Juniper EX Series User Manual

Table 90: Packet Capture Field Summary (continued)
Your ActionFunctionField
To display the packet headers in hexadecimal
format, select this check box.
Specifies that packet headers, except link-layer headers,
are to be displayed in hexadecimal format.
Display Hex
To display the packet headers in ASCII and
hexadecimal formats, select this check box.
Specifies that packet headers are to be displayed in
hexadecimal and ASCII format.
Display ASCII and
Hex
You can enter match conditions directly in
this field in expression format or modify the
expression composed from the match
conditions you specified for Addresses,
Protocols, and Ports. If you change the match
conditions specified for Addresses, Protocols,
and Ports again, packet capture overwrites
your changes with the new match conditions.
Specifies the match condition for the packets to be
captured. The match conditions you specify for Addresses,
Protocols, and Ports are displayed in expression format
in this field.
Header Expression
Type the number of bytes you want to capture
for each packet header—for example, 256.
Specifies the number of bytes to be displayed for each
packet. If a packet header exceeds this size, the display is
truncated for the packet header. The default value is 96
bytes.
Packet Size
To prevent packet capture from resolving IP
addresses to hostnames, select this check
box.
Specifies that IP addresses are not to be resolved into
hostnames in the packet headers displayed.
Don't Resolve
Addresses
To stop displaying timestamps in the
captured packet headers, select this check
box.
Suppresses the display of packet header timestamps.No Timestamp
To decode and display the packet headers on
the J-Web page, clear this check box.
Writes the captured packets to a file in PCAP format in
/var/tmp. The files are named with the prefix jweb-pcap
and the extension .pcap. If you select this option, the
decoded packet headers are not displayed on the packet
capture page.
Write Packet
Capture File
Related
Documentation
Using the J-Web CLI Terminal on page 42•
Monitoring Interface Status and Traffic
Purpose NOTE: This topic applies only to the J-Web Application package.
Use the monitoring functionality to view interface status or to monitor interface bandwidth
utilization and traffic statistics on the EX Series switches.
Copyright © 2017, Juniper Networks, Inc.198
J-Web Application Package User Guide for EX Series Switches, Release 14.1X53-A1

Juniper EX Series Specifications

General

Brand	Juniper
Model	EX Series
Category	Switch
Language	English