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Configuring PIM-DM

PIM-DM configuration task list

Complete these tasks to configure PIM-DM:

Task Remarks

Enabling PIM-DM Required

Enabling state-refresh capability Optional

Configuring state-refresh parameters Optional

Configuring PIM-DM graft retry period Optional

Configuring PIM common features Optional

Configuration prerequisites

Before you configure PIM-DM, complete the following tasks:

• Configure any unicast routing protocol so that all devices in the domain are interoperable at the

network layer

• Determine the interval between state-refresh messages

• Determine the minimum time to wait before receiving a new refresh message

• Determine the TTL value of state-refresh messages

• Determine the graft retry period

Enabling PIM-DM

With PIM-DM enabled, a router sends hello messages periodically to discover PIM neighbors and

processes messages from the PIM neighbors. When deploying a PIM-DM domain, enable PIM-DM on all

non-border interfaces of the routers.

Enabling PIM-DM globally for the public network

Follow these steps to enable PIM-DM globally for the public network:

To do... Use the command... Remarks

Enter system view

system-view —

Enable IP multicast routing

multicast routing-enable

Required

Disabled by default.

Enter interface view

interface interface-type interface-

number

—

Enable PIM-DM pim dm

Required

Disabled by default.

Enabling PIM-DM in a VPN instance

Follow these steps to enable PIM-DM in a VPN instance:

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HP A5500 SI Switch Series Specifications

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