How To Enable Multicast On Cisco Switch?
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To enable multicast on a Cisco switch, use the following CLI commands:
1. Set the switch to allow multicast forwarding with the command: “ip multicast–routing”
2. Configure the switch ports connected to your multicast sources and receivers with the command:
“ip pim sparse–dense–mode”
3. Enable PIM neighbor discovery between downstream receivers and upstream sources with the command:
“ip igmp”
4. Allow multiple hosts to join the same multicast stream with the command:
“ip igmp snooping”
5. Configure the IP multicast routing protocol of choice with the commands:
For PIM–DM:
“ip pim rp–address <address>”
“ip pim ssm range <range>”
For PIM–SM:
“ip pim rp–candidate <address>”
“ip pim bidir–enable”
1. Log into the switch via the command line interface (CLI).
2. Enter the “configure terminal” command to enter global configuration mode.
3. Enter the “ip multicast-routing” command to enable multicast routing.
4. Enter the “interface” command followed by the interface name to enter interface configuration mode.
5. Enter the “ip pim sparse-mode” command to enable Protocol Independent Multicast (PIM) Sparse Mode.
6. Enter the “end” command to exit global configuration mode.
7. Enter the “wr mem” command to save the configuration changes.