13.6.1 Establishing the Configuration Task
After basic functions of IPv6 PIM-SM are configured, you can adjust related parameters of Hello
messages for controlling neighbor relationships and configure the downstream neighbor tracking
function and the neighbor filtering function.
Applicable Environment
The configuration in this section is applicable to both the ASM model and the SSM model.
The PIM switchs send Hello messages to each other to establish the neighbor relationship,
negotiate the control parameters, and elect a DR.
The switch can work normally by default. The S7700 allows the users to adjust the parameters
as required.
NOTE
It is recommended to adopt the default value if there is no special requirement.
Pre-configuration Tasks
Before adjusting control parameters for maintaining neighbors, complete the following tasks:
l Configuring a unicast routing protocol
l Configuring Basic PIM-SM (IPv6) Functions
Data Preparation
To adjust control parameters for maintaining neighbors, you need the following data.
No.
Data
1 Priority for DR election
2 Timeout period for waiting to receive Hello message from neighbors
3 Interval for sending Hello messages
4 Maximum delay for triggering Hello messages
5 DR switching delay, that is, the remaining time for the entries to turn invalid after a
DR interface no longer functions as a DR.
6 Number or name of the ACL used to filter PIM neighbors
13.6.2 Configuring Control Parameters for Maintaining PIM
Neighbors
The interval for sending Hello messages can be set either globally or on an interface. The
configuration in the interface view is prior to the configuration in the PIM view. When the
interval is not configured in the interface view, the configuration in the PIM view takes effect.
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 13 PIM-SM (IPv6) Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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