Configuring PIM-DM 641
■ draft-ietf-pim-v2-dm-03: Protocol Independent Multicast Version 2 Dense
Mode Specification
■ draft-ietf-pim-sm-bsr-03: Bootstrap Router (BSR) Mechanism for PIM Sparse
Mode
■ draft-ietf-ssm-arch-02: Source-Specific Multicast for IP
■ draft-ietf-ssm-overview-04: An Overview of Source-Specific Multicast (SSM)
Configuring PIM-DM
PIM-DM Configuration
Tas k Lis t
Complete these tasks to configure PIM-DM:
Configuration
Prerequisites
Before configuring PIM-DM, complete the following task:
■ Configure any unicast routing protocol so that all devices in the domain are
interoperable at the network layer.
Before configuring PIM-DM, prepare the following data:
■ The interval between state refresh messages
■ Minimum time to wait before receiving a new refresh message
■ TTL value of state refresh messages
■ Graft retry period
Enabling PIM-DM With PIM-DM enabled, a router sends hello messages periodically to discover PIM
neighbors and processes messages from PIM neighbors. When deploying a
PIM-DM domain, you are recommended to enable PIM-DM on all interfaces of
non-border routers (border routers are PIM-enabled routers located on the
boundary of BSR admin-scope regions).
Follow these steps to enable PIM-DM:
Task Remarks
“Enabling PIM-DM” on page 641 Required
“Enabling State Refresh” on page 642 Optional
“Configuring State Refresh Parameters” on page 642 Optional
“Configuring PIM-DM Graft Retry Period” on page 643 Optional
“Configuring PIM Common Information” on page 653 Optional
To do… Use the command… Remarks
Enter system view system-view -
Enable IP multicast routing multicast routing-enable Required
Disable by default
Enter interface view interface interface-type
interface-number
-
Enable PIM-DM pim dm Required
Disabled by default
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