Huawei Quidway netengine80e User manual

HUAWEI NetEngine80E/40E Router

V600R003C00

Configuration Guide - Reliability

Issue 02

Date 2011-09-10

HUAWEI TECHNOLOGIES CO., LTD.

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

consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and the

customer. All or part of the products, services and features described in this document may not be within the

purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,

and recommendations in this document are provided "AS IS" without warranties, guarantees or representations

of any kind, either express or implied.

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.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

Bantian, Longgang

Shenzhen 518129

People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

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About This Document

Purpose

With regard to functions, configuration methods, and maintenance and configuration examples,

this document describes the reliability configurations, which includes the reliability overview,

interface backup configuration, APS Configuration, VRRP configuration, BFD configuration,

GR Configuration, NSR Configuration, Ethernet OAM Configuration, Y.1731 configuration,

MPLS-TP OAM configuration, Multi-Device Backup configuration.

NOTE

lThis document takes interface numbers and link types of the NE40E-X8 as an example. In working

situations, the actual interface numbers and link types may be different from those used in this

document.

lIn NE80E/40E series (except for the NE40E-X1/X2), line processing boards are called Line Processing

Units (LPUs) and switching fabric boards are called Switching Fabric Units (SFUs). The NE40E- X1/

X2 has no LPU and SFU, and packet switching and forwarding are centrally performed by the Network

Processing Unit (NPU).

Related Versions

The following table lists the product versions related to this document.

Product Name Version

HUAWEI NetEngine80E/40E

Router

V600R003C00

Intended Audience

This document is intended for:

lCommissioning Engineer

lData Configuration Engineer

lNetwork Monitoring Engineer

lSystem Maintenance Engineer

HUAWEI NetEngine80E/40E Router

Configuration Guide - Reliability About This Document

Issue 02 (2011-09-10) Huawei Proprietary and Confidential

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol Description

DANGER

Alerts you to a high risk hazard that could, if not avoided,

result in serious injury or death.

WARNING

Alerts you to a medium or low risk hazard that could, if

not avoided, result in moderate or minor injury.

CAUTION

Alerts you to a potentially hazardous situation that could,

if not avoided, result in equipment damage, data loss,

performance deterioration, or unanticipated results.

TIP

Provides a tip that may help you solve a problem or save

time.

NOTE

Provides additional information to emphasize or

supplement important points in the main text.

Command Conventions (Optional)

The command conventions that may be found in this document are defined as follows.

Convention Description

Boldface The keywords of a command line are in boldface.

Italic Command arguments are in italics.

[ ] Items (keywords or arguments) in brackets [ ] are optional.

{ x | y | ... } Optional items are grouped in braces and separated by

vertical bars. One item is selected.

[ x | y | ... ] Optional items are grouped in brackets and separated by

vertical bars. One item is selected or no item is selected.

{ x | y | ... }*Optional items are grouped in braces and separated by

vertical bars. A minimum of one item or a maximum of all

items can be selected.

[ x | y | ... ]*Optional items are grouped in brackets and separated by

vertical bars. Several items or no item can be selected.

&<1-n> The parameter before the & sign can be repeated 1 to n times.

# A line starting with the # sign is comments.

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iii

Change History

Changes in Issue 02 (2011-09-10)

Second commercial release.

lAPS Configuration

–The feature of APS 1+1 bidirectional protection switchover is supported so that the

command keyword and description about this feature is added in 3.2.4 (Optional)

Configuring a Working Mode for an APS Group and 3.3.4 Configuring a Working

Mode for an APS Group.

–The feature of low-priority signal failure code for a switching request carried in the K

byte on the protect interface is supported so that the command keyword and description

about this feature is added in 3.2.3 Configuring a Protection Interface in an APS

Group and 3.3.3 Configuring a Protection Interface in an APS Group.

lY.1731 Configuration

–9.10.12 Example for Configuring Y.1731 Statistics Based on QoS Simple Traffic

Classification is added in this chapter.

Changes between document issues are cumulative. The latest document issue contains all the

changes made in earlier issues.

Changes in Issue 01 (2011-06-30)

Initial commercial release.

HUAWEI NetEngine80E/40E Router

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Contents

About This Document.....................................................................................................................ii

1 Reliability Overview.....................................................................................................................1

1.1 Introduction........................................................................................................................................................2

1.1.1 Overview of Reliability Technologies.......................................................................................................2

1.1.2 Indices of Reliability.................................................................................................................................2

1.1.3 Levels of Reliability Requirements...........................................................................................................3

1.1.4 Principles for High-Reliablity IP Networking...........................................................................................3

1.2 Reliability Technologies for IP Networks..........................................................................................................4

1.2.1 Failure Detection for IP Networks.............................................................................................................4

1.2.2 Protection Switching for IP Networks.......................................................................................................4

1.3 Reliability Technologies Supported by the NE80E/40E....................................................................................5

1.3.1 FRR (Fast ReRoute)..................................................................................................................................5

1.3.2 OAM (Operation Administration & Maintenance)...................................................................................7

1.3.3 VRRP (Virtual Router Redundancy Protocol)..........................................................................................7

1.3.4 BFD (Bidirectional Forwarding Detection)...............................................................................................8

1.4 Networking of Reliability over an IP Network..................................................................................................8

1.4.1 Failures on Intermediate Nodes or on the Link Between PEs - LDP FRR/TE FRR.................................8

1.4.2 Link Failure During Transmission............................................................................................................9

1.4.3 Failure on the Remote PE - VPN FRR....................................................................................................11

1.4.4 Failure of Downlink Interface on the PE - IP FRR.................................................................................12

2 Interface Backup Configuration...............................................................................................13

2.1 Introduction of Interface Backup......................................................................................................................14

2.1.1 Interface Backup Overview.....................................................................................................................14

2.1.2 Characteristics of the Interface Backup Supported by the NE80E/40E..................................................15

2.2 Configuring the Active/Standby Interface Backup...........................................................................................16

2.2.1 Establishing the Configuration Task.......................................................................................................16

2.2.2 Configuring a Standby Interface..............................................................................................................17

2.2.3 Configuring the Active/Standby Switchover Delay................................................................................18

2.2.4 Checking the Configuration.....................................................................................................................18

2.3 Configuring the Load Balancing Interface Backup..........................................................................................19

2.3.1 Establishing the Configuration Task.......................................................................................................19

2.3.2 Configuring a Standby Interface..............................................................................................................20

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2.3.3 Configuring the Percentage Thresholds for Load Balancing..................................................................21

2.3.4 (Optional) Configuring the Bandwidth and Flow Check Interval for the Active Interface.....................21

2.3.5 Checking the Configuration.....................................................................................................................22

2.4 Maintaining the Interface Backup....................................................................................................................23

2.4.1 Monitoring Working Status of the Interface Backup..............................................................................23

2.5 Configuration Examples...................................................................................................................................23

2.5.1 Example for Configuring the Active/Standby Mode of Multiple Interfaces...........................................23

2.5.2 Example for Configuring Load Balancing on Multiple Standby Interfaces............................................27

3 APS Configuration......................................................................................................................31

3.1 APS Overview..................................................................................................................................................32

3.1.1 APS Overview.........................................................................................................................................32

3.1.2 APS Features Supported by the NE80E/40E...........................................................................................34

3.2 Configuring Single-Device APS......................................................................................................................35

3.2.1 Establishing the Configuration Task.......................................................................................................35

3.2.2 Configuring a Working Interface in an APS Group................................................................................35

3.2.3 Configuring a Protection Interface in an APS Group..............................................................................36

3.2.4 (Optional) Configuring a Working Mode for an APS Group..................................................................37

3.2.5 (Optional) Configuring a Switching Mode for an APS Group................................................................38

3.2.6 (Optional) Setting the WTR Time for an APS Group.............................................................................39

3.2.7 Adding Members of an APS Group to a Trunk.......................................................................................39

3.2.8 Checking the Configuration.....................................................................................................................40

3.3 Configuring E-APS...........................................................................................................................................41

3.3.1 Establishing the Configuration Task.......................................................................................................41

3.3.2 Configuring a Working Interface in an APS Group................................................................................42

3.3.3 Configuring a Protection Interface in an APS Group..............................................................................43

3.3.4 Configuring a Working Mode for an APS Group...................................................................................44

3.3.5 (Optional) Configuring a Switching Mode for an APS Group................................................................45

3.3.6 (Optional) Setting the Interval for Sending APS Negotiation Messages and the Hold Time of an APS

Connection........................................................................................................................................................45

3.3.7 (Optional) Configuring the Authentication String for a PGP Message...................................................46

3.3.8 (Optional) Setting the WTR Time for an APS Group.............................................................................47

3.3.9 Adding Members of an APS Group to a Trunk.......................................................................................48

3.3.10 Checking the Configuration...................................................................................................................48

3.4 Configuration Examples...................................................................................................................................49

3.4.1 Example for Configuring TDM on the CPOS interfaces Configured with APS.....................................49

3.4.2 Example for Configuring APS on a CPOS-Trunk...................................................................................56

3.4.3 Example for Associating PW Redundancy with E-APS Working in 1:1 Mode.....................................59

4 VRRP Configuration...................................................................................................................73

4.1 VRRP Introduction...........................................................................................................................................75

4.1.1 VRRP Overview......................................................................................................................................75

4.1.2 VRRP Features Supported by the NE80E/40E........................................................................................75

4.2 Configuring the VRRP Backup Group.............................................................................................................79

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4.2.1 Establishing the Configuration Task.......................................................................................................79

4.2.2 Creating a Backup Group and Configuring a Virtual IP Address...........................................................80

4.2.3 Configuring Priorities for Interfaces Where a Backup Group Is Created...............................................82

4.2.4 Checking the Configuration.....................................................................................................................84

4.3 Configuring VRRP to Track the Status of an Interface....................................................................................85

4.3.1 Establishing the Configuration Task.......................................................................................................85

4.3.2 Configuring VRRP to Track the Status of an Interface...........................................................................86

4.3.3 Checking the Configuration.....................................................................................................................88

4.4 Configuring a Fast VRRP Switchover (in Common Mode).............................................................................89

4.4.1 Establishing the Configuration Task.......................................................................................................89

4.4.2 Tracking the BFD Session Status............................................................................................................90

4.4.3 Tracking the BFD Session Status............................................................................................................93

4.4.4 Tracking the Status of the SPU Group....................................................................................................95

4.4.5 Checking the Configuration.....................................................................................................................96

4.5 Configuring VRRP Fast Switchover (Using BFD Sampling)..........................................................................97

4.5.1 Establishing the Configuration Task.......................................................................................................97

4.5.2 Binding the Service VRRP Backup Group to the mVRRP Backup Group.............................................99

4.5.3 Configuring an mVRRP Backup Group to Track the BFD Session Status...........................................100

4.5.4 Setting the Threshold for VRRP Fast Switchover.................................................................................101

4.5.5 Enabling the Association Between the mVRRP Backup Group Status and the Route.........................102

4.5.6 Checking the Configuration...................................................................................................................103

4.6 Configuring Ignorance of the Down of an Interface Where the mVRRP Backup Group Is Configured.......104

4.6.1 Establishing the Configuration Task.....................................................................................................104

4.6.2 Configuring the mVRRP Backup Group...............................................................................................106

4.6.3 Binding the Service VRRP Backup Group to the mVRRP Backup Group...........................................107

4.6.4 Configuring an mVRRP Backup Group to Track the BFD Session Status...........................................107

4.6.5 Setting the Threshold for VRRP Fast Switchover.................................................................................109

4.6.6 Enabling the Association Between the mVRRP Backup Group Status and the Route.........................109

4.6.7 Checking the Configuration...................................................................................................................110

4.7 Configuring VRRP Applications in VLANIF................................................................................................111

4.7.1 Establishing the Configuration Task.....................................................................................................111

4.7.2 Configuring VRRP on VLANIF............................................................................................................112

4.7.3 (Optional) Configuring the Sending Mode of VRRP Packets in Super-VLAN....................................112

4.7.4 Checking the Configuration...................................................................................................................113

4.8 Configuring VRRP Security...........................................................................................................................114

4.8.1 Establishing the Configuration Task.....................................................................................................114

4.8.2 Configuring the Authentication Mode of VRRP Packets......................................................................115

4.8.3 Checking the Configuration...................................................................................................................116

4.9 Configuring VRRP Smooth Switching...........................................................................................................116

4.9.1 Establishing the Configuration Task.....................................................................................................116

4.9.2 Configuring VRRP Smooth Switching..................................................................................................117

4.9.3 Checking the Configuration...................................................................................................................118

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4.10 Adjusting and Optimizing VRRP.................................................................................................................119

4.10.1 Establishing the Configuration Task...................................................................................................119

4.10.2 Configuring the Interval for Sending VRRP Advertising Messages...................................................120

4.10.3 Configuring the Preemption Delay Time of Backup Group Router s.................................................121

4.10.4 Enabling the Reachability Test of the Virtual IP Address...................................................................123

4.10.5 Disabling a Router from Checking Number of Hops in VRRP Packets.............................................123

4.10.6 Configuring the Timeout Time of Sending Gratuitous ARP Packets by the Master router................124

4.10.7 Checking the Configuration.................................................................................................................125

4.11 Configuring mVRRP Backup Groups..........................................................................................................126

4.11.1 Establishing the Configuration Task...................................................................................................126

4.11.2 Configuring mVRRP Backup Group...................................................................................................128

4.11.3 (Optional) Configuring Member VRRP Backup Groups and Binding them to the mVRRP Backup Group

........................................................................................................................................................................129

4.11.4 (Optional) Binding Member Interface and Management Backup Group............................................130

4.11.5 (Optional) Binding the PW to the mVRRP Backup Group Through VPLS.......................................131

4.11.6 Checking the Configuration.................................................................................................................131

4.12 Configuring VRRP Version Upgrade...........................................................................................................132

4.12.1 Establishing the Configuration Task...................................................................................................133

4.12.2 Configuring VRRPv3..........................................................................................................................133

4.12.3 Checking the Configuration.................................................................................................................134

4.13 Maintaining VRRP.......................................................................................................................................134

4.13.1 Monitoring the VRRP Running...........................................................................................................134

4.14 Configuration Examples...............................................................................................................................135

4.14.1 Example for Configuring VRRP in Master/Backup Mode.................................................................135

4.14.2 Example for Configuring VRRP in Load Balancing Mode................................................................139

4.14.3 Example for Configuring the Multi-Instance VRRP...........................................................................143

4.14.4 Example for Configuring VRRP Fast Switchover..............................................................................149

4.14.5 Example for Configuring VRRP Fast Switchover (Using One-Arm Echo Function)........................153

4.14.6 Example for Configuring VRRP Fast Switchover (Using BFD Sampling)........................................160

4.14.7 Example for Configuring Ignorance of the Down of an Interface Where the mVRRP Backup Group Is

Configured......................................................................................................................................................179

4.14.8 Example for Configuring VRRP on VLANIF Interfaces....................................................................199

4.14.9 Example for Configuring VRRP on Sub-interfaces for QinQ VLAN Tag Termination to Reduce the

Number of Gratuitous ARP Packets to Be Sent.............................................................................................206

4.14.10 Example for Configuring VRRP for IPv6 on Sub-interfaces for QinQ VLAN Tag Termination to

Reduce the Number of ND Packets to Be Sent..............................................................................................214

4.14.11 Example for Configuring a VRRP6 Backup Group in Master/Backup Mode..................................222

4.14.12 Example for Configuring VRRP6 Backup Groups in Load Balancing Mode..................................227

5 BFD Configuration....................................................................................................................232

5.1 Introduction to BFD........................................................................................................................................234

5.1.1 BFD Overview.......................................................................................................................................234

5.1.2 BFD Features Supported by the NE80E/40E........................................................................................234

5.2 Configuring Single-hop BFD.........................................................................................................................242

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5.2.1 Establishing the Configuration Task.....................................................................................................242

5.2.2 Enabling BFD Globally.........................................................................................................................242

5.2.3 Setting Up a BFD Session.....................................................................................................................243

5.2.4 Checking the Configuration...................................................................................................................244

5.3 Configuring the BFD Passive Echo Function.................................................................................................246

5.3.1 Establishing the Configuration Task.....................................................................................................246

5.3.2 Configuring the BFD Passive Echo Function........................................................................................247

5.3.3 Checking the Configuration...................................................................................................................247

5.4 Configuring the Association Between the BFD Status and the Interface Status............................................248

5.4.1 Establishing the Configuration Task.....................................................................................................248

5.4.2 Configuring the Association Between BFD Status and Interface Status...............................................249

5.4.3 Checking the Configuration...................................................................................................................250

5.5 Configuring the Association Between the BFD Status and the Sub-Interface Status....................................251

5.5.1 Establishing the Configuration Task.....................................................................................................252

5.5.2 Configuring the Association Between BFD Status and Sub-Interface Status.......................................252

5.5.3 Checking the Configuration...................................................................................................................253

5.6 Configuring the BFD to Modify the PST.......................................................................................................254

5.6.1 Establishing the Configuration Task.....................................................................................................254

5.6.2 Permitting the BFD to Modify the PST.................................................................................................255

5.6.3 Checking the Configuration...................................................................................................................256

5.7 Configuring the Multi-Hop BFD....................................................................................................................257

5.7.1 Establishing the Configuration Task.....................................................................................................257

5.7.2 Enabling BFD Globally.........................................................................................................................258

5.7.3 Setting Up a BFD Session.....................................................................................................................258

5.7.4 Checking the Configuration...................................................................................................................259

5.8 Configuring a BFD Session with Automatically Negotiated Discriminators.................................................261

5.8.1 Establishing the Configuration Task.....................................................................................................261

5.8.2 Enabling BFD Globally.........................................................................................................................261

5.8.3 Configuring a BFD Session with Automatically Negotiated Discriminators........................................262

5.8.4 Checking the Configuration...................................................................................................................263

5.9 Configuring the Delay of a BFD Session to Go Up.......................................................................................264

5.9.1 Establishing the Configuration Task.....................................................................................................264

5.9.2 Configuring the Delay of a BFD Session to Go Up..............................................................................264

5.9.3 Checking the Configuration...................................................................................................................265

5.10 Configuring a BFD Session with the One-Arm Echo Function...................................................................266

5.10.1 Establishing the Configuration Task...................................................................................................266

5.10.2 Enable BFD Globally..........................................................................................................................267

5.10.3 Establishing a BFD Session.................................................................................................................267

5.10.4 Checking the Configuration.................................................................................................................268

5.11 Adjusting BFD Parameters...........................................................................................................................269

5.11.1 Establishing the Configuration Task...................................................................................................269

5.11.2 Modifying the Detection Time............................................................................................................270

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