Cisco XR 12000 Bedienungsanleitung
Cisco IOS XR Multicast Configuration Guide for the Cisco XR12000
Series Router, Release 5.1.x
First Published: September 03, 2013
Last Modified: September 03, 2013
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Text Part Number: OL-30405-02
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CONTENTS
Preface
Preface ix
Changes to This Document ix
Obtaining Documentation and Submitting a Service Request ix
CHAPTER 1
New and Changed Information 1
New and Changed Information Table 1
CHAPTER 2
Implementing Multicast Routing on Cisco IOS XR Software 3
Prerequisites for Implementing Multicast Routing 4
Information About Implementing Multicast Routing 5
Key Protocols and Features Supported in the Cisco IOS XR Software Multicast Routing
Implementation 5
Multicast Routing Functional Overview 6
Multicast Routing Implementation 6
PIM-SM, PIM-SSM, and PIM-BIDIR 7
PIM-SM Operations 7
PIM-SSM Operations 8
Restrictions for PIM-SM, PIM-SSM, and PIM-BIDIR 8
Internet Group Management Protocol and Multicast Listener Discovery 8
IGMP and MLD Versions 9
IGMP Routing Example 9
Protocol Independent Multicast 10
PIM-Sparse Mode 11
PIM-Source Specific Multicast 11
PIM Shared Tree and Source Tree (Shortest Path Tree) 12
Multicast-Intact 13
Designated Routers 14
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Rendezvous Points 15
Auto-RP 16
PIM Bootstrap Router 17
Reverse-Path Forwarding 17
Multicast VPN 17
Multicast VPN Routing and Forwarding 18
Multicast Distribution Tree Tunnels 18
InterAS Support on Multicast VPN 19
BGP Requirements 20
Multitopology Routing 20
Multicast VPN Extranet Routing 21
Information About Extranets 21
Information About the Extranet MVPN Routing Topology 22
RPF Policies in an Extranet 24
Multicast VPN Hub and Spoke Topology 24
Realizing the Hub and Spoke Topology 25
Label Switched Multicast (LSM) Multicast Label Distribution Protocol (mLDP) based
Multicast VPN (mVPN) Support 26
Benefits of LSM MLDP based MVPN 26
Configuring MLDP MVPN 26
Limitations for MLDP in Cisco XR 12000 Series Routers 27
P2MP and MP2MP Label Switched Paths 27
Packet Flow in mLDP-based Multicast VPN 28
Realizing a mLDP-based Multicast VPN 28
Characteristics of mLDP Profiles 28
Configuration rules for profiles 34
Summary of Supported MVPN Profiles 35
Configuration Process for MLDP MVPN (Intranet) 36
Next-Generation Multicast VPN 38
Multicast Source Discovery Protocol 39
VRF-aware MSDP 40
Multicast Nonstop Forwarding 40
Multicast Configuration Submodes 41
Multicast-Routing Configuration Submode 41
PIM Configuration Submode 41
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Contents
IGMP Configuration Submode 41
MLD Configuration Submode 41
MSDP Configuration Submode 42
Understanding Interface Configuration Inheritance 42
Understanding Interface Configuration Inheritance Disablement 42
Understanding Enabling and Disabling Interfaces 43
Multicast Routing Information Base 43
Multicast Forwarding Information Base 44
MSDP MD5 Password Authentication 44
How to Implement Multicast Routing 44
Configuring PIM-SM and PIM-SSM 45
Configuring a Static RP and Allowing Backward Compatibility 47
Configuring Auto-RP to Automate Group-to-RP Mappings 48
Configuring the Bootstrap Router 50
Calculating Rates per Route 54
Configuring Multicast Nonstop Forwarding 56
Configuring Multicast VPN 59
Prerequisites for Multicast VPN 59
Restrictions for Multicast VPN for Multicast Routing 60
Enabling a VPN for Multicast Routing 60
Specifying the PIM VRF Instance 63
Specifying the IGMP VRF Instance 64
Configuring the MDT Source per VRF 65
Configuring Label Switched Multicast 67
Verification of LSM mLDP based MVPN Configuration 72
Configuring Multitopology Routing 74
Restrictions for Configuring Multitopology Routing 75
Information About Multitopology Routing 75
Configuring an RPF Topology in PIM 76
Configuring MVPN Extranet Routing 77
Prerequisites for MVPN Extranet Routing 78
Restrictions for MVPN Extranet Routing 78
Configuring VPN Route Targets 78
Interconnecting PIM-SM Domains with MSDP 80
Controlling Source Information on MSDP Peer Routers 83
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Contents
Configuring MSDP MD5 Password Authentication 86
Configuring VRF for MSDP 87
Multicast only fast reroute (MoFRR) 88
Operating Modes of MoFRR 89
Configuring MoFRR 89
RIB-based MoFRR 89
Configuring Route Policy for Static RPF 90
Point-to-Multipoint Traffic Engineering Label-Switched Multicast 91
Point to Multipoint LSP(P2MP) 92
Multicast Routing Protocol support for P2MP 92
Enabling Multicast Forwarding Over Tunnel Interface (at Ingress Node) 92
P2MP configurations at egress node and bud node 94
Configuring Static Reverse Path Forwarding (RPF) 94
Configuring Core Tree Protocol 95
Configuration Examples for Implementing Multicast Routing on Software 96
MSDP Anycast RP Configuration on Cisco IOS XR Software: Example 96
Calculating Rates per Route: Example 97
Preventing Auto-RP Messages from Being Forwarded on Software: Example 98
Inheritance in MSDP on Software: Example 99
MSDP-VRF: Example 100
Configuring Route Policy for Static RPF: Example 100
Configuring IPv4 Multicast VPN: Example 100
Configuring MVPN to Advertise Routes Between the CE and the PE Using OSPF:
Example 101
Configuring MVPN to Advertise Routes Between the CE and the PE Using BGP:
Example 105
Configuring IPv6 Multicast VPN on the : Example 109
Configuring an IPv6 Multicast VPN to Advertise Routes Between the PE to CE with
EIGRP as the Protocol: Example 110
Configuring an IPv6 Multicast VPN to Advertise Routes Between the PE to CE with
BGP as the Protocol: Example 114
Configuration Examples for MVPN Profiles 119
Configuration Examples for Inband mLDP profiles 119
Configuration Examples for P2MP-TE profiles 120
Configuration examples for Partitioned mLDP profiles 122
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Contents
Configuration Examples for Rosen-mGRE profiles 124
Configuration Examples for Rosen mLDP profiles 126
Configuring Multitopology Routing: Example 129
Configuring MVPN Extranet Routing: Example 130
Configuring the Source MVRF on the Receiver PE Router: Example 130
Configuring the Receiver MVRF on the Source PE Router: Example 132
Configuring Multicast Hub and Spoke Topology: Example 135
Hub and Spoke Non-Turnaround Configuration: Example 135
Hub and Spoke with Turnaround: Example 144
Configuring LSM based MLDP: Examples 150
Additional References 160
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Contents
Cisco IOS XR Multicast Configuration Guide for the Cisco XR12000 Series Router, Release 5.1.x
viii OL-30405-02
Contents
Preface
The preface contains these sections:
•Changes to This Document, page ix
•Obtaining Documentation and Submitting a Service Request, page ix
Changes to This Document
This table lists the technical changes made to this document since it was first printed.
SummaryDateRevision
Initial release of this document.September 2013OL-30405-01
Republished with documentation updates for
Release 5.1.1
January 2014OL-30405-02
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service
request, and gathering additional information, see What's New in Cisco Product Documentation, at: http://
www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html.
Subscribe to What's New in Cisco Product Documentation, which lists all new and revised Cisco technical
documentation, as an RSS feed and deliver content directly to your desktop using a reader application. The
RSS feeds are a free service.
Cisco IOS XR Multicast Configuration Guide for the Cisco XR12000 Series Router, Release 5.1.x
OL-30405-02 ix
Cisco IOS XR Multicast Configuration Guide for the Cisco XR12000 Series Router, Release 5.1.x
xOL-30405-02
Preface
Obtaining Documentation and Submitting a Service Request
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