No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of IPv4 User-Side Multicast

Overview of IPv4 User-Side Multicast

This section describes the definition and purpose of user-side multicast.


User-side multicast enables a BRAS to identify users of a multicast program.

In Figure 14-1, when the set top box (STB) and phone users go online, they send Internet Group Management Protocol (IGMP) Report messages of a multicast program to the BRAS. After receiving the messages, the BRAS identifies the users and sends a Protocol Independent Multicast (PIM) Join message to the network-side rendezvous point (RP) or the source's designated router (DR). The RP or source's DR creates multicast forwarding entries for the users and receives the required multicast traffic from the source. The BRAS finally sends the multicast traffic to the STB and phone users based on their forwarding entries and replication modes. The multicast replication in this example is based on sessions.


Now user-side multicast supports IPv4 and IPv6. For IPv4 users, user-side multicast applies to both private and public networks. For IPv6 users, user-side multicast applies only to public networks.

On Layer 2, user-side multicast supports the PPPoE and IPoE access modes for common users and the IPoE access mode for E-Line users.

Figure 14-1 User-side multicast


Because conventional multicast does not provide a method to identify users, carriers cannot effectively manage multicast users who access services such as Internet Protocol television (IPTV). Such users can join multicast groups, without notification, by sending Internet Group Management Protocol (IGMP) Report messages. To identify these users and allow for improved management of them, Huawei provides the user-side multicast feature.

Updated: 2019-01-03

Document ID: EDOC1100055017

Views: 39464

Downloads: 97

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next