CONTENTS
Preface xxi
PREFACE
Changes to This Document xxi
Obtaining Documentation and Submitting a Service Request xxi
New and Changed Routing Features 1
CHAPTER 1
New and Changed Routing Features 1
Implementing BGP 3
CHAPTER 2
Prerequisites for Implementing BGP 3
Information About Implementing BGP 4
BGP Functional Overview 4
BGP Router Identifier 4
BGP Default Limits 5
BGP Next Hop Tracking 5
Next Hop as the IPv6 Address of Peering Interface 6
Scoped IPv4 Table Walk 7
Reordered Address Family Processing 7
New Thread for Next-Hop Processing 7
show, clear, and debug Commands 7
Autonomous System Number Formats in BGP 7
2-byte Autonomous System Number Format 8
4-byte Autonomous System Number Format 8
as-format Command 8
BGP Configuration 8
Configuration Modes 8
Neighbor Submode 9
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
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