The interface can be a VLANIF interface, or an Loopback interface.
Step 3 Run:
pim silent
PIM silent is enabled.
After PIM silent is enabled, the Hello message attack of malicious hosts is effectively prevented,
and the switch is protected.
----End
5.10.3 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 [ vpn-instance vpn-instance-name | all-instance ] interface
[ interface-type interface-number | up | down ] [ verbose ] command to check PIM on an
interface.
----End
Example
Run the display pim interface verbose command, and you can find that the configuration is
complete.
<Quidway> display pim interface Vlanif 10 verbose
VPN-Instance: public net
Interface: Vlanif10,
PIM version: 2
PIM mode: Dense
PIM state: down
PIM DR: -
PIM DR Priority (configured): 1
PIM neighbor count: -
PIM hello interval: 30 s
PIM LAN delay (negotiated): -
PIM LAN delay (configured): 500 ms
PIM hello override interval (negotiated): -
PIM hello override interval (configured): 2500 ms
PIM Silent: enabled
PIM neighbor tracking (negotiated): -
PIM neighbor tracking (configured): disabled
PIM generation ID: -
PIM require-GenID: disabled
PIM hello hold interval: 105 s
PIM assert hold interval: 180 s
PIM triggered hello delay: 5 s
PIM J/P interval: 60 s
PIM J/P hold interval: 210 s
PIM state-refresh processing: enabled
PIM state-refresh interval: 60 s
PIM graft retry interval: 3 s
PIM state-refresh capability on link: capable
PIM BFD: disabled
PIM dr-switch-delay timer : not configured
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.
134
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