Specifications

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Cisco Wide Area Application Services Command Reference
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Chapter 3 CLI Commands
tethereal
tethereal
To analyze network traffic from the command line, use the tethereal EXEC command.
tethereal [LINE]
Syntax Description
Defaults No default behavior values.
Command Modes EXEC
Device Modes application-accelerator
central-manager
Usage Guidelines Tethereal is the command-line version of the network traffic analyzer tool Ethereal. Like TCPdump, it
also uses the packet capture library (libpcap). Aside from network traffic analysis, Tethereal also
provides facilities for decoding packets.
Examples The following example shows how to display the options available with the WAAS tethereal command:
WAE# tethereal -h
This is GNU tethereal 0.10.6
(C) 1998-2004 Gerald Combs <[e-mail]>
Compiled with GLib 1.2.9, with libpcap 0.6, with libz 1.1.3, without libpcre,
without UCD-SNMP or Net-SNMP, without ADNS.
NOTE: this build does not support the "matches" operator for Ethereal filter
syntax.
Running with libpcap (version unknown) on Linux 2.4.16.
tethereal [ -vh ] [ -DlLnpqSVx ] [ -a <capture autostop condition> ] ...
[ -b <number of ring buffer files>[:<duration>] ] [ -c <count> ]
[ -d <layer_type>==<selector>,<decode_as_protocol> ] ...
[ -f <capture filter> ] [ -F <output file type> ] [ -i <interface> ]
[ -N <resolving> ] [ -o <preference setting> ] ... [ -r <infile> ]
[ -R <read filter> ] [ -s <snaplen> ] [ -t <time stamp format> ]
[ -T pdml|ps|psml|text ] [ -w <savefile> ] [ -y <link type> ]
[ -z <statistics string> ]
Valid file type arguments to the "-F" flag:
libpcap - libpcap (tcpdump, Ethereal, etc.)
rh6_1libpcap - RedHat Linux 6.1 libpcap (tcpdump)
suse6_3libpcap - SuSE Linux 6.3 libpcap (tcpdump)
modlibpcap - modified libpcap (tcpdump)
nokialibpcap - Nokia libpcap (tcpdump)
lanalyzer - Novell LANalyzer
ngsniffer - Network Associates Sniffer (DOS-based)
snoop - Sun snoop
LINE (Optional) Options. For more information see the “Usage Guidelines”
section.