Juniper Networks J-Series manual Tracing Multicast Routes from the CLI

J-series™ Services Router Administration Guide

Table 123: CLI traceroute monitor Command Output Summary

Field	Description
host	Hostname or IP address of the Services Router issuing the traceroute monitor command.
psizesize	Size of ping request packet, in bytes.
Keys
Help	Displays the help for the CLI commands.
	Press H to display the help.
Display mode	Toggles the display mode.
	Press D to toggle the display mode
Restart statistics	Restarts the traceroute monitor command.
	Press R to restart the traceroute monitor command.
Order of fields	Sets the order of the displayed fields.
	Press O to set the order of the displayed fields.
quit	Quits the traceroute monitor command.
	Press Q to quit the traceroute monitor command.
Packets
number	Number of the hop (router) along the route to the final destination host.
Host	Hostname or IP address of the router at each hop.
Loss%	Percent of packet loss. The number of ping responses divided by the number of ping
	requests, specified as a percentage.
Pings
Snt	Number of ping requests sent to the router at this hop.
Last	Most recent round-trip time, in milliseconds, to the router at this hop.
Avg	Average round-trip time, in milliseconds, to the router at this hop.
Best	Shortest round-trip time, in milliseconds, to the router at this hop.
Wrst	Longest round-trip time, in milliseconds, to the router at this hop.
StDev	Standard deviation of round-trip times, in milliseconds, to the router at this hop.

Tracing Multicast Routes from the CLI

Use CLI mtrace commands to trace information about multicast paths. The mtrace from-sourcecommand displays information about a multicast path from a source to

240■ Using CLI Diagnostic Commands