Enabling Ip Multicast; Defining Static Routes For Reverse-Path Forwarding; Displaying Available Routes For Reverse-Path Forwarding - Juniper JUNOSE 11.0.X MULTICAST ROUTING Configuration Manual

Enabling IP Multicast

In this implementation, IP multicast works on virtual routers (VRs). By default, IP
multicast is disabled on a VR. To enable IP multicast on a VR, access the context for
a VR, and then issue the ip multicast-routing command.
ip multicast-routing

Defining Static Routes for Reverse-Path Forwarding

Use the ip rpf-route command to define reverse-path forwarding (RPF) to verify that
a router receives a multicast packet on the correct incoming interface.
ip rpf-route

Displaying Available Routes for Reverse-Path Forwarding

Use the show ip rpf-route command to display all available routes, only the routes
to a particular destination, or routes associated with a specific unicast protocol that
the router can use for Reverse-Path Forwarding (RPF).
Use to enable IP multicast routing on the VR.
By default, IP multicast is disabled on the VR. In the disabled state, all multicast
protocols are disabled, and the VR forwards no multicast packets.
Example
host1(config)#ip multicast-routing
Use the no version to disable IP multicast routing on the VR (the default).
See ip multicast-routing.
Use to customize static routes that the router may use for RPF.
Specify the IP address and subnet mask of the destination network.
Specify either a next-hop IP address or an interface type and specifier, such as
atm 3/0. For details about interface types and specifiers, see Interface Types and
Specifiers in JUNOSe Command Reference Guide.
Optionally, specify the distance (number of hops) to the next-hop address.
Optionally, specify a route's tag number to identify a particular route in the
routing table.
Example
host1(config)#ip rpf-route 11.1.0.0 255.255.0.0 atm4/1.1 56 tag 25093
Use the no version to remove the static route.
See ip rpf-route.
Chapter 1: Configuring IPv4 Multicast

Enabling IP Multicast

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