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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 ge-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 53.
  3. Go on to Configuring a PIM RPF Routing Table (Optional).

Table 53: Configuring PIM Sparse Mode and the RP

Task

J-Web Configuration Editor

CLI Configuration Editor

Navigate to the Interface level in the configuration hierarchy.
  1. In the J-Web interface, select Configuration>View and Edit>Edit Configuration.
  2. Next to Protocols, click Configure or Edit.
  3. Next to Pim, click Configure or Edit.
  4. Next to Interface, click Add new entry.

From the [edit] hierarchy level, enter

edit protocols pim

Enable PIM on all network interfaces.

(See the interface naming conventions in the J-series Services Router Basic LAN and WAN Access Configuration Guide.)

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] hierarchy level.

Disable PIM on the network management interface.

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

Disable the ge-0/0/0 interface:

set pim interface ge-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.
  1. On the main Configuration page next to Protocols, click Configure or Edit.
  2. Next to Pim, click Configure or Edit.
  3. Next to Rp, click Configure or Edit.

From the [edit] hierarchy level, 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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