H3C S5500-HI Switch Series User manual

H3C S5500-HI Switch Series

MPLS Configuration Guide

Hangzhou H3C Technologies Co., Ltd.

http://www.h3c.com

Software version: Release 5501

Document version: 6W100-20140103

No part of this manual may be reproduced or transmitted in any form or by any means without prior

written consent of Hangzhou H3C Technologies Co., Ltd.

Trademarks

H3C, , H3CS, H3CIE, H3CNE, Aolynk, , H3Care, , IRF, NetPilot, Netflow,

SecEngine, SecPath, SecCenter, SecBlade, Comware, ITCMM and HUASAN are trademarks of

Hangzhou H3C Technologies Co., Ltd.

All other trademarks that may be mentioned in this manual are the property of their respective owners

Notice

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of any kind, express or implied.

Preface

The H3C S5500-HI documentation set includes 12 configuration guides, which describe the software

features for the H3C S5500-HI Switch Series and guide you through the software configuration

procedures. These configuration guides also provide configuration examples to help you apply software

features to different network scenarios.

The MPLS Configuration Guide describes fundamentals and configuration of MPLS and its extended

functions, including MCE, IPv6MCE, MPLS basics, MPLS TE, VPLS, MPLS L2VPN, IPv6 MPLS L3VPN,.and

MPLS L3VPN.

This preface includes:

•Audience

•Added and modified features

•Conventions

•About the H3C S5500-HI documentation set

•Obtaining documentation

•Technical support

•Documentation feedback

Audience

This documentation is intended for:

•Network planners

•Field technical support and servicing engineers

•Network administrators working with the S5500-HI series

Added and modified features

Compared to Release 5206, Release 5501 does not contain any changes to MPLS.

Conventions

This section describes the conventions used in this documentation set.

Command conventions

Convention Descri

tion

Boldface Bold text represents commands and keywords that you enter literally as shown.

Italic Italic text represents arguments that you replace with actual values.

[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars, from which

you select one.

Convention Descri

tion

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical bars, from

which you select one or none.

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by vertical

bars, from which you select at least one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by vertical

bars, from which you select one choice, multiple choices, or none.

&<1-n> The argument or keyword and argument combination before the ampersand (&) sign can

be entered 1 to n times.

# A line that starts with a pound (#) sign is comments.

GUI conventions

Convention Descri

tion

Boldface Window names, button names, field names, and menu items are in Boldface. For

example, the New User window appears; click OK.

> Multi-level menus are separated by angle brackets. For example, File > Create > Folder.

Convention Descri

tion

< > Button names are inside angle brackets. For example, click <OK>.

[ ] Window names, menu items, data table and field names are inside square brackets. For

example, pop up the [New User] window.

/ Multi-level menus are separated by forward slashes. For example, [File/Create/Folder].

Symbols

Convention Descri

tion

WARNING An alert that calls attention to important information that if not understood or followed can

result in personal injury.

CAUTION An alert that calls attention to important information that if not understood or followed can

result in data loss, data corruption, or damage to hardware or software.

IMPORTANT An alert that calls attention to essential information.

NOTE An alert that contains additional or supplementary information.

TIP An alert that provides helpful information.

Network topology icons

Represents a generic network device, such as a router, switch, or firewall.

Represents a routing-capable device, such as a router or Layer 3 switch.

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports

Layer 2 forwarding and other Layer 2 features.

Port numbering in examples

The port numbers in this document are for illustration only and might be unavailable on your device.

About the H3C S5500-HI documentation set

The H3C S5500-HI documentation set includes:

Cate

Documents Pur

oses

Product

description and

specifications

Marketing brochure Describe product specifications and benefits.

Technology white papers Provide an in-depth description of software features and

technologies.

Hardware

specifications and

installation

Compliance and safety

manual

CE DOCs

Provide regulatory information and the safety instructions

that must be followed during installation.

Installation quick start Guides you through initial installation and setup

procedures to help you quickly set up your device.

Installation guide Provides a complete guide to switch installation and

specifications.

LSPM1FAN and

LSPM1FANB Installation

Manual

Describes the appearances, specifications, installation,

and removal of the pluggable fan modules available for

the products.

User manuals for power

modules

Describe the specifications, installation, and replacement

of hot swappable power modules.

RPS Ordering Information

for H3C Low-End Ethernet

Switches

Helps you order RPSs for switches that can work with an

RPS.

User manuals for RPSs Describe the specifications, installation, and replacement

of RPSs.

User manuals for interface

cards

Describe the specifications, installation, and replacement

of expansion interface cards.

H3C Low End Series

Ethernet Switches Pluggable

Modules Manual

Describes the specifications of pluggable transceiver

modules.

Pluggable SFP[SFP+][XFP]

Transceiver Modules

Installation Guide

Describe the installation, and replacement of

SFP/SFP+/XFP transceiver modules.

Software

configuration

Configuration guides Describe software features and configuration procedures.

Command references Provide a quick reference to all available commands.

Operations and

maintenance Release notes

Provide information about the product release, including

the version history, hardware and software compatibility

matrix, version upgrade information, technical support

information, and software upgrading.

Obtaining documentation

You can access the most up-to-date H3C product documentation on the World Wide Web

at http://www.h3c.com.

Click the links on the top navigation bar to obtain different categories of product documentation:

[Technical Support & Documents > Technical Documents] – Provides hardware installation, software

upgrading, and software feature configuration and maintenance documentation.

[Products & Solutions] – Provides information about products and technologies, as well as solutions.

[Technical Support & Documents > Software Download] – Provides the documentation released with the

software version.

Technical support

servi[email protected]

http://www.h3c.com

Documentation feedback

You can e-mail your comments about product documentation to info@h3c.com.

We appreciate your comments.

Contents

Configuring MCE ························································································································································· 1

MCE overview ···································································································································································1

MPLS L3VPN overview·············································································································································1

MPLS L3VPN concepts ·············································································································································2

Multi-VPN-instance CE ·············································································································································4

How MCE works ······················································································································································5

Using MCE in tunneling applications·····················································································································5

Configuring routing on an MCE······································································································································6

Route exchange between an MCE and a VPN site······························································································6

Route exchange between an MCE and a PE ········································································································8

Configuring an MCE ························································································································································8

Configuring VPN instances ·····································································································································8

Configuration prerequisites ·································································································································· 10

Configuring routing between MCE and VPN site······························································································ 11

Configuring routing between MCE and PE ········································································································ 16

Resetting BGP connections ············································································································································ 20

Displaying and maintaining MCE································································································································ 21

MCE configuration examples ······································································································································· 22

Using OSPF to advertise VPN routes to the PE··································································································· 22

Using BGP to advertise VPN routes to the PE····································································································· 27

Using tunnels to advertise VPN routes ················································································································ 30

Configuring IPv6 MCE···············································································································································37

Overview········································································································································································· 37

Configuring an IPv6 MCE ············································································································································· 37

Configuring routing on an IPv6 MCE ·························································································································· 39

Configuring routing between IPv6 MCE and VPN site ····················································································· 39

Configuring routing between IPv6 MCE and PE································································································ 43

Displaying information about IPv6 MCE ····················································································································· 46

IPv6 MCE configuration examples ······························································································································· 47

Using IPv6 ISIS to advertise VPN routes to the PE ····························································································· 47

Configuring basic MPLS ············································································································································53

MPLS overview ······························································································································································· 53

Basic concepts ······················································································································································· 53

MPLS network structure ········································································································································· 55

LSP establishment and label distribution ············································································································· 55

MPLS forwarding ··················································································································································· 58

LDP ·········································································································································································· 59

Protocols ································································································································································· 61

MPLS configuration task list··········································································································································· 61

Enabling the MPLS function··········································································································································· 62

Configuring a static LSP ················································································································································ 63

Establishing dynamic LSPs through LDP······················································································································· 64

Configuring MPLS LDP capability ························································································································ 64

Configuring local LDP session parameters ········································································································· 65

Configuring remote LDP session parameters ······································································································ 65

Configuring PHP ···················································································································································· 66

Configuring the policy for triggering LSP establishment ··················································································· 67

Configuring the label distribution control mode ································································································ 67

Configuring LDP loop detection ··························································································································· 68

Configuring LDP MD5 authentication·················································································································· 69

Configuring LDP label filtering ····························································································································· 69

Configuring DSCP for outgoing LDP packets ····································································································· 71

Maintaining LDP sessions ·············································································································································· 71

Configuring BFD for MPLS LDP ···························································································································· 71

Resetting LDP sessions··········································································································································· 72

Managing and optimizing MPLS forwarding ············································································································· 72

Configuring TTL processing mode at ingress······································································································ 72

Sending back ICMP TTL exceeded messages for MPLS TTL expired packets ················································· 73

Configuring LDP GR ·············································································································································· 74

Setting MPLS statistics reading interval························································································································ 76

Inspecting LSPs ······························································································································································· 76

Configuring MPLS LSP ping·································································································································· 77

Configuring MPLS LSP tracert······························································································································· 77

Configuring BFD for LSPs······································································································································ 78

Configuring periodic LSP tracert·························································································································· 79

Enabling MPLS trap························································································································································ 80

Displaying and maintaining MPLS ······························································································································· 80

Displaying MPLS operation ·································································································································· 80

Displaying MPLS LDP operation··························································································································· 81

Clearing MPLS statistics ········································································································································ 82

MPLS configuration examples······································································································································· 82

Configuring static LSPs·········································································································································· 82

Configuring LDP to establish LSPs dynamically·································································································· 85

Configuring MPLS TE ·················································································································································91

Basic concepts of MPLS TE ··································································································································· 92

MPLS TE implementation······································································································································· 92

CR-LSP····································································································································································· 93

RSVP-TE··································································································································································· 94

Traffic forwarding·················································································································································· 98

CR-LSP backup ······················································································································································· 99

FRR ·········································································································································································· 99

PS for an MPLS TE tunnel····································································································································101

Protocols and standards ·····································································································································101

MPLS TE configuration task list ···································································································································102

Configuring basic MPLS TE·········································································································································102

Creating an MPLS TE Tunnel over a static CR-LSP ····································································································103

Configuration procedure ····································································································································103

Creating an MPLS TE tunnel with a dynamic signaling protocol ············································································104

Configuring RSVP-TE advanced features ···················································································································108

Configuring RSVP reservation style ···················································································································108

Configuring RSVP state timers····························································································································109

Configuring the RSVP refresh mechanism·········································································································109

Configuring the RSVP hello extension ···············································································································110

iii

Configuring RSVP-TE resource reservation confirmation ·················································································110

Configuring RSVP authentication·······················································································································111

Configuring DSCP for outgoing RSVP packets·································································································111

Configuring RSVP-TE GR·····································································································································111

Tuning CR-LSP setup·····················································································································································112

Configuring route pinning ··································································································································112

Configuring administrative group and affinity attribute··················································································112

Configuring CR-LSP reoptimization····················································································································113

Tuning MPLS TE tunnel setup·······································································································································114

Configuring loop detection ································································································································114

Configuring route and label recording·············································································································114

Configuring tunnel setup retry····························································································································114

Assigning priorities to a tunnel ··························································································································115

Configuring traffic forwarding····································································································································115

Forwarding traffic along MPLS TE tunnels using static routes·········································································115

Forwarding traffic along MPLS TE tunnels through automatic route advertisement······································116

Configuring traffic forwarding tuning parameters····································································································117

Configuring the failed link timer ························································································································117

Specifying the link metric type for tunnel path calculation ·············································································118

Configuring the traffic flow type of a tunnel·····································································································118

Configuring CR-LSP backup ········································································································································119

Configuring FRR ···························································································································································119

Enabling FRR on the headend of a primary LSP ······························································································120

Configuring a bypass tunnel on its PLR·············································································································120

Configuring node protection ······························································································································121

Configuring the FRR polling timer······················································································································121

Inspecting an MPLS TE tunnel ·····································································································································122

MPLS LSP ping ·····················································································································································122

MPLS LSP tracert ··················································································································································122

Configuring BFD for an MPLS TE Tunnel···········································································································122

Configuring periodic LSP tracert for an MPLS TE tunnel ·················································································124

Configuring protection switching ·······························································································································125

Displaying and maintaining MPLS TE ························································································································125

MPLS TE configuration examples································································································································128

MPLS TE using static CR-LSP configuration example························································································128

MPLS TE using RSVP-TE configuration example ·······························································································132

RSVP-TE GR configuration example···················································································································138

MPLS RSVP-TE and BFD cooperation configuration example ·········································································140

CR-LSP backup configuration example ·············································································································142

FRR configuration example·································································································································146

MPLS TE in MPLS L3VPN configuration example·····························································································154

Troubleshooting MPLS TE ············································································································································162

Configuring VPLS ···················································································································································· 163

VPLS overview ······························································································································································163

Basic VPLS concepts············································································································································163

PW establishment················································································································································164

MAC address learning and flooding ················································································································165

VPLS loop avoidance ··········································································································································166

VPLS packet encapsulation·································································································································166

H-VPLS implementation ·······································································································································167

VPLS configuration task list··········································································································································169

Enabling L2VPN and MPLS L2VPN····························································································································169

Configuring LDP VPLS ··················································································································································169

Configuring an LDP VPLS instance·····················································································································170

Configuring BGP VPLS·················································································································································171

Configuring the BGP extension··························································································································171

Configuring a BGP VPLS instance ·····················································································································171

Resetting VPLS BGP connections························································································································172

Binding a service instance with a VPLS instance ······································································································172

Configuring MAC address learning···························································································································173

Configuring MAC address move ·······························································································································173

Configuring VPLS instance attributes··························································································································173

Inspecting PWs·····························································································································································174

Displaying and maintaining VPLS ······························································································································174

VPLS configuration examples······································································································································175

Binding service instances with VPLS instances ·································································································175

Configuring PW redundancy for H-VPLS access······························································································180

Configuring BFD for the primary link in an H-VPLS network···········································································184

Troubleshooting VPLS···················································································································································189

Configuring MPLS L2VPN······································································································································· 190

MPLS L2VPN overview ················································································································································190

Basic concepts of MPLS L2VPN ·························································································································190

MPLS L2VPN network models ····························································································································191

Remote connection operation ····························································································································191

Implementation of MPLS L2VPN·························································································································193

VC types ·······························································································································································198

MPLS L2VPN configuration task list····························································································································198

Configuring basic MPLS L2VPN ·································································································································199

Configuring a PE-CE interface of a PE·······················································································································199

Configuring Ethernet encapsulation ··················································································································199

Configuring VLAN encapsulation······················································································································200

Configuring a remote CCC connection·····················································································································200

Configuring SVC MPLS L2VPN···································································································································200

Configuring Martini MPLS L2VPN ······························································································································201

Configuring the remote peer······························································································································202

Creating a Martini VC on a Layer 3 interface·································································································202

Creating a Martini VC for a service instance ··································································································202

Inspecting VCs ·····················································································································································204

Configuring Kompella MPLS L2VPN ··························································································································204

Configuring BGP L2VPN capability ··················································································································204

Creating and configuring an MPLS L2VPN ······································································································205

Creating a CE connection ··································································································································205

Displaying and maintaining MPLS L2VPN ················································································································207

MPLS L2VPN configuration examples························································································································208

Example for configuring a remote CCC connection ·······················································································208

Example for configuring SVC MPLS L2VPN ·····································································································212

Example for configuring Martini MPLS L2VPN ································································································215

Example for configuring Kompella MPLS L2VPN·····························································································219

Example for configuring a VC for a service instance······················································································222

Troubleshooting MPLS L2VPN·····································································································································226

Configuring MPLS L3VPN······································································································································· 227

MPLS L3VPN packet forwarding························································································································231

MPLS L3VPN networking schemes·····················································································································231

MPLS L3VPN routing information advertisement······························································································234