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Home Documentation Junos OS Junos CLI Reference CLI Reference M

Junos CLI Reference

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Junos CLI Reference
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mtrace monitor

date_range 19-Nov-23
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Syntax

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mtrace  monitor

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

Output 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

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user@host> mtrace monitor             
Mtrace query at Oct 22 13:36:14 by 192.168.3.2, resp to 233.252.0.32, qid 74a5b8
packet from 192.168.3.2 to 233.252.0.2
from 192.168.3.2 to 192.168.3.38 via group 233.252.0.1 (mxhop=60)

Mtrace query at Oct 22 13:36:17 by 192.681.3.2, resp to 233.252.0.32, qid 1d07ba
packet from 192.168.3.2 to 233.252.0.2
from 192.168.3.2 to 192.168.3.38 via group 233.252.0.1 (mxhop=60)

Mtrace query at Oct 22 13:36:20 by 192.681.3.2, resp to same, qid 2fea1d
packet from 192.168.3.2 to 233.252.0.2
from 192.168.3.2 to 192.168.3.38 via group 233.252.0.1 (mxhop=60)

Mtrace query at Oct 22 13:36:30 by 192.168.3.2, resp to same, qid 7c88ad
packet from 192.168.3.2 to 233.252.0.2
from 192.168.3.2 to 192.168.3.38 via group 233.252.0.1 (mxhop=60)

Release Information

Command introduced before Junos OS Release 7.4.

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