Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The interface view is displayed.
The S7700 uses this interface to communicate with hosts. On the S7700, VLANIF interfaces
and loopback interfaces support IGMP.
Step 3 Run:
igmp prompt-leave [ group-policy basic-acl-number ]
The S7700 leaves the group immediately without sending the Last Member Query message.
By default, the S7700 sends the Last Member Query message after receiving a Leave message
from a host.
----End
4.4.6 Checking the Configuration
Prerequisite
The configuration of basic IGMP functions and parameters is complete.
Procedure
l Run the display igmp group [ group-address | interface interface-type interface-
number ]
*
[ static | verbose ] command to check the information about members of an
IGMP multicast group.
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.
Run the preceding command, and you can obtain the following result:
– The membership information of the IGMP multicast group is correct.
– The configuration and running status of IGMP on an S7700 interface are correct.
– A matched multicast forwarding interface exists in the downstream list of the (*, G) or
(S, G) entry.
----End
Example
Run the display igmp group interface vlanif 3 static command, and you can view the IGMP
configuration on VLANIF 3.
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 4 IGMP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
82
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