Multicast; Multicast Management For Mesh Network-Capable Devices - Cisco FM3200 Base Installation And Configuration Manual

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6.6.5. Multicast

Multicast management for mesh network-capable devices

Multicast is a group-communication method in which data transmissions
are addressed simultaneously to more than one destination computer.
Multicast transmissions can be point-to-multipoint, or multipoint-to-
multipoint.
By default, if CCTV cameras and devices that operate in a similar fashion
are linked to a Cisco transceiver unit operating in Mesh Point mode,the
unit forwards all multicast traffic generated by the cameras to the
closest Mesh End unit in the wireless network.
However, depending on network configuration, it may be convenient to
forward multicast traffic from one Mesh Point unit to another Mesh Point
unit, to allow such tasks as remote recording of the video data flow.
By default, units operating in Mesh End mode do not forward multicast
traffic to a wireless network. The only exceptions to this rule are universal
plug and play (UPnP) and Internet Group Management Protocol (IGMP)
traffic.
To redirect traffic flow to a Mesh Point unit, all multicast flow redirection
information must be specified using the Multicast settings on a Mesh End
unit.
NOTE
To change the unit's Multicast settings, make sure that the unit
is in Mesh End mode as shown in
mode" (page
is set to Mesh Point mode.
To set multicast rules on a Mesh End unit, do the following steps:
1. Find the Mesh End unit in the wireless network that is most
suitable for forwarding multicast traffic.
2. Connect to the Mesh End unit as shown in
FM3200 Base for device configuration" (page
3. Click the -multicast link under ADVANCED SETTINGS in the
left-hand settings menu.
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Device configuration using the configurator interface
56). Multicast controls are not available if the unit
NOTE
Multicast flow redirection information can only be
specified from a Mesh End unit. The Mesh End unit
will distribute the multicast data to all other Cisco
devices in the wireless network.
"Changing the operational
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42).
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