traceroute monitor
Syntax
Syntax (QFX Series)
Release Information
Command introduced in Junos OS Release 8.0
Command introduced in Junos OS Release 11.1 for the QFX Series.
Description
Display live monitoring of each hop in the route that packets take to a specified network host. Use as a debugging tool to locate points of failure in a network.
Options
host | — | IP address or name of remote host. |
count value | — | Number of ping requests, in packets, to send in summary mode. The default value is 10. |
inet | inet6 | — | (Optional) Trace the route belonging to IPv4 or IPv6, respectively. |
interval seconds | — | (Optional) Number of seconds to wait before sending ping requests. The default value is 1. |
no resolve | — | (Optional) Do not attempt to display addresses symbolically. |
size value | — | (Optional) Receive the specified number of bytes for each packet. The range is 0 through 65468 bytes. The default value is 64. |
source source-address | — | (Optional) Source address of the outgoing ping packets. |
summary | — | (Optional) Generate and display a summary of live monitoring of each hop on the route that packets take to a specified network host. |
Required Privilege Level
network
List of Sample Output
traceroute monitorOutput Fields
Table 1 describes the output fields for the traceroute monitor command. Output fields are listed in the approximate order in which they appear.
Table 1: traceroute monitor Output Fields
Field Name | Field Description |
|---|---|
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. |
Snt | Number of ping requests sent to the routerat 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. |
Sample Output
traceroute monitor
user@host> traceroute monitor 10.16.0.1 Loss% Snt Last Avg Best Wrst StDev Host 1. 10.17.41.254 0.0% 17 0.7 1.0 0.6 5.4 1.2 2. secret.net 0.0% 17 0.6 1.0 0.6 6.6 1.4 3. top-secret.net 0.0% 17 0.6 0.6 0.6 0.6 0.0
