Chapter 41 IPv4 Multicast

Configuring IPv4 Multicast

DETAILED STEPS

 

Command

Purpose

 

 

 

Step 1

enable

Enables privileged EXEC mode.

 

 

 

Enter your password if prompted.

 

Example:

 

 

Router> enable

 

 

 

 

Step 2

configure terminal

Enters global configuration mode.

 

Example:

 

 

Router# configure terminal

 

 

 

 

Step 3

no ip igmp ssm-map query dns

Disables DNS-based SSM mapping.

 

Example:

 

 

Router(config)# no ip igmp ssm-map

 

 

query dns

 

 

 

 

Step 4

ip igmp ssm-map enable

Enables SSM mapping for groups in the configured SSM range.

 

Example:

 

 

Router(config)# ip igmp ssm-map enable

 

 

 

 

Step 5

ip igmp ssm-map static access-list

Configures static SSM mapping.

 

source-address

 

 

Example:

 

 

Router(config)# ip igmp ssm-map static

 

 

11

172.16.8.11

 

 

 

 

 

Verifying IPv4 Multicast Routing

Use the show commands listed below to verify the IPv4 multicast routing.

Router# show asr901 multicast-support

Platform support for IPv4(v6) Multicast: ENABLED

Verifying PIM SSM

Use the show commands listed below to verify the PIM SSM configuration.

To display the multicast groups with receivers that are directly connected to the router and that were learned through IGMP, use the show ip igmp groups command described in the following example.

Router# show ip igmp groups

 

IGMP Connected Group Membership

 

 

 

 

 

 

 

 

Group Address

Interface

Uptime

Expires

Last Reporter

Group

 

Accounted

 

 

 

 

 

 

 

 

232.1.1.1

Vlan70

04:10:01

stopped

70.1.1.10

 

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL-23826-09

 

 

 

 

 

 

41-9

 

 

 

 

 

 

 

 

 

Page 829
Image 829
Cisco Systems A9014CFD manual Verifying IPv4 Multicast Routing, Verifying PIM SSM, 41-9