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L3VPN

QoS Classification and Marking in a Layer 3 MPLS VPN

August 22, 2026 by Nick

QoS is an essential concept for network engineers to understand. In this lab we will configure QoS Classification and Marking.

Categories Fundamentals, Networking Labs Tags Cisco Modeling Labs, IOS XE, L3VPN, QoS Leave a comment

MPLS Traffic Engineering with RSVP-TE on IOS XRd

July 25, 2026 by Nick

Configure MPLS Traffic Engineering with RSVP-TE on Cisco IOS XRd, including explicit paths, bandwidth reservations, L3VPN steering, and verification.

Categories MPLS Core, Networking Labs Tags BGP, Cisco Modeling Labs, L3VPN, MPLS, MPLS Traffic Engineering Leave a comment

How to Build a Layer 3 MPLS VPN in Cisco Modeling Labs (IOS XE)

August 10, 2026July 18, 2026 by Nick

In this lab, we will build a Layer 3 MPLS VPN that allows customer edge (CE) routers to send private traffic across our MPLS Core (CSR1000v).

Categories MPLS VPNs, Networking Labs Tags Cisco Modeling Labs, iBGP, IOS XE, L3VPN, MP-BGP, MPLS Leave a comment

MPLS Traffic Engineering with Segment Routing on IOS XRd

July 12, 2026July 12, 2026 by Nick

Segment routing is a modern MPLS Traffic Engineering tool. In this lab we’ll implement segment routing on IOS XRd in Cisco Modeling Labs.

Categories MPLS Core, Networking Labs Tags Cisco Modeling Labs, L3VPN, MPLS Traffic Engineering, Segment Routing, SR-TE Leave a comment

How to Configure a BGP Route Reflector in Cisco IOS XR

August 2, 2026June 11, 2026 by Nick
Layer 3 VPN with Route Reflector Topology in Cisco Modeling Labs

In this lab we will look at how to configure a Route Reflector for our VPNv4 routes in a Layer 3 VPN.

Categories MPLS VPNs, Networking Labs Tags Cisco Modeling Labs, L3VPN, MP-BGP, Route Reflector, VPNv4 Leave a comment

Building an MPLS Core With IOS XRd in Cisco Modeling Labs

July 19, 2026June 6, 2026 by Nick

Building a service provider core in Cisco Modeling Labs with IS-IS and MPLS.

Categories MPLS Core, Networking Labs Tags Cisco Modeling Labs, IS-IS, L3VPN, MPLS Leave a comment

Categories

  • Networking Concepts
  • Networking Labs
    • BGP Policy
    • Fundamentals
    • MPLS Core
    • MPLS VPNs

Recent Posts

  • QoS Classification and Marking in a Layer 3 MPLS VPN
  • Configuring Multicast with PIM Sparse Mode in Cisco Modeling Labs
  • How to Build a Layer 2 MPLS VPN (EVPN) in Cisco Modeling Labs
  • MPLS Traffic Engineering with RSVP-TE on IOS XRd
  • How to Build a Layer 3 MPLS VPN in Cisco Modeling Labs (IOS XE)
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