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Configuring the PIM Static RP (Optional)

Protocol Independent Multicast (PIM) sparse mode is the most common multicast protocol used on the Internet. PIM sparse mode is the default mode whenever PIM is configured on any interface of the Services Router. However, because PIM must not be configured on the network management interface of the Services Router, you must disable it on that interface.

Each any-source multicast (ASM) group has a shared tree through which receivers learn about new multicast sources and new receivers learn about all multicast sources. The rendezvous point (RP) router is the root of this shared tree and receives the multicast traffic from the source. To receive multicast traffic from the groups served by the RP, the Services Router must determine the IP address of the RP for the source.

One common way for the Services Router to locate RPs is by static configuration of the IP address of the RP. For information about alternate methods of locating RPs, see the JUNOS Multicast Protocols Configuration Guide.

To configure PIM sparse mode, disable PIM on fe-0/0/0, and configure the IP address of the RP perform these steps on each Services Router in the network:

  1. Navigate to the top of the configuration hierarchy in either the J-Web or CLI configuration editor.
  2. Perform the configuration tasks described in Table 44.
  3. Go on to Configuring a PIM RPF Routing Table (Optional).

Table 44: Configuring PIM Sparse Mode and the RP

Navigate to the Interface level in the configuration hierarchy.
  1. In the configuration editor hierarchy, select Protocols>Pim.
  2. Click Add new entry next to Interface.

From the top of the configuration hierarchy, enter

edit protocols pim

Enable PIM on all network interfaces.

In the Interface name box, type all.

Set the interface value to all. For example:

set pim interface all

Apply your configuration changes.

Click OK to apply your entries to the configuration.

Changes in the CLI are applied automatically when you execute the set command.

Remain at the Interface level in the configuration hierarchy.

Click Add new entry next to Interface.

Remain at the

edit protocols pim interface

configuration hierarchy level.

Disable PIM on the network management interface.

  1. In the Interface name box, type fe-0/0/0.
  2. Select the check box next to Disable.

Disable the fe-0/0/0 interface:

set pim interface fe—0/0/0 unit 0 disable

Apply your configuration changes.

Click OK to apply your entries to the configuration.

Changes in the CLI are applied automatically when you execute the set command.

Navigate to the Rp level in the configuration hierarchy.

In the configuration editor hierarchy, select Protocols>Pim>Rp.

From the top of the configuration hierarchy, enter

edit protocols pim rp

Configure the IP address of the RP—for example, 192.168.14.27.
  1. Click Configure next to Static.
  2. Click Add new entry next to Address.
  3. In the Addr box, type 192.168.14.27.
  4. Click OK.

Set the address value to the IP address of the RP:

set static address 192.168.14.27

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