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Cisco IOS Voice, Video, and Fax Commands: R Through Sh
session protocol multicast
VR-606
Cisco IOS Voice, Video, Fax Command Reference
session protocol multicast
To set the session protocol as multicast, use the session protocol multicast command dial-peer
configuration mode. To negate this command and return to the Cisco default session protocol, use the no
version of this command.
session protocol multicast
no session protocol multicast
Syntax Description There are no keywords or arguments.
Defaults When this command is not implemented, the default session protocol is cisco.
Command Modes Dial-peer configuration
Command History
Usage Guidelines Use the session protocol multicast dial-peer configuration command for voice conferencing in a
Hoot and Holler networking implementation. This command allows more than two ports to join the same
session simultaneously. It is supported on Cisco 2600 and Cisco 3600 series routers.
Examples The following example shows the use of the session protocol multicast dial-peer configuration
command in context with its accompanying commands:
dial-peer voice 111 voip
destination-pattern 111
session protocol multicast
session target ipv4:237.111.0.111:22222
ip precedence 5
codec g711ulaw
Related Commands
Release Modification
12.1(2)XH This command was introduced on Cisco 2600 and Cisco 3600 series
routers for the Cisco Hoot and Holler over IP application.
12.1(3)T This command was integrated into the Cisco IOS Release 12.1(3)T.
Command Description
session target ipv4 Assigns the session target for voice-multicasting dial peers.