EVPN
E181689
EVPN (Ethernet VPN) is a modern network technology that uses BGP to provide scalable, flexible Layer 2 and Layer 3 VPN services over an IP or MPLS backbone.
All labels observed (4)
| Label | Occurrences |
|---|---|
| EVPN canonical | 2 |
| Ethernet Virtual Private Network | 2 |
| EVPN-over-SRv6 | 1 |
| VXLAN BGP EVPN | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1590457 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: EVPN Context triple: [Cisco Nexus switches, supportsTechnology, EVPN]
-
A.
IEEE 802.1Qfv
IEEE 802.1Qfv is an amendment to the IEEE 802.1Q standard that defines enhancements for flexible queuing and forwarding behaviors in bridged and virtualized Ethernet networks.
-
B.
IEEE 802.1Qev
IEEE 802.1Qev is an amendment to the IEEE 802.1Q standard that enhances bridge and VLAN operations to improve network performance and manageability in Ethernet networks.
-
C.
IEEE 802.1ad
IEEE 802.1ad is an Ethernet networking standard that extends VLAN tagging (often called Q-in-Q) to support scalable, provider-based virtual LAN services in metropolitan and carrier networks.
-
D.
IEEE 802.1Qeu
IEEE 802.1Qeu is an IEEE networking standard that defines mechanisms for enhanced queuing and traffic management in bridged and virtualized Ethernet networks.
-
E.
MPLS
MPLS (Multiprotocol Label Switching) is a high-performance routing technique that directs data through a network using short path labels instead of long network addresses, enabling efficient traffic engineering and VPN services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: EVPN Target entity description: EVPN (Ethernet VPN) is a modern network technology that uses BGP to provide scalable, flexible Layer 2 and Layer 3 VPN services over an IP or MPLS backbone.
-
A.
IEEE 802.1Qfv
IEEE 802.1Qfv is an amendment to the IEEE 802.1Q standard that defines enhancements for flexible queuing and forwarding behaviors in bridged and virtualized Ethernet networks.
-
B.
IEEE 802.1Qev
IEEE 802.1Qev is an amendment to the IEEE 802.1Q standard that enhances bridge and VLAN operations to improve network performance and manageability in Ethernet networks.
-
C.
IEEE 802.1ad
IEEE 802.1ad is an Ethernet networking standard that extends VLAN tagging (often called Q-in-Q) to support scalable, provider-based virtual LAN services in metropolitan and carrier networks.
-
D.
IEEE 802.1Qeu
IEEE 802.1Qeu is an IEEE networking standard that defines mechanisms for enhanced queuing and traffic management in bridged and virtualized Ethernet networks.
-
E.
MPLS
MPLS (Multiprotocol Label Switching) is a high-performance routing technique that directs data through a network using short path labels instead of long network addresses, enabling efficient traffic engineering and VPN services.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet VPN
ⓘ
VPN technology ⓘ network technology ⓘ |
| abbreviationOf |
EVPN
self-linksurface differs
ⓘ
surface form:
Ethernet Virtual Private Network
|
| controlPlaneType | control-plane-based MAC learning ⓘ |
| dataPlaneType | IP or MPLS underlay ⓘ |
| definedIn |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| designedFor |
carrier Ethernet services
ⓘ
data center fabric overlays ⓘ data center interconnect ⓘ |
| designGoal |
convergence of Layer 2 and Layer 3 VPNs
ⓘ
flexible VPN services ⓘ scalability ⓘ |
| fullName |
EVPN
self-linksurface differs
ⓘ
surface form:
Ethernet Virtual Private Network
|
| providesServiceType |
Layer 2 VPN
ⓘ
Layer 3 VPN ⓘ |
| replaces | VPLS in many deployments ⓘ |
| runsOver |
IP backbone
ⓘ
MPLS backbone ⓘ |
| standardizedIn |
RFC 7209
ⓘ
RFC 7432 ⓘ RFC 8365 ⓘ RFC 9135 ⓘ |
| supports |
ARP suppression
ⓘ
EVPN-MPLS overlays ⓘ EVPN-VXLAN overlays ⓘ EVPN self-linksurface differs ⓘ
surface form:
EVPN-over-SRv6
IP prefix advertisement ⓘ MAC address learning via control plane ⓘ MAC mobility ⓘ ND suppression ⓘ all-active multi-homing ⓘ integrated routing and bridging ⓘ multi-homing ⓘ multipoint Ethernet VPN ⓘ per-VLAN service instances ⓘ per-VNI service instances ⓘ single-active multi-homing ⓘ |
| usesAddressFamily | BGP EVPN address family ⓘ |
| usesControlPlaneProtocol | BGP ⓘ |
| usesDataPlaneEncapsulation |
MPLS
ⓘ
SRv6 ⓘ VXLAN ⓘ |
| usesRouteType |
EVPN Route Type 1
ⓘ
EVPN Route Type 2 ⓘ EVPN Route Type 3 ⓘ EVPN Route Type 4 ⓘ EVPN Route Type 5 ⓘ EVPN Route Type 6 ⓘ EVPN Route Type 7 ⓘ EVPN Route Type 8 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: EVPN Description of subject: EVPN (Ethernet VPN) is a modern network technology that uses BGP to provide scalable, flexible Layer 2 and Layer 3 VPN services over an IP or MPLS backbone.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
VXLAN BGP EVPN
this entity surface form:
Ethernet Virtual Private Network
this entity surface form:
Ethernet Virtual Private Network
subject surface form:
Cisco NX-OS