029r1137905_ruleThe Cisco BGP switch must be configured to reject route advertisements from CE switches with an originating AS in the AS_PATH attribute that does not belong to that customer.
SV-221030r856416_ruleThe Cisco BGP switch must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
SV-221031r856417_ruleThe Cisco BGP switch must be configured to limit the prefix size on any inbound route advertisement to /24, or the least significant prefixes issued to the customer.
SV-221032r622190_ruleThe Cisco BGP switch must be configured to use its loopback address as the source address for iBGP peering sessions.
SV-221033r622190_ruleThe Cisco MPLS switch must be configured to use its loopback address as the source address for LDP peering sessions.
SV-221034r622190_ruleThe Cisco MPLS switch must be configured to synchronize Interior Gateway Protocol (IGP) and LDP to minimize packet loss when an IGP adjacency is established prior to LDP peers completing label exchange.
SV-221035r622190_ruleThe MPLS switch with RSVP-TE enabled must be configured with message pacing to adjust maximum burst and maximum number of RSVP messages to an output queue based on the link speed and input queue size of adjacent core switches.
SV-221036r622190_ruleThe Cisco MPLS switch must be configured to have TTL Propagation disabled.
SV-221037r622190_ruleThe Cisco PE switch must be configured to have each Virtual Routing and Forwarding (VRF) instance bound to the appropriate physical or logical interfaces to maintain traffic separation between all MPLS L3VPNs.
SV-221038r622190_ruleThe Cisco PE switch must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).
SV-221039r622190_ruleThe Cisco PE switch must be configured to have each VRF with the appropriate Route Distinguisher (RD).
SV-221040r863378_ruleThe Cisco PE switch 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.
SV-221041r622190_ruleThe Cisco PE switch providing MPLS Virtual Private Wire Service (VPWS) must be configured to have the appropriate virtual circuit identification (VC ID) for each attachment circuit.
SV-221042r622190_ruleThe Cisco PE switch providing Virtual Private LAN Services (VPLS) must be configured to have all attachment circuits defined to the virtual forwarding instance (VFI) with the globally unique VPN ID assigned for each customer VLAN.
SV-221043r622190_ruleThe Cisco PE switch must be configured to enforce the split-horizon rule for all pseudowires within a Virtual Private LAN Services (VPLS) bridge domain.
SV-221044r622190_ruleThe Cisco PE switch providing Virtual Private LAN Services (VPLS) must be configured to have traffic storm control thresholds on CE-facing interfaces.
SV-221045r856419_ruleThe Cisco PE switch must be configured to implement Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) snooping for each Virtual Private LAN Services (VPLS) bridge domain.
SV-221046r622190_ruleThe Cisco PE switch must be configured to limit the number of MAC addresses it can learn for each Virtual Private LAN Services (VPLS) bridge domain.
SV-221047r622190_ruleThe Cisco PE switch must be configured to block any traffic that is destined to the IP core infrastructure.
SV-221048r622190_ruleThe Cisco PE switch must be configured with Unicast Reverse Path Forwarding (uRPF) loose mode enabled on all CE-facing interfaces.
SV-221049r945860_ruleThe Cisco PE switch must be configured to ignore or drop all packets with any IP options.
SV-221050r917445_ruleThe Cisco PE switch must be configured to enforce a Quality-of-Service (QoS) policy to provide preferred treatment for mission-critical applications.
SV-221051r917448_ruleThe Cisco P switch must be configured to enforce a Quality-of-Service (QoS) policy to provide preferred treatment for mission-critical applications.
SV-221052r622190_ruleThe Cisco switch must be configured to enforce a Quality-of-Service (QoS) policy to limit the effects of packet flooding denial-of-service (DoS) attacks.
SV-221053r1137908_ruleThe Cisco multicast switch must be configured to disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.
SV-221054r1137911_ruleThe Cisco multicast switch must be configured to bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.
SV-221055r1137912_ruleThe Cisco multicast edge switch must be configured to establish boundaries for administratively scoped multicast traffic.
SV-221056r863379_ruleThe Cisco multicast Rendezvous Point (RP) switch must be configured to limit the multicast forwarding cache so that its resources are not saturated by managing an overwhelming number of Protocol Independent Multicast (PIM) and Multicast Source Discovery Protocol (MSDP) source-active entries.
SV-221057r1137930_ruleThe Cisco multicast Rendezvous Point (RP) switch must be configured to filter Protocol Independent Multicast (PIM) Register messages received from the Designated switch (DR) for any undesirable multicast groups and sources.
SV-221058r1137932_ruleThe Cisco multicast Rendezvous Point (RP) switch must be configured to filter Protocol Independent Multicast (PIM) Join messages received from the Designated Cisco switch (DR) for any undesirable multicast groups.
SV-221059r856422_ruleThe Cisco multicast Rendezvous Point (RP) must be configured to rate limit the number of Protocol Independent Multicast (PIM) Register messages.
SV-221060r863380_ruleThe Cisco multicast Designated switch (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join only multicast groups that have been approved by the organization.
SV-221061r863381_ruleThe Cisco multicast Designated switch (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join a multicast group only from sources that have been approved by the organization.
SV-221062r856425_ruleThe Cisco multicast Designated switch (DR) must be configured to limit the number of mroute states resulting from Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Host Membership Reports.
SV-221063r945856_ruleThe Cisco multicast Designated switch (DR) must be configured to set the shortest-path tree (SPT) threshold to infinity to minimalize source-group (S, G) state within the multicast topology where Any Source Multicast (ASM) is deployed.
SV-221064r856427_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to only accept MSDP packets from known MSDP peers.
SV-221065r856428_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to authenticate all received MSDP packets.
SV-221066r1137900_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to filter received source-active multicast advertisements for any undesirable multicast groups and sources.
SV-221067r1137902_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to filter source-active multicast advertisements to external MSDP peers to avoid global visibility of local-only multicast sources and groups.
SV-221068r1137903_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to limit the amount of source-active messages it accepts on a per-peer basis.
SV-221069r622190_ruleThe Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to use a loopback address as the source address when originating MSDP traffic.
SV-237750r648776_ruleThe Cisco switch must be configured to have Cisco Express Forwarding enabled.
SV-237752r648780_ruleThe Cisco switch must be configured to advertise a hop limit of at least 32 in Switch Advertisement messages for IPv6 stateless auto-configuration deployments.
SV-237756r999760_ruleThe Cisco switch must not be configured to use IPv6 Site Local Unicast addresses.
SV-237759r648792_ruleThe Cisco perimeter switch must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
SV-237762r950991_ruleThe Cisco perimeter switch must be configured to drop IPv6 undetermined transport packets.
SV-237764r856665_ruleThe Cisco perimeter switch must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3-255.
SV-237766r1132545_ruleThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.
SV-237772r1135079_ruleThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.
SV-237774r1135080_ruleThe Cisco perimeter switch must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.
SV-237776r1132549_ruleThe Cisco perimeter switch must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.
SV-237778r1132550_ruleThe Cisco perimeter switch must be configured to drop IPv6 packets containing a Hop-by-Hop or Destination Option extension header with an undefined option type.