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Man Pages


Manual Reference Pages  -  OWUP (1)

NAME

owup - Client application to query the server for uptime information

CONTENTS

Synopsis
Description
Options
     Connection/Authentication Options:
Examples
See Also
Acknowledgments

SYNOPSIS

owup [options] servhost

DESCRIPTION

owup is a command line client application used to fetch uptime information from the server. The owampd greeting message provides uptime information. This can be useful information for clients that run long-duration test and for monitoring purposes.

servhost can be specified using rfc2396 and rfc2732 syntax for both host and port specification:
node:port
  IPv4 syntax where node is either a DNS name or a numeric host address string consisting of a dotted decimal IPv4 address. The \:port is an optional port specifier to contact servers running on a non-default port and can be left off in most cases. This syntax also works for IPv6 addresses specified using DNS names.
[node]:port
  IPv6 syntax where node is specified using a numeric IPv6 host address string. The []’s are required only if the optional \:port port specifier is used.

OPTIONS

-h Print a usage message and exit.
Default: Unset.

    Connection/Authentication Options:

-4 Forces OWAMP clients to use IPv4 addresses only.
Default: Unset. OWAMP will use IPv4 or IPv6 address, but tries IPv6 first.
-6 Forces OWAMP clients to use IPv6 addresses only.
Default: Unset. OWAMP will use IPv4 or IPv6 address, but tries IPv6 first.
-A authmode
  Specify the authentication modes the client is willing to use for communication. authmode should be set as a character string with any or all of the characters "AEO". The modes are:
A [A]uthenticated. This mode encrypts the control connection and digitally signs part of each test packet.
E [E]ncrypted. This mode encrypts the control connection and encrypts each test packet in full. This mode forces an encryption step between the fetching of a timestamp and when the packet is sent. This adds more computational delay to the time reported by OWAMP for each packet.
O [O]pen. No encryption of any kind is done.
The client can specify all the modes with which it is willing to communicate. The most strict mode that both the OWAMP server and the OWAMP client are willing to use will be selected. Authenticated and Encrypted modes require a "shared secret" in the form of a pass-phrase that is used to generate the AES and HMAC-SHA1 session keys.
Default: "AEO".
-k pfsfile
  Use the pass-phrase in pfsfile for username to derive the symmetric AES key used for encryption. username must have a valid entry in pfsfile. pfsfile can be generated as described in the pfstore(1) manual page.
Default: Unset. (If the -u option was specified without the -k, the user will be prompted for a passphrase.)
-S srcaddr
  Bind the local address of the client socket to srcaddr. srcaddr can be specified using a DNS name or using standard textual notations for the IP addresses. (IPv6 addresses are of course supported.)
Default: Unspecified (wild-card address selection).
-u username
  Specify the username that identifies the shared secret (pass-phrase) used to derive the AES and HMAC-SHA1 session keys for authenticated and encrypted modes. If the -k option is specified, the pass-phrase is retrieved from the pfsfile, otherwise the user is prompted for a pass-phrase.
Default: Unset.

EXAMPLES

owup somehost.com
Contact host somehost.com. Fetch the uptime information and display it.

SEE ALSO

owampd(8), owping(1), owstats(1), aespasswd(1) and the  http://e2epi.internet2.edu/owamp/ web site.

ACKNOWLEDGMENTS

This material is based in part on work supported by the National Science Foundation (NSF) under Grant No. ANI-0314723. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the NSF.
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--> OWUP (1) $Date: 2007-03-06 17:02:45 -0500 (Tue, 06 Mar 2007) $

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