
- •Acknowledgments
- •Introduction
- •Assessment Test
- •Answers to Assessment Test
- •Service Provider Networks
- •Scalability
- •Traffic Engineering
- •Quality of Service
- •MPLS Label Stack
- •Shim Header
- •MPLS Architecture
- •Control
- •Forwarding
- •MPLS Label Switching
- •MPLS Network Components
- •Device Output
- •Label-Switched Paths
- •MPLS Applications
- •MPLS and ATM
- •Overlay
- •Quality of Service
- •Traffic Engineering
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •Routing Review
- •Frame-Mode MPLS Working Example
- •Network Routing Protocol Examples
- •MPLS Step by Step
- •Label Distribution
- •Assigning Labels
- •Troubleshooting and Verification
- •Device Configuration
- •IGP Verification
- •CEF Verification
- •MPLS Verification
- •Label Distribution and Bindings
- •Binding Verification
- •Troubleshooting the Network
- •Hiding Service Provider Devices
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •Frame-Mode MPLS and ATM
- •Frame-Mode MPLS and ATM Configuration
- •Cell-Mode MPLS
- •Label Binding with ATM
- •Cell-Mode Label Switching
- •VC Merge
- •Loop Prevention
- •Cell-Mode MPLS Configuration
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •VPNs 101
- •Point-to-Point Connections
- •Virtual Private Networks
- •Categories of VPNs
- •VPN Routing
- •Peer-to-Peer VPNs
- •Optimal Routing
- •Peer-to-Peer Security
- •Peer-to-Peer VPN Routing
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •Service Provider Configuration
- •MPLS VPNs
- •Virtual Router
- •Virtual Routing and Forwarding Tables
- •MPLS Operational Overview
- •MP-BGP Configuration
- •An MPLS VPN Example
- •Route Distinguisher
- •MP-IBGP Configuration Example
- •Initial Network Configuration
- •MP-IBGP Configuration
- •Verification
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •A Review of VPNs
- •Configuring a Simple MPLS VPN
- •Configuring VRF Interfaces
- •Running RIP in an MPLS VPN
- •Configuring RIPv2 with Address-Family ipv4
- •Configuring Redistribution
- •Route Targets
- •Configuring Route Targets
- •A Review of Simple VPN Configuration
- •Configuring MPLS in the Service Provider Network
- •Simple VPN Configuration
- •Configuring the PE-CE Routing Protocol
- •Lab: Configuring an MPLS VPN
- •Configuring POP Routers
- •VPN Configuration
- •Raleigh Running-Config
- •Atlanta Running-Config
- •Peer 1 Running-Config
- •Peer 2 Running-Config
- •Verification with Ping
- •Routing Table Isolation
- •Verifying VRF Routes
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •MP-BGP and OSPF
- •A Review of OSPF
- •OSPF Router Types
- •Link State Advertisements
- •OSPF for MPLS VPNs
- •OSPF Super-Backbone
- •Preventing Routing Loops
- •Path Selection
- •MPLS VPN OSPF Lab
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •Static Routing
- •Device Configuration
- •VPN Configuration
- •Raleigh Running-Config
- •Atlanta Running-Config
- •Peer Router Configuration
- •Verification with Ping
- •Verifying Static VRF Routes
- •E-BGP and MPLS VPNs
- •Device Configuration
- •E-BGP Operation
- •AS-Override
- •VPN Configuration
- •Raleigh Running-Config
- •Atlanta Running-Config
- •Peer Router Configuration
- •Peer 1 Running-Config
- •Peer 2 Running-Config
- •Verification with Ping
- •Advanced MPLS VPN Topologies
- •Simple VPNs
- •Central Services MPLS VPN Topology
- •Overlay MPLS VPN Topology
- •Summary
- •Exam Essentials
- •Key Terms
- •Review Questions
- •Answers to Review Questions
- •Challenge Lab 1
- •MPLS
- •MP-IBGP
- •Answer to Lab 1.1
- •Answer to Lab 1.2
- •Answer to Lab 1.3
- •Challenge Lab 2
- •Tag Switching
- •MP-IBGP
- •Answer to Lab 2.1
- •Answer to Lab 2.2
- •Answer to Lab 2.3
- •Challenge Lab 3
- •VRF Configuration
- •RIPv2
- •Redistribution
- •Answer to Lab 3.1
- •Answer to Lab 3.2
- •Answer to Lab 3.3
- •Challenge Lab 4
- •VRF Configuration
- •OSPF
- •Redistribution
- •Answer to Lab 4.1
- •Answer to Lab 4.2
- •Answer to Lab 4.3
- •Challenge Lab 5
- •VRF Configuration
- •Static Routes and Redistribution
- •Answer to Lab 5.1
- •Answer to Lab 5.2
- •Challenge Lab 6
- •VRF Configuration
- •E-BGP Configuration
- •Answer to Lab 6.1
- •Answer to Lab 6.2
- •Service Provider Network Configuration with OSPF
- •Router Configuration
- •Routing Tables
- •Tags
- •Service Provider Network Configuration with IS-IS
- •Router Configuration
- •Routing Tables
- •Tag Switching Forwarding Tables
- •Glossary

This appendix contains six challenge labs. The challenge labs will test your ability to configure all of the topics covered in this study guide.
Challenge Lab 1
The following challenge lab tests your ability to configure MPLS, BGP, and MP-IBGP.
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Copyright ©2002 SYBEX, Inc., Alameda, CA |
www.sybex.com |

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Challenge Lab 1 381 |
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MPLS
This section includes the following lab exercise:
Lab 1.1: Configure MPLS
L A B 1 . 1
Configure MPLS
1.Configure MPLS on PE1.
2.Configure MPLS on P1.
3.Configure MPLS on P2.
4.Configure MPLS on PE2.
BGP
This section includes the following lab exercise:
Lab 1.2: Configure BGP
L A B 1 . 2
Configure BGP
1.Configure BGP AS 65000 on PE1.
2.Add an I-BGP neighbor statement for PE2 (use the Loopback 0 address).
Copyright ©2002 SYBEX, Inc., Alameda, CA |
www.sybex.com |

382 Appendix A Challenge Labs
L A B 1 . 2 ( c o n t i n u e d )
3.Configure BGP AS 65000 on PE2.
4.Add an I-BGP neighbor statement for PE1 (use the Loopback 0 address).
MP-IBGP
This section includes the following lab exercise:
Lab 1.3: Configure MP-IBGP
L A B 1 . 3
Configure MP-IBGP
1.On PE1, activate neighbor PE2.
2.On PE1, configure PE1 to send both standard and extend communities to PE2.
3.On PE2, activate neighbor PE1.
4.On PE2, configure PE2 to send both standard and extend communities to PE1.
Answer to Lab 1.1
PE1#config t
Enter configuration commands, one per line. End with CNTL/Z. PE1(config)#ip cef
PE1(config)#mpls ip
PE1(config)#interface serial 0/0
PE1(config-if)#mpls ip
P1#config t
Enter configuration commands, one per line. End with CNTL/Z. P1(config)#ip cef
Copyright ©2002 SYBEX, Inc., Alameda, CA |
www.sybex.com |
Challenge Lab 1 383
P1(config)#mpls ip
P1(config)#interface serial 0/0
P1(config-if)#mpls ip
P1(config-if)#exit
P1(config)#interface serial 0/1
P1(config-if)#mpls ip
P2#config t
Enter configuration commands, one per line. End with CNTL/Z. P2(config)#ip cef
P2(config)#mpls ip
P2(config)#interface serial 0/0
P2(config-if)#mpls ip P2(config-if)#exit
P2(config)#interface serial 0/1
P2(config-if)#mpls ip
PE2#config t
Enter configuration commands, one per line. End with CNTL/Z. PE2(config)#ip cef
PE2(config)#mpls ip
PE2(config)#interface serial 0/0
PE2(config-if)#mpls ip
Answer to Lab 1.2
PE1#config t
Enter configuration commands, one per line. End with CNTL/Z. PE1(config)#router bgp 65000
PE1(config-router)#no synchronization
PE1(config-router)#network 192.168.1.1 mask 255.255.255.255 PE1(config-router)#neighbor 192.168.1.4 remote-as 65000 PE1(config-router)#neighbor 192.168.1.4 update-source Loopback0
Copyright ©2002 SYBEX, Inc., Alameda, CA |
www.sybex.com |