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DISA Cisco IOS XE Switch RTR STIG v3r2

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Audit Details

Name: DISA Cisco IOS XE Switch RTR STIG v3r2

Updated: 2/13/2026

Authority: DISA STIG

Plugin: Cisco

Revision: 1.1

Estimated Item Count: 88

Audit Items

DescriptionCategories
CISC-RT-000010 - The 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.
CISC-RT-000050 - The Cisco switch must be configured to enable routing protocol authentication using FIPS 198-1 algorithms with keys not exceeding 180 days of lifetime.
CISC-RT-000060 - The Cisco switch must be configured to have all inactive layer 3 interfaces disabled.
CISC-RT-000090 - The Cisco switch must not be configured to have any zero-touch deployment feature enabled when connected to an operational network.
CISC-RT-000120 - The Cisco switch must be configured to protect against or limit the effects of denial-of-service (DoS) attacks by employing control plane protection.
CISC-RT-000150 - The Cisco switch must be configured to have Gratuitous ARP disabled on all external interfaces.
CISC-RT-000160 - The Cisco switch must be configured to have IP directed broadcast disabled on all interfaces.
CISC-RT-000170 - The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
CISC-RT-000180 - The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
CISC-RT-000190 - The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) redirect messages disabled on all external interfaces.
CISC-RT-000200 - The Cisco switch must be configured to log all packets that have been dropped at interfaces via an ACL.
CISC-RT-000210 - The Cisco switch must be configured to produce audit records containing information to establish where the events occurred.
CISC-RT-000220 - The Cisco switch must be configured to produce audit records containing information to establish the source of the events.
CISC-RT-000230 - The Cisco switch must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
CISC-RT-000235 - The Cisco switch must be configured to have Cisco Express Forwarding enabled.
CISC-RT-000236 - The Cisco switch must be configured to advertise a hop limit of at least 32 in Switch Advertisement messages for IPv6 stateless auto-configuration deployments.
CISC-RT-000237 - The Cisco switch must not be configured to use IPv6 Site Local Unicast addresses.
CISC-RT-000240 - The Cisco perimeter switch must be configured to deny network traffic by default and allow network traffic by exception.
CISC-RT-000250 - The Cisco perimeter switch must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
CISC-RT-000260 - The Cisco perimeter switch must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
CISC-RT-000270 - The Cisco perimeter switch must be configured to block inbound packets with source Bogon IP address prefixes.
CISC-RT-000310 - The 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).
CISC-RT-000320 - The Cisco perimeter switch must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
CISC-RT-000330 - The Cisco perimeter switch must be configured to filter ingress traffic at the external interface on an inbound direction.
CISC-RT-000340 - The Cisco perimeter switch must be configured to filter egress traffic at the internal interface on an inbound direction.
CISC-RT-000350 - The Cisco perimeter switch must be configured to block all packets with any IP options.
CISC-RT-000360 - The Cisco perimeter switch must be configured to have Link Layer Discovery Protocol (LLDP) disabled on all external interfaces.
CISC-RT-000370 - The Cisco perimeter switch must be configured to have Cisco Discovery Protocol (CDP) disabled on all external interfaces.
CISC-RT-000380 - The Cisco perimeter switch must be configured to have Proxy ARP disabled on all external interfaces.
CISC-RT-000390 - The Cisco perimeter switch must be configured to block all outbound management traffic.
CISC-RT-000391 - The Cisco perimeter switch must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
CISC-RT-000392 - The Cisco perimeter switch must be configured to drop IPv6 undetermined transport packets.
CISC-RT-000393 - The Cisco perimeter switch must be configured drop IPv6 packets with a Routing Header type 0, 1, or 3-255.
CISC-RT-000394 - The Cisco perimeter switch must be configured to drop IPv6 packets containing a Hop-by-Hop header with invalid option type values.
CISC-RT-000395 - The Cisco perimeter switch must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.
CISC-RT-000396 - The Cisco perimeter switch must be configured to drop IPv6 packets containing an extension header with the Endpoint Identification option.
CISC-RT-000397 - The Cisco perimeter switch must be configured to drop IPv6 packets containing the NSAP address option within Destination Option header.
CISC-RT-000398 - The 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.
CISC-RT-000450 - The Cisco switch must be configured to only permit management traffic that ingresses and egresses the out-of-band management (OOBM) interface.
CISC-RT-000470 - The Cisco BGP switch must be configured to enable the Generalized TTL Security Mechanism (GTSM).
CISC-RT-000480 - The Cisco BGP switch must be configured to use a unique key for each autonomous system (AS) that it peers with.
CISC-RT-000490 - The Cisco BGP switch must be configured to reject inbound route advertisements for any Bogon prefixes.
CISC-RT-000500 - The Cisco BGP switch must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
CISC-RT-000510 - The 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.
CISC-RT-000520 - The 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).
CISC-RT-000530 - The Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.
CISC-RT-000540 - The 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.
CISC-RT-000550 - The 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.
CISC-RT-000560 - The Cisco BGP switch must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
CISC-RT-000570 - The 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.