GE2/0/1
VLANIF20
192.168.1.1/24 GE2/0/0
VLANIF80
192.168.5.1/24
GE2/0/2
VLANIF30
192.168.2.1/24 Switch D GE1/0/0
VLANIF90
192.168.3.2/24
GE2/0/3
VLANIF40
192.168.3.1/24 GE2/0/0
VLANIF100
192.168.6.1/24
LoopBack0 1.1.1.1/32 Switch E GE1/0/1
VLANIF110
192.168.4.2/24
SwitchB GE1/0/0
VLANIF50
192.168.1.2/24 GE1/0/2
VLANIF120
192.168.5.2/24
GE2/0/0
VLANIF60
192.168.4.1/24 GE1/0/3
VLANIF130
192.168.6.2/24
GE2/0/0
VLANIF140
10.110.2.2/24
Configuration Roadmap
The configuration roadmap is as follows:
l Assign IP addresses to interfaces on switches.
l Configure IS-IS to implement interworking among all the switches and ensure that route
costs are the same.
l Enable multicast on all the switches, enable PIM-SM on all the interfaces, and set the
loopback interface on Switch A as an RP.
l Configure stable-preferred multicast load splitting on Switch E to ensure the stability of
multicast services.
l HostA needs to receive data from some multicast groups for a long period. Add the host-
side interfaces of Switch E to multicast groups in batches.
l HostA needs to receive data from a new multicast group. According to networking
requirements, set different multicast load splitting weights for upstream interfaces on
Switch E to ensure that multicast traffic is distributed unevenly.
Data Preparation
To complete the configuration, you need the following data:
l IP address of the multicast source
l IP addresses of interfaces on the switches
l Addresses of the multicast groups to which the host-side interfaces of Switch E are added
in batches
l Multicast load splitting weights of upstream interfaces on Switch E
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 9 IPv4 Multicast Routing Management
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
349
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