l IPTV service is a closed service self-operated by carriers, and one-tagged S-VLAN is
recommended.
l The same S-VLAN or different S-VLANs can be used as the MVLAN and VoD VLAN.
It is recommended that you use different S-VLANs as MVLAN and VoD VLAN so that
the upper-layer device can easily differentiate the BTV service and VoD service.
l S-VLANs of VoD service can identify services and physical locations based on an entire
network or an OLT. It is recommended that you set different VoD VLANs for the OLTs
connected to one IPTV SR to avoid an excessively large broadcast domain of the SR and
convergence switch.
Data plan for multicast service
Data Item
Remarks
Multicast protocol The OLT and ONU generally use IGMP proxy. The ONT or HGW
generally uses IGMP snooping.
IGMP version The compatibility policies of the IGMP version on access
equipment distinguish between the network side and the user side.
1. In normal application scenarios, the device is usually the
active initiating party. The IGMP version on the multicast
router can be seamlessly degraded without packet loss.
2. The terminals are always the active initiating party and can be
seamlessly degraded without packet loss.
The recommended versions are as follows:
l If the network-side version is V2, the recommended version
for the access equipment is V2.
l If the network-side version is V3, the recommended version
for the access equipment is V2 or V3.
l If the user-side version is V2, the recommended version for
the access equipment is V2 or V3.
l If the user-side version is V3, the recommended version for
the access equipment is V3.
Multicast program
Static configuration is recommended. The OLT can also generate
a multicast program library. In other words, the OLT dynamically
generates a program list according to the programs requested by
users. In this mode, the program list does not need to be configured
or maintained; however, the functions such as program
management, user multicast bandwidth management, program
preview, and program prejoin are not supported.
Multicast preview profile Default
Multicast fast leave Enabling this function is recommended. It reduced the exchange
of IGMP packets, saving the bandwidth resources.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide
11 FTTB and FTTC Solution Configuration
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
853
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