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Routing & Switching · Intermediate

SD-WAN Service VPN

A Cisco SD-WAN segment (VRF) on the LAN side carrying user traffic, numbered 1-511 except the reserved VPN 0 and VPN 512.

Definition

VPN 0 is the transport VPN containing WAN interfaces and control connections, and VPN 512 is out-of-band management. Service VPNs provide end-to-end segmentation by carrying a VPN label in the data plane.

Example

vpn 10 / interface GigabitEthernet0/0/2 on a vEdge (vrf definition 10 on IOS XE)

Exam tip

VPN 0 = transport, VPN 512 = management, others = service.

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