mtrace monitor
Syntax
Release Information
Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
Command introduced in Junos OS Release 11.3 for the QFX Series.
Description
Listen passively for IP multicast responses. To exit the mtrace monitor command, type Ctrl+c.
Options
none | — | Trace the master instance. |
Required Privilege Level
view
List of Sample Output
mtrace monitorOutput Fields
Table 1 describes the output fields for the mtrace monitor command. Output fields are listed in the approximate order in which they appear.
Table 1: mtrace monitor Output Fields
Field Name | Field Description |
|---|---|
Mtrace query at | Date and time of the query. |
by | Address of the host issuing the query. |
resp to | Response destination. |
qid | Query ID number. |
packet from...to | IP address of the query source and default group destination. |
from...to | IP address of the multicast source and the response address. |
via group | IP address of the group to trace. |
mxhop | Maximum hop setting. |
Sample Output
mtrace monitor
user@host> mtrace monitor
Mtrace query at Oct 22 13:36:14 by 192.1.3.2, resp to 224.0.1.32, qid 74a5b8 packet from 192.1.3.2 to 224.0.0.2 from 192.1.3.2 to 192.1.3.38 via group 224.1.1.1 (mxhop=60) Mtrace query at Oct 22 13:36:17 by 192.1.3.2, resp to 224.0.1.32, qid 1d07ba packet from 192.1.3.2 to 224.0.0.2 from 192.1.3.2 to 192.1.3.38 via group 224.1.1.1 (mxhop=60) Mtrace query at Oct 22 13:36:20 by 192.1.3.2, resp to same, qid 2fea1d packet from 192.1.3.2 to 224.0.0.2 from 192.1.3.2 to 192.1.3.38 via group 224.1.1.1 (mxhop=60) Mtrace query at Oct 22 13:36:30 by 192.1.3.2, resp to same, qid 7c88ad packet from 192.1.3.2 to 224.0.0.2 from 192.1.3.2 to 192.1.3.38 via group 224.1.1.1 (mxhop=60)
