7.3.2.8mtrace

This command is used to find the multicast path from a source to a receiver (unicast router ID of the host running mtrace). A trace query is passed hop-by-hop along the reverse path from the receiver to the source, collecting hop addresses, packet counts, and routing error conditions along the path, and then the response is returned to the requestor. The results of this command will be available in the results buffer pool which can be displayed by using "show mtrace".

The <source> is the IP Address of the remote multicast-capable source. The [<destination>] is the IP address of the receiver. The default value is the IP address of system at which the command is issued. The [<group>] is the multicast address of the group to be displayed. The default value is 224.2.0.1

If a debug command is already in execution, a message is displayed and the new request fails.

Syntax

mtrace <source> [<group>] [<destination>]

<source > - the IP address of the multicast data source.

<group > - the Multicast address of the group to be traced. If you do not enter a valid address, multicast address 224.2.0.1 will be used. Valid addresses are 224.0.0.0 through 239.255.255.255.

<destination > - the IP address of the host to which the mtrace response will be sent by the last hop router.

Default Setting

None

Command Mode

Privileged Exec

7.3.2.9disable ip multicast mdebug mtrace

This command is used to disable the processing capability of mtrace query on this router. If the mode is enabled, the mtrace queries received by the router are processed and forwarded appropriately by the router. If the mode is disabled, this router does not respond to the mtrace queries it receives from other router devices.

Syntax

disable ip multicast mdebug mtrace

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Fortinet MR1 manual Disable ip multicast mdebug mtrace, Syntax Mtrace source group destination