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EdgeRouter - IGMP Proxy

Overview

Readers will learn how to configure the IGMP Proxy feature on the EdgeRouter.

NOTES & REQUIREMENTS:
  • Applicable to the latest EdgeOS firmware on all EdgeRouter models.

IGMP Proxy Setup

CLI: Access the Command Line Interface.

1. Enter configuration mode.

configure

2. Define the upstream and downstream interface roles.

set protocols igmp-proxy interface eth0 role upstream
set protocols igmp-proxy interface eth1 role downstream
NOTE: Only a single upstream interface is supported.

3. Configure the threshold and alt-subnet values for both interfaces.

set protocols igmp-proxy interface eth0 threshold 1
set protocols igmp-proxy interface eth0 alt-subnet 0.0.0.0/0

set protocols igmp-proxy interface eth1 threshold 1
set protocols igmp-proxy interface eth1 alt-subnet 0.0.0.0/0
NOTE: These values can be customized to be more restrictive. See the igmpproxy.conf manual for more information.

4. Commit the changes and save the configuration.

commit ; save 

You can verify the forwarding of multicast traffic using the following commands:

show ip multicast mfc
Group           Origin           In     Out           Pkts         Bytes  Wrong
224.1.1.1       203.0.113.2      eth0   eth1        120875      154.93MB      0

show ip multicast interfaces
Intf        BytesIn        PktsIn      BytesOut       PktsOut            Local
eth0       173.47MB        135343         0.00b             0       203.0.113.1
eth1          0.00b             0      173.47MB        135343       192.168.1.1

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