Pre-configuration Tasks
Before adjusting control parameters for prune, complete the following tasks:
l Configuring a unicast routing protocol
l Configuring Basic PIM-DM Functions
Data Preparation
To adjust control parameters for prune, you need the following data.
No. Data
1 Timeout period of the Prune state
2 Delay for transmitting Prune messages
3 Period for overriding the prune action
5.6.2 Configuring the Period for an Interface to Keep the Prune State
The period for an interface to keep the prune state can be set either globally or on an interface.
After the period expires, the pruned interface starts to forward messages again. If the multicast
device receives a State-Refresh message before the period expires, it resets the timer, that is, it
refreshes the prune state.
Context
Do as follows on the PIM-DM switch:
Procedure
l Global Configuration
1. Run:
system-view
The system view is displayed.
2. Run:
pim [ vpn-instance vpn-instance-name ]
The PIM view is displayed.
3. Run:
holdtime join-prune interval
The period during which the downstream interface is in the Prune state is set.
After the period expires, the pruned interface starts to forward packets again. Before
the period expires, the switch refreshes the Prune state when receiving a State-Refresh
message.
l Configuration on an Interface
1. Run:
system-view
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 5 PIM-DM (IPv4) Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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