Configuring The Extended Dhcp Log Filename - Juniper ACX1000 Configuration Manual

ACX Series Universal Access Router Configuration Guide

Configuring the Extended DHCP Log Filename

354
Important events for both global and per-interface tracing are logged in a file located
in the directory. By default, the router uses the filename,
/var/log
specify a different filename, but you cannot change the directory in which trace files
are located.
When the trace log file filename
renamed . Subsequent events are logged in a new file called
filename.0.gz
until it reaches capacity again. At this point,
filename is compressed and renamed
number of archived files reaches the maximum file number. Then the oldest trace
file—the one with the highest number—is overwritten.
You can optionally specify the number of trace files to be from 2 through 1000. You
can also configure the maximum file size to be from 10 KB through 1 gigabyte (GB).
(For more information about how log files are created, see the
By default, only the user who configures the tracing operation can access log files. You
can optionally configure read-only access for all users.
To configure global DHCP tracing operations.
Specify tracing operations for DHCP local server:
[edit system processes dhcp-service]
user@host# edit traceoptions
The tracing configuration is applied globally to DHCP local server in every LS:RI.
Configuration of event tracing on a per-LS:RI basis is not supported. DHCP tracing is
configurable only in the default LS:RI. However, the DHCP local server do not have to be
configured in the default LS:RI.
For information about configuring per-interface tracing options, see
DHCP Operations for Specific Interfaces" on page
The extended DHCP traceoptions operations are described in the following sections:
Configuring the Extended DHCP Log Filename on page 354
Configuring the Number and Size of Extended DHCP Log Files on page 355
Configuring Access to the Extended DHCP Log File on page 355
Configuring a Regular Expression for Extended DHCP Messages to Be Logged on page 356
Configuring the Extended DHCP Tracing Flags on page 356
Configuring the Severity Level to Filter Which Extended DHCP Messages Are
Logged on page 357
Tracing Extended DHCP Operations for Specific Interfaces on page 358
By default, the name of the file that records trace output is
different name by including the
the statement and the
traceoptions
reaches 128 kilobytes (KB), it is compressed and
filename.0.gz
filename.0.gz . This process repeats until the
358.
option. DHCP local server supports the
file
interface-traceoptions
Copyright © 2017, Juniper Networks, Inc.
. You can
jdhcpd
,
filename
is renamed and
filename.1.gz
System Log Explorer .)
"Tracing Extended
jdhcpd . You can specify a
option for
file
statement.