H3C Technologies H3C SecPath F1000-E - Manual (Page 110)

14
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 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 the PIM neighbors. When deploying a PIM-DM domain, you are
recommended to enable PIM-DM on all non-border interfaces of the routers.
Follow these steps to enable PIM-DM globally on the public network:
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
CAUTION:
PIM-DM does not work with multicast groups in the SSM group range.