IOSXR301 - Cisco IOS XR Layer 3 VPN Implementation and Verification

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Description

The Cisco IOS? XR Layer 3 VPN Implementation and Verification1 (IOSXR301) is an instructor-led, lab-based, hands-on course that covers how to implement and verify Layer 3 VPN Services on a Cisco IOS-XR Software?based network.

You learn how to implement and verify Label Distribution Protocol (LDP) in the core of a service provider network, including implementing LDP session protection, LDP nonstop routing, graceful restart, LDP-IGP synchronization, LDP auto configuration and MPLS Operations, Administration, and Maintenance (OAM) solution.

You also learn how to implement and verify intra-AS Layer 3 VPNs using MP-BGP (Multiprotocol Border Gateway Protocol) in core network and various PE-CE route distribution methods, including using static routing and BGP.

Also, you learn how to implement and verify inter-AS Layer 3 VPNs using various methods including inter-AS Layer 3 VPN options A, B and C.

This course is part of a portfolio of courses to enable customers to support and maintain their Cisco IOS-XR platforms. These platforms include the Cisco ASR 9000 Series Aggregation Services Routers and Carrier Routing System CRS-1, CRS-3, and CRS-X; and Cisco Network Convergence System Series (NCS) 1000, 4000, 5000, 5500, and 6000.

 

Objectives

You learn to implement and verify:

  • MPLS LDP in a service provider network
  • Intra-AS Layer 3 VPNs
  • Inter-AS Layer 3 VPNs

Prerequisites

Course Prerequisites:

  • Completion of the Introduction to Cisco IOS XR (IOSXR100) training course, or equivalent hands-on experience configuring and supporting Cisco IOS XR?based routers
  • Completion of the Cisco IOS XR System Administration (IOSXR200) training course, or equivalent hands-on experience configuring and supporting Cisco IOS XR?based routers

Recommended Prerequisites and Skills, and the Ability to:

  • Efficiently configure Cisco IOS-XR Software?based platforms
  • Configure and troubleshoot Interior Gateway Protocol (Intermediate System -to-Intermediate System [IS-IS] Protocol and Open Shortest Path First [OSPF] Protocol) routing
  • Configure and troubleshoot BGP routing

Who Should Attend

This course is designed for technical professionals who need to know how to implement Layer 3 VPN services on a Cisco IOS-XR platform for a service provider or large enterprise environment.

Targeted roles include:

  • Implementation and design engineers
  • Network planning engineers

Outline

Module 1: MPLS Label Distribution Protocol

  • Components of the Label Forwarding Information Base (LFIB)
  • LDP Protocol Overview
  • Cisco IOS XR LDP Implementation
  • Cisco IOS XR MPLS Forwarding Infrastructure
  • LDP Operation and Configuration
  • Commands for Troubleshooting LDP Operation

Module 2: Intra-AS Layer 3 VPNs

  • L3VPN Overview
  • L3VPN Operation
  • L3VPN Intranet Configuration and Verification
  • L3VPN Extranet Configuration and Verification

Module 3: Inter-AS Layer 3 VPNs

  • Inter-AS L3VPN Overview
  • Inter-AS Option A Configuration and Verification
  • Inter-AS Option B Configuration and Verification
  • Inter-AS Option C Configuration and Verification

Lab Outline

Lab 1: Lab Familiarization

  • Task 1: Verify the SP1 Core Configuration
  • Task 2: Verify the SP2 Core Configuration

Lab 2: Implementing and Verifying MPLS LDP

  • Task 1: Configure and Verify LDP in the SP1 Core
  • Task 2: Configure and Verify Session Protection for the SP1 Core
  • Task 3: Configure and Verify MPLS LDP NSR in the SP1 Core
  • Task 4: Configure and Verify LDP IGP Sync and Graceful Restart
  • Task 5: Use OAM to test LDP in the SP1 Core
  • Task 6: Configure and Verify the SP2 Core LDP
  • Task 7: Configure and Verify LDP IGP Sync in the SP2 Core
  • Task 8: Use OAM to test LDP in the SP2 Core

Lab 3: Implementing and Verifying Intra-AS Layer 3 VPNs

  • Task 1: Verify the Lab for L3VPN Support
  • Task 2: Implement an L3VPN Intranet in the SP1 Core
  • Task 3: Verify and Examine the L3VPN Intranet in the SP1 Core
  • Task 4: Configure and L3VPN Intranet in the SP2 Core
  • Task 5: Verify and Examine the L3VPN Intranet in the SP2 Core
  • Task 6: Configure an L3VPN Extranet in the SP1 Core
  • Task 7: Verify and Examine the L3VPN Extranet in the SP1 Core

Lab 4: Implementing and Verifying Inter-AS Layer 3 VPNs

  • Task 1: Prepare the Lab for Inter-AS Option B
  • Task 2: Create and Verify an Inter-AS Option B L3VPN
  • Task 3: Prepare the Lab for Inter-AS Option C
  • Task 4: Create and Verify an Inter-AS Option C L3VPN