Procedure
l Run the display igmp group [ group-address | interface interface-type interface-
number ] [ static | verbose ] command to check the information about the IGMP multicast
group.
l Run the display igmp group ssm-mapping [ group-address | interface interface-type
interface-number ] [ verbose ] command to check the information about the multicast group
that is already configured with SSM mapping.
l Run the display igmp interface [ interface-type interface-number ] [ verbose ] command
to check the configuration and running status of IGMP on the interface.
l Run the display igmp routing-table [ group-address [ mask { group-mask | group-mask-
length } ] | source-address [ mask { source-mask | source-mask-length } ] ]
*
[ static ]
command to check the information about the IGMP routing table.
l Run the display igmp ssm-mapping { group [ group-address ] | interface [ interface-type
interface-number ] } command to check the information about SSM mapping of a specific
source or group.
----End
2.7.3 Debugging IGMP
Context
CAUTION
Debugging affects the performance of the system. So, after debugging, run the undo debugging
all command to disable it immediately.
Procedure
l Run the debugging igmp { all | event | leave [ basic-acl-number ] | report [ advanced-
acl-number ] | query [ basic-acl-number ] | timer } command to enable the debugging of
IGMP.
l Run the debugging igmp ssm-mapping [ advanced-acl-number ] command to enable the
debugging of SSM mapping.
----End
2.8 Configuration Examples
This section provides several configuration examples of IGMP.
2.8.1 Example for Configuring Basic IGMP Functions
2.8.2 Example for Configuring SSM Mapping
2.8.1 Example for Configuring Basic IGMP Functions
2 IGMP Configuration
Quidway S9300 Terabit Routing Switch
Configuration Guide - Multicast
2-20 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 01 (2009-07-28)
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