Table of Contents

About the Documentation
E Series and JunosE Documentation and Release Notes
E Series and JunosE Text and Syntax Conventions
Obtaining Documentation
Documentation Feedback
Requesting Technical Support
Understanding IPv4 Multicast Features
IPv4 Multicast Overview
Reverse-Path Forwarding
Multicast Packet Forwarding
IPv4 Multicast Platform Considerations
IPv4 Multicast References
How Switch Fabric Bandwidth Weighting Ratio Works
Switch Fabric Bandwidth Configuration
Understanding the Autosense Mechanism
Autosense Mechanism Overview
Adaptive Mode Mechanism Overview for IPv4
Understanding the IPv4 Multicast QoS Adjustment
Multicast OIF Mapping Case
Multicast Traffic Receipt Without Forwarding
How Hardware Multicast Packet Replication Works
Hardware Multicast Packet Replication Overview
Supported Modules and Encapsulations
Relationship with OIF Mapping
Hardware Multicast Packet Replication Considerations
Understanding Interface-Level and Port-Level Multicast Admission Control
OIF Interface Reevaluation
Dynamic Port Admission Bandwidth Control
OIF Port Reevaluation
Router Acting as a Multicast Router Information Server
Multicast Router Information Support
Understanding BGP Multicasting
BGP Multicasting
Investigating Multicast Routes
Prerequisite for Configuring IPv4 Multicast
Before You Begin Configuring IPv4 Multicast
Enabling the IPv4 Multicasting Support
Enabling IP Multicast
Configuration Tasks for RPF
Defining Static Routes for Reverse-Path Forwarding
Enabling and Disabling RPF Checks
Specifying Unicast Routes for RPF
Configuration Tasks for IPv4 Multicast Forwarding Entries
Defining Permanent IP Multicast Forwarding Entries
Deleting Multicast Forwarding Entries
Configuration Task for Multicast Bandwidth Map
Defining a Multicast Bandwidth Map
Configuration Task for IPv4 Multicast QoS Adjustment
Activating Multicast QoS Adjustment Functions
Configuration Tasks for Hardware Multicast Packet Replication
Configuring Hardware Multicast Packet Replication Without OIF-Mapping
Configuring Hardware Multicast Packet Replication With OIF-Mapping
Configuration Tasks for Interface-Level Multicast Admission Control
Blocking Mroutes
Enabling Interface Admission Bandwidth Limitation
Configuration Tasks for Port-Level Multicast Admission Control
Creating Mroute Port Limits
Enabling Port-Level Admission Bandwidth Control
Example: Configuring a Multicast Bandwidth Map
Configuration Commands
clear ip mroute
encapsulation vlan
fabric weights
interface gigabitEthernet
ip address
ip block-multicast-sources
ip igmp version
ip multicast admission-bandwidth-limit
ip multicast ioa-packet-replication
ip multicast-routing
ip multicast-routing bandwidth-map
ip multicast-routing disable-rpf-check
ip multicast-routing permanent-mroute
ip route-type
ip rpf-route
ip unnumbered
match ip address
mroute port admission-bandwidth-limit
mroute port limit
set admission-bandwidth
set priority
set qos-bandwidth
vlan id
Monitoring the Routes Used for RPF
Displaying Available Routes for Reverse-Path Forwarding
Verifying the Multicast Forwarding Entries in IP Multicast Routing Table
Monitoring Multicast Forwarding Entries
Monitoring Active Multicast Routes
Monitoring Multicast Entries in a Source or Group
Monitoring Multicast Routes When OIF Mapping Is Configured
Monitoring Multicast Statistics
Monitoring Summary Information of Multicast Routes
Displaying the Multicast Protocols Enabled on the Router
Monitoring Multicast Protocols Enabled on the Router
Monitoring Summary Information of Multicast Protocols Enabled on the Router
Verifying the Status of IP Multicast Routing
Monitoring the IP Multicast Status on a Virtual Router
Verifying the Multicast Routes
Monitoring Multicast Routes on Virtual Router Ports
Monitoring Commands
show ip mroute
show ip multicast protocols
show ip multicast routing
show ip rpf-route
show mroute port count