Traceoptions (Dns, Port, And Tftp Packet Forwarding) - Juniper EX3400 Features Manual

traceoptions (DNS, Port, and TFTP Packet Forwarding)

Syntax
Hierarchy Level
Release Information
Description
Default
Options
Copyright © 2017, Juniper Networks, Inc.
traceoptions {
file filename <files number> <match regular-expression> <size bytes> <world-readable |
no-world-readable>;
flag flag;
level level;
<no-remote-trace>;
}
[edit forwarding-options helpers]
Statement introduced before Junos OS Release 7.4.
Statement standardized and
Statement introduced in Junos OS Release 9.0 for EX Series switches.
Configure tracing operations for BOOTP, DNS, TFTP, or custom UDP port packet
forwarding.
If you do not include this statement, no tracing operations are performed.
—Name of the file to receive the output of the tracing operation. Enclose the
file filename
name in quotation marks (" "). All files are placed in a file named
/var/log . If you include the
—(Optional) Maximum number of trace files. When a trace file named
files number
trace-file reaches its maximum size, it is renamed
so on, until the maximum number of trace files is reached. Then the oldest trace file
is overwritten.
If you specify a maximum number of files, you also must specify a maximum file size with
the option and a filename.
size
Range: 2 through 1000
Default: 3 files
—Tracing operation to perform. To specify more than one tracing operation,
flag flag
include multiple statements. You can include the following flags:
flag
address —Trace address management events
—Trace all events
all
bootp —Trace BOOTP or DHCP services events
—Trace configuration events
config
domain —Trace DNS service events
—Trace interface database operations
ifdb
io —Trace I/O operations
Chapter 13: Configuration Statements (Forwarding Options)
option introduced in Junos OS Release 8.0.
match
file statement, you must specify a filename.
trace-file.0
in the directory
fud
, then trace-file.1 , and
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