Tellabs® 8600 Smart Routers Routing Protocols ... - baixardoc

Tellabs® 8600 Smart Routers

Routing Protocols Configuration Guide

76.8600-50121F13.01.2014

Document Information

Revision History

Document No. Date Description of Changes

76.8600-50121F 13.01.2014 Renewed related documentation table in Tellabs 8600 Smart

Routers Technical Documentation.

Added ECMP support in ELC1 line card in 9 Equal Cost Multipath

(ECMP).

Added 3.9 BGP Failover.

Added support of BFD for single hop BGP in 7 Bidirectional

Forwarding Detection .

Updates applied in 6.1 IS-IS Basic Configuration.

Added a configuration example of 8.1.4 Single Hop BGP.

Added clarification of VRRP multiple instances configuration to

an interface in 10.2.1 VRRP Parameters.

Added ELC1 support of VRRP + IRB and VRRP + ELP in

10.3.1 Implementation.

VRRP master and backup roles corrected in 11.1.2 Router–2

Configuration.

Updates and corrections applied in 8.2 BFD Configuration for

Static Routes.

Changes applied in 3.2 BGP Attributes and reworked

3.2.6 COMMUNITY Attribute.

76.8600-50121E 28.08.2012 New Tellabs 8600 brand: Tellabs 8600 managed edge system and

Tellabs 8600 network elements changed to Tellabs 8600 smart

routers.

Related documentation table updated.

Major changes and updates applied to BGP section 3 Border

Gateway Protocol :

� Added BGP attributes 3.2 BGP Attributes.

� Route policing updates 3.4 BGP Routing Policy .

� Renewed 3.5 Route Aggregation and added route aggregation

for VPNs 3.5.2 BGP VPN Route Aggregation.

� Renewed RFD and graceful restart in .

� Renewed 3.7 Route Refresh.

� Renewed 3.8.1 Route Reflector and 3.8.2 AS Confederation.

BGP configuration updates and CLI examples layout change from

table to step list in 4 BGP Configuration Examples:

� Updates in 4.1 Basic Configurations.

� Added route aggregation for VPNs configuration in 4.2 Route

Aggregation Configuration.

� Renewed RR and AS confederation configuration examples in

4.3 Advanced Configurations .

Corrections made to 7 Bidirectional Forwarding Detection .

Updates in 9 Equal Cost Multipath (ECMP) and ECMP

9.3.4 Scalability.

VRRP support in ELC1 10.3.1 Implementation.

CLI examples layout change from table format to step list

in: 2 OSPF Configuration Examples; 6 IS-IS Configuration

Examples; 8 BFD Configuration Examples and 11 VRRP CLI

Configuration Examples.

Tellabs® 8600 Smart Routers 76.8600-50121FRouting Protocols Configuration Guide © 2014 Tellabs.

2

Document No. Date Description of Changes

76.8600-50121D 02.11.2011 Updated VRRP parameters in 10.2.1 VRRP Parameters.

Added VRRP timers, starting conditions and initial timer values of

a VRRP backup router in 10.2.2 VRRP Timers.

Added tracking delay timer in 10.3.2 Object Tracking.

76.8600-50121C 27.09.2011 BGP overview updates (introduction, BGP peering, managing

route preferences, next-hop attribute and BGP routing policy) in

3 Border Gateway Protocol .

Updated BGP basic configuration examples in 4.1 Basic

Configurations.

Added precautions of avoiding packet loss in VRRP after

mastership role switchover in 10.3.2 Object Tracking.

Added a setup of waiting time after VRRP initialization before

mastership role switchover to prevent unnecessary switchover in

10.3.3 VRRP with IRB.

Added configuration step of setting the waiting time after VRRP

initialization in 11.2 VRRP with IRB Configuration.

76.8600-50121B 25.08.2011 BFD monitoring for static routes 7 Bidirectional Forwarding

Detection . BFD configuration in static routing 8.2 BFD

Configuration for Static Routes. BFD session information

8.2.1 BFD Status.

Virtual Router Redundancy Protocol 10 Virtual Router

Redundancy Protocol. VRRP Configuration 11 VRRP CLI

Configuration Examples.

ECMP routing 9 Equal Cost Multipath (ECMP).

OSPF status and statistics 2.10 OSPF Status .

BGP overview in 3 Border Gateway Protocol and BGP peering

TCP session. BGP next-hop area support 3.2.3 NEXT HOP

Attribute. BGP Policing using communities attribute and

route-map in 3.4 BGP Routing Policy .

Renewed BGP basic configuration (also added BGP configuration

status); added BGP routing policy configuration examples and

updates in BGP authentication, connection reset 4.1 Basic

Configurations. BGP advanced configuration changed AS

numbers.

This revision of the manual documents the following network elements and the corresponding

feature packs or higher.

Tellabs 8605 smart router FP1.6

Tellabs 8607 smart router FP1.1

Tellabs 8609 smart router, Tellabs 8611 smart router FP1.2

Tellabs 8620 smart router, Tellabs 8630 smart router, Tellabs 8660 smart router FP4.1

If you have a different feature pack of Tellabs 8600 products, please refer to the relevant product

document program on the Tellabs Portal by navigating to www.portal.tellabs.com > Product

Documentation > Data Networking > Tellabs 8600 Smart Routers > Technical Documentation.

© 2014 Tellabs. All rights reserved.

This Tellabs manual is owned by Tellabs or its licensors and protected by U.S. and international copyright laws, conventions and

treaties. Your right to use this manual is subject to limitations and restrictions imposed by applicable licenses and copyright laws.

Unauthorized reproduction, modification, distribution, display or other use of this manual may result in criminal and civil penalties.

The following trademarks and service marks are owned by Tellabs Operations, Inc. or its affiliates in the United States and/or

other countries: TELLABS®, TELLABS® logo, TELLABS and T symbol®, and T symbol®.

Any other company or product names may be trademarks of their respective companies.

The specifications and information regarding the products in this manual are subject to change without notice. All statements,

information, and recommendations in this manual are believed to be accurate but are presented without warranty of any kind,

express or implied. Users must take full responsibility for their application of any products.

Adobe® Reader® are registered trademarks of Adobe Systems Incorporated in the United States and/or other countries.


4


Terms and Abbreviations

Term Explanation

ABR Area Border Router

AFI Authority and Format Identifier

ARP Address Resolution Protocol

AS Autonomous System

ASBR Autonomous System Border Router

BFD Bidirectional Forwarding Detection

BGP Border Gateway Protocol

CDC Control and DC Power Card

CLI Command Line Interface

CPU Central Processing Unit

CSPF Constrained Shortest Path First

DCN Data Communications Network

DD Database Description

DiffServ Differentiated Services

DR Designated Router

eBGP External Border Gateway Protocol

ECMP Equal Cost Multipath

EGP Exterior Gateway Protocol

ELP Ethernet Layer Protection

ES-IS End System to Intermediate System

iBGP Internal Border Gateway Protocol

ICMP Internet Control Message Protocol

IFC Interface Module Concentrator

IFM Interface Module

IGP Interior Gateway Protocol

IIH IS-IS Hello

IP Internet Protocol

IRB Integrated Routing and Bridging

IS-IS Intermediate System to Intermediate System

LAG Link Aggregation

LAN Local Area Network

LDP Label Distribution Protocol

LSA Link-State Advertisement

76.8600-50121F Tellabs® 8600 Smart Routers© 2014 Tellabs. Routing Protocols Configuration Guide

5


LSP Label Switched Path

LSP Link State Packet

MAC Media Access Control

MDA Message Digest Authentication

MED Multi Exit Discriminator

MPLS Multiprotocol Label Switching

NBMA Non-Broadcast Multiaccess

NET Network Entity Title

NSAP Network Service Access Point

NSEL NSAP selector

NSSA Not-So-Stubby Area

ORF Outbound Route Filter

OSPF Open Shortest Path First

QoS Quality of Service

RFC Request For Comments (IETF documents)

RFD Route Flap Damping

RR Route Reflector

RSVP-TE Resource Reservation Protocol with Traffic Engineering Extensions

RT Route Target

SAFI Subsequent Address Family Identifier

SCM Switching and Control Module

SLA Service Level Agreement

SPF Shortest Path First

SOO Site of Origin

TCP Transmission Control Protocol

TE Traffic Engineering

TED Traffic Engineering Database

TLV Type Length Value

VLAN Virtual LAN

VPN Virtual Private Network

VRF Virtual Routing and Forwarding

VRRP Virtual Router Redundancy Protocol


6

Table of Contents

Table of Contents

About This Manual ............................................................................................................ 11

Objectives........................................................................................................................................................................11

Audience..........................................................................................................................................................................11

Tellabs 8600 Smart Routers Technical Documentation ..................................................................................................11

Interface Numbering Conventions ................................................................................................................................. 15

Documentation Feedback............................................................................................................................................... 15

Tellabs 8600 Rebranding .................................................................................................. 16

Tellabs 8600 Discontinued Products............................................................................... 17

1 OSPF............................................................................................................................. 19

1.1 Overview ............................................................................................................................................................. 19

1.2 OSPF Hierarchical Routing ................................................................................................................................ 20

1.2.1 Autonomous System............................................................................................................................ 20

1.2.2 Areas.................................................................................................................................................... 20

1.3 OSPF Hello Messages and Link-State Advertisements ...................................................................................... 21

1.4 Extensions for Support of Differentiated Services-Aware MPLS Traffic Engineering....................................... 21

1.5 OSPF Graceful Restart ........................................................................................................................................ 21

1.6 Fast OSPF Adjacency Establishment .................................................................................................................. 22

1.7 OSPF Unnumbered Links.................................................................................................................................... 23

1.8 OSPF References................................................................................................................................................. 23

2 OSPF Configuration Examples .................................................................................. 24

2.1 Basic Configuration ............................................................................................................................................. 24

2.2 Interface Configuration........................................................................................................................................ 25

2.3 Area Configuration .............................................................................................................................................. 25

2.4 Authentication ..................................................................................................................................................... 26

2.5 TE Configuration ................................................................................................................................................. 26

2.6 Graceful Restart Configuration............................................................................................................................ 26

2.7 Fast OSPF Convergence ...................................................................................................................................... 27

2.8 Fast OSPF Adjacency Establishment Configuration ........................................................................................... 28

2.8.1 Enabling Hello replies ......................................................................................................................... 28


7

Table of Contents

2.8.2 Designated Router (DR) Wait Time Configuration ............................................................................. 29

2.9 OSPF Unnumbered Links Configuration ............................................................................................................ 31

2.10 OSPF Status ........................................................................................................................................................ 32

3 Border Gateway Protocol .......................................................................................... 33

3.1 Overview ............................................................................................................................................................. 33

3.2 BGP Attributes .................................................................................................................................................... 36

3.2.1 ORIGIN Attribute................................................................................................................................ 37

3.2.2 AS PATH Attribute .............................................................................................................................. 37

3.2.3 NEXT HOP Attribute .......................................................................................................................... 38

3.2.4 LOCAL PREFERENCE Attribute ...................................................................................................... 39

3.2.5 ATOMIC AGGREGATE Attribute ..................................................................................................... 40

3.2.6 COMMUNITY Attribute..................................................................................................................... 40

3.2.7 AGGREGATOR Attribute................................................................................................................... 41

3.2.8 MED Attribute..................................................................................................................................... 42

3.3 Managing Route Preferences............................................................................................................................... 43

3.4 BGP Routing Policy ........................................................................................................................................... 44

3.4.1 Route Map ........................................................................................................................................... 45

3.5 Route Aggregation............................................................................................................................................... 47

3.5.1 Configuration Parameters .................................................................................................................... 49

3.5.2 BGP VPN Route Aggregation............................................................................................................. 49

3.5.3 Route Aggregation Support ................................................................................................................. 50

3.6 Route Flap Damping............................................................................................................................................ 50

3.6.1 RFD Configuration .............................................................................................................................. 52

3.7 Route Refresh ...................................................................................................................................................... 53

3.8 Increasing AS Scalability .................................................................................................................................... 53

3.8.1 Route Reflector .................................................................................................................................... 53

3.8.2 AS Confederation ................................................................................................................................ 55

3.9 BGP Failover ....................................................................................................................................................... 56

3.9.1 iBGP and Multihop eBGP Sessions .................................................................................................... 56

3.9.2 Single Hop eBGP................................................................................................................................. 57

3.9.3 Performance of BGP Failover ............................................................................................................. 58

3.10 BGP Multiprotocol Extension ............................................................................................................................. 58

3.11 BGP References................................................................................................................................................... 59

4 BGP Configuration Examples .................................................................................... 60

4.1 Basic Configurations............................................................................................................................................ 60

4.1.1 BGP Neighbor and Path ...................................................................................................................... 61

4.1.2 BGP Routing Policy Configuration ..................................................................................................... 64

4.1.3 BGP Authentication............................................................................................................................. 66

4.1.4 BGP Connection Reset ........................................................................................................................ 66

4.2 Route Aggregation Configuration ....................................................................................................................... 67

4.2.1 NODE-1 Configuration........................................................................................................................ 67

4.2.2 NODE-2 Configuration........................................................................................................................ 68

4.2.3 Configuration Status ............................................................................................................................ 68

4.2.4 Configuration with Suppression Disabled ........................................................................................... 69

4.3 Advanced Configurations ................................................................................................................................... 70

4.3.1 Route Reflector Configuration............................................................................................................. 70


8

Table of Contents

4.3.2 Configuring AS Confederation ........................................................................................................... 73

5 IS-IS .............................................................................................................................. 77

5.1 Overview ............................................................................................................................................................. 77

5.2 Routing Areas ...................................................................................................................................................... 78

5.3 Addressing ........................................................................................................................................................... 79

5.4 Multihoming ........................................................................................................................................................ 80

5.5 Multiarea Routing................................................................................................................................................ 80

5.6 Open Shortest Path Algorithm............................................................................................................................. 81

5.7 Adjacencies and Hello Packets............................................................................................................................ 81

5.8 Link-State Database and Link-State Packets ...................................................................................................... 81

5.9 Route Summarization .......................................................................................................................................... 81

5.10 Route Redistribution............................................................................................................................................ 82

5.11 Authentication ..................................................................................................................................................... 82

5.12 Extensions for Support of Differentiated Services-Aware MPLS Traffic Engineering....................................... 82

5.13 IS-IS References .................................................................................................................................................. 83

6 IS-IS Configuration Examples .................................................................................... 84

6.1 IS-IS Basic Configuration.................................................................................................................................... 84

6.1.1 IS-IS Process Configuration ................................................................................................................ 85

6.1.2 IS-IS Interface Configuration .............................................................................................................. 85

6.2 IS-IS Area Configuration.................................................................................................................................... 86

6.2.1 Router 1 Configuration ........................................................................................................................ 87



6.3 Fast IS-IS Convergence ....................................................................................................................................... 89

7 Bidirectional Forwarding Detection .......................................................................... 90

7.1 Overview ............................................................................................................................................................. 90

7.2 BFD in Dynamic Routing.................................................................................................................................... 91

7.3 BFD in Static Routing ......................................................................................................................................... 92

7.4 BFD References................................................................................................................................................... 92

8 BFD Configuration Examples..................................................................................... 93

8.1 BFD Configuration with Routing Protocols ....................................................................................................... 93

8.1.1 OSPF.................................................................................................................................................... 93

8.1.2 IS-IS..................................................................................................................................................... 93

8.1.3 RSVP-TE............................................................................................................................................. 94

8.1.4 Single Hop BGP .................................................................................................................................. 94

8.2 BFD Configuration for Static Routes .................................................................................................................. 97

8.2.1 BFD Status........................................................................................................................................... 98


9

Table of Contents

9 Equal Cost Multipath (ECMP)................................................................................... 100

9.1 Overview ........................................................................................................................................................... 100

9.2 ECMP Network Application ............................................................................................................................. 100

9.3 ECMP Operation ............................................................................................................................................... 101

9.3.1 Dynamic Routing .............................................................................................................................. 101

9.3.2 Static Routing .................................................................................................................................... 102

9.3.3 Forwarding Plane Functions.............................................................................................................. 102

9.3.4 Scalability .......................................................................................................................................... 102

10 Virtual Router Redundancy Protocol ...................................................................... 104

10.1 Introduction ....................................................................................................................................................... 104

10.2 Operation ........................................................................................................................................................... 104

10.2.1 VRRP Parameters .............................................................................................................................. 106

10.2.2 VRRP Timers..................................................................................................................................... 107

10.3 VRRP Supported Features................................................................................................................................. 109

10.3.1 Implementation.................................................................................................................................. 109

10.3.2 Object Tracking ................................................................................................................................. 109

10.3.3 VRRP with IRB..................................................................................................................................110

10.3.4 Accept Data ........................................................................................................................................111

10.4 VRRP Faults .......................................................................................................................................................112

10.5 VRRP References ...............................................................................................................................................112

11 VRRP CLI Configuration Examples ......................................................................... 113

11.1 VRRP Configuration...........................................................................................................................................113

11.1.1 Router–1 Configuration ......................................................................................................................114

11.1.2 Router–2 Configuration ......................................................................................................................115

11.2 VRRP with IRB Configuration...........................................................................................................................116

11.3 VRRP Status .......................................................................................................................................................118


10

Tellabs® 8600 Smart Routers Routing Protocols ... - baixardoc

Documents

Transcript of Tellabs® 8600 Smart Routers Routing Protocols ... - baixardoc