Multicast feature of the access network

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In the multicast feature, the Tx host distributes the same IP data packet to a group of Rx hosts through the IP network, but other hosts on the network cannot receive this packet. Multicast can be used to provide some value-added services, such as live broadcast, IPTV, remote learning, remote healthcare, network radio, real-time video conference, and online gaming.

Other related questions:
ARP proxy feature of the access network
When a PC sends an Address Resolution Protocol (ARP) request to another PC, the request is processed by the access device connected to the 2 PCs. This process is called ARP proxy. ARP proxy is often used for communication between the sub virtual local area networks (VLANs) in a super VLAN.

What multicast features do CE series switches support
The right figure shows the multicast features supported by CE series switches.

How to configure multiple static RPs on a multicast network
The right figure shows how to configure multiple static Rendezvous Points (RPs) on a CE series switch.

Accessing the management network port
For details about how to log in to the iMana CLI and WebUI, see the iMana User Guide (Link). For details about how to log in to the iBMC CLI and WebUI, see the iBMC User Guide (Link). Use HTTPS to access the WebUI. Enter https://bmc_ip_address/ in the browser's address box and press Enter. It is not recommended that you enter "bmc_ip_address" in the browser's address box and press Enter. If you enter only the IP address, HTTP will be used by default. The login may fail because HTTP poses security risks.

What are the precautions for deploying multicast VLAN replication on a ring network
A multicast VLAN is the user VLAN of itself by default, so you do not need to run the multicast user-vlan command. When configuring multicast VLAN replication on the S1720, S2700, S5700S-LI (except S5700S-28X-LI-AC and S5700S-52X-LI-AC), or S5700LI, pay attention to the following constraints: -A user-side interface can be added to only one user VLAN. If the interface is added to multiple user VLANs, the user VLAN where multicast entries are generated first takes effect. -The user-side interface also needs to be added to the multicast VLAN in the same mode as it is added to the user VLAN. For example, if the user-side interface is added to the user VLAN in untagged mode, it must be added to the multicast VLAN in untagged mode. -To prevent broadcast of unknown multicast packets, enable the switch to drop unknown multicast packets. On the S2700SI or S2700EI, run the multicast drop-unknown command in the system view to enable this function. On the S1720, S2720, S5700S-LI or S5700LI, run the multicast drop-unknown command in the VLAN view to enable this function.

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