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lamarsh
Level 5
Level 5

Overview

This lab requires familiarity with the Cisco® networking architecture and routing fundamentals. This lab explores how to use Segment Routing (SR) in an LDP coexistence-internetworking environment and how to migrate an LDP-based network to an SR-based network.


This demonstration requires familiarity with networking architecture and routing fundamentals. For more information about SR, refer to www.segment-routing.net.

Check it out here: https://dcloud-cms.cisco.com/demo/segment-routing-ldp-v1

Scenarios

  • Scenario 1: Configure Segment Routing
  • Scenario 2: Prefer Segment Routing over LDP for IP-to-MPLS
  • Scenario 3: Add Auto-Route Announce on the RSVP-TE Tunnels Between XRVR-2 and XRVR-3

Requirements

RequiredOptional
  • Laptop
  • Cisco® AnyConnect®

Components

  • Cisco IOS XRv 6.2.1
  • Cisco VIRL

Features

VIRL
  • Virtual environment for building network topologies
  • Simulation of networking components
  • Capable of running a range of virtual machines (VMs) running Cisco operating systems (IOS-XE, IOS Classic, IOS-XR, and NX-OS)
  • Support for third-party VMs
  • Capture and analyze network traffic at any node
  • Validate configurations prior to physical deployment
Segment Routing
  • Segment Routing (SR) enables a unified, end-to-end, policy-aware network architecture from servers in the data center, through the WAN, and up to the aggregation.
  • SR is designed for SDN because it seeks the proper balance between distributed intelligence, centralized optimization, and application-based policy creation.
  • Other benefits of SR are related to operational simplicity, better scale (the SR policy is in the packet), and better utilization of the installed infrastructure (lower capex).

Topology

topo.jpg

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