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DISA Juniper EX Series Layer 2 Switch v2r3

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Audit Details

Name: DISA Juniper EX Series Layer 2 Switch v2r3

Updated: 4/14/2026

Authority: DISA STIG

Plugin: Juniper

Revision: 1.1

Estimated Item Count: 24

Audit Items

DescriptionCategories
JUEX-L2-000010 - The Juniper EX switch must be configured to disable non-essential capabilities.
JUEX-L2-000020 - The Juniper EX switch must be configured to uniquely identify all network-connected endpoint devices before establishing any connection.
JUEX-L2-000030 - The Juniper layer 2 switch must be configured to disable all dynamic VLAN registration protocols.
JUEX-L2-000040 - The Juniper EX switch must be configured to manage excess bandwidth to limit the effects of packet flooding types of denial-of-service (DoS) attacks.
JUEX-L2-000050 - The Juniper EX switch must be configured to permit authorized users to select a user session to capture.
JUEX-L2-000060 - The Juniper EX switch must be configured to permit authorized users to remotely view, in real time, all content related to an established user session from a component separate from the layer 2 switch.
JUEX-L2-000070 - The Juniper EX switch must be configured to authenticate all network-connected endpoint devices before establishing any connection.
JUEX-L2-000080 - The Juniper EX switch must be configured to enable Root Protection on STP switch ports connecting to access layer switches.
JUEX-L2-000090 - The Juniper EX switch must be configured to enable BPDU Protection on all user-facing or untrusted access switch ports.
JUEX-L2-000100 - The Juniper EX switch must be configured to enable STP Loop Protection on all non-designated STP switch ports.
JUEX-L2-000120 - The Juniper EX switch must be configured to enable DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.
JUEX-L2-000130 - The Juniper EX switch must be configured to enable IP Source Guard on all user-facing or untrusted access VLANs.
JUEX-L2-000140 - The Juniper EX switch must be configured to enable Dynamic Address Resolution Protocol (ARP) Inspection (DAI) on all user VLANs.
JUEX-L2-000150 - The Juniper EX switch must be configured to enable Storm Control on all host-facing access interfaces.
JUEX-L2-000160 - The Juniper EX switch must be configured to enable IGMP or MLD Snooping on all VLANs.
JUEX-L2-000170 - If STP is used, the Juniper EX switch must be configured to implement Rapid STP, or Multiple STP, where VLANs span multiple switches with redundant links.
JUEX-L2-000180 - The Juniper EX switch must be configured to verify two-way connectivity on all interswitch trunked interfaces.
JUEX-L2-000190 - The Juniper EX switch must be configured to assign all explicitly disabled access interfaces to an unused VLAN.
JUEX-L2-000200 - The Juniper EX switch must not be configured with VLANs used for L2 control traffic assigned to any host-facing access interface.
JUEX-L2-000210 - The Juniper EX switch must be configured to prune the default VLAN from all trunked interfaces that do not require it.
JUEX-L2-000220 - The Juniper EX switch must not use the default VLAN for management traffic.
JUEX-L2-000230 - The Juniper EX switch must be configured to set all enabled user-facing or untrusted ports as access interfaces.
JUEX-L2-000240 - The Juniper EX switch must not have a native VLAN ID assigned, or have a unique native VLAN ID, for all 802.1q trunk links.
JUEX-L2-000250 - The Juniper EX switch must not have any access interfaces assigned to a VLAN configured as native for any trunked interface.