12.10.2 Configuring PIM-IPv6 Silent
After the interface is configured with PIM silent, it is forbidden to receive or forward any PIM
protocol packet. All PIM neighbors and PIM state machines on this interface are deleted. Then,
this interface automatically becomes the DR. IGMP on the interface is not affected.
Context
CAUTION
PIM silent is applicable only to the switch interface directly connected to the host network
segment that can be connected to only one PIM switch.
Do as follows on the switch interface connected to the host network segment:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The interface view is displayed.
Step 3 Run:
pim ipv6 silent
PIM-IPv6 silent is enabled.
After this function is enabled, the attacks from malicious hosts by sending Hello messages are
effectively prevented and the switch is protected.
----End
12.10.3 Checking the Configuration
After PIM silent is configured, you can run the command to check information about the PIM
interface.
Prerequisite
All the configurations of PIM silent are complete.
Procedure
l Run the display pim ipv6 interface [ interface-type interface-number | up | down ]
[ verbose ] command to check information about PIM-IPv6 interfaces.
----End
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 12 PIM-DM (IPv6) Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
442
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