Command Line Reference Guide

920 | Multicast
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mtrace
e
Trace a multicast route from the source to the receiver.
Syntax
mtrace {source-address/hostname} {destination-address/hostname} {group-address}
Parameters
Command Modes
EXEC Privilege
Command
History
Usage
Information
Mtrace is an IGMP protocol based on the Multicast trace route facility and implemented according to
the IETF draft “A trace route facility for IP Multicast” (draft-fenner-traceroute-ipm-01.txt). FTOS
supports the Mtrace client and transmit functionality.
As an Mtrace client, FTOS transmits Mtrace queries, receives, parses and prints out the details in the
response packet received.
As an Mtrace transit or intermediate router, FTOS returns the response to Mtrace queries. Upon
receiving the Mtrace request, FTOS computes the RPF neighbor for the source, fills in the request and
the forwards the request to the RPF neighbor. While computing the RPF neighbor, the static mroute
and mBGP route is preferred over the unicast route.
queue backplane multicast
e
Reallocate the amount of bandwidth dedicated to multicast traffic.
Syntax
queue backplane multicast bandwidth-percentage percentage
Parameters
Defaults
80% of the scheduler weight is for unicast traffic and 20% is for multicast traffic by default.
Command Modes
CONFIGURATION
Command
History
Example FTOS(conf)#queue backplane multicast bandwidth-percent 30
FTOS(conf)#exit
FTOS#
00:14:04: %RPM0-P:CP %SYS-5-CONFIG_I: Configured from console by console
show run | grep bandwidth
queue backplane multicast bandwidth-percent 30
FTOS#
source-address/
hostname
Enter the source IP address in dotted decimal format (A.B.C.D).
destination-address/
hostname
Enter the destination (receiver) IP address in dotted decimal format (A.B.C.D).
group-address
Enter the multicast group address in dotted decimal format (A.B.C.D).
Version 7.5.1.0 Expanded to support originator
Version 7.4.1.0 Expanded to support intermediate (transit) router
E-Series legacy command
percentage
Enter the percentage of backplane bandwidth to be dedicated to multicast traffic.
Range: 5-95
Version 7.7.1.0 Introduced on E-Series