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Operating Systems AIX How to find TX and RX strength? Post 302457697 by kah00na on Tuesday 28th of September 2010 03:06:01 PM
Old 09-28-2010
IBM support provided a efc_power program to measure the transmit (TX) and RX (receive) strength. They stated it works with most Emulex fiber cards. If a server reports the TX less than -10, then the card is probably bad. If the RX is less than -10, then cabling or the SAN port is probably bad.

Quote:
hostname:/:$ efc_power /dev/fscsi0
TX: 0bee -> 0.3054 mW, -5.15 dBm
RX: 0cc8 -> 0.3272 mW, -4.85 dBm
hostname:/:$
I'll attempt to attach the program.
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PLUGINVIEWER(8) 					      System Manager's Manual						   PLUGINVIEWER(8)

NAME
pluginviewer - list loadable SASL plugins and their properties SYNOPSIS
pluginviewer [-a] [-s] [-c] [-b min=N,max=N] [-e ssf=N,id=ID] [-m MECHS] [-x AUXPROP_MECH] [-f FLAGS] [-p PATH] DESCRIPTION
pluginviewer can be used by a server administrator to troubleshoot SASL installations. The utility can list loadable (properly configured) client and server side plugins, as well as auxprop plugins. OPTIONS
-a List auxprop plugins. -s List server authentication (SASL) plugins. -c List client authentication (SASL) plugins. -b min=N1,max=N2 List client authentication (SASL) plugins. Strength of the SASL security layer in bits. min=N1 specifies the minumum strength to use (1 => integrity protection). max=N2 specifies the maximum strength to use. Only SASL mechanisms which support security layer with strength M such that N1 <= M <= N2 will be shown. -e ssf=N,id=ID Assume that an external security layer (e.g. TLS) with N-bit strength is installed. The ID is the authentication identity used by the external security layer. -m MECHS Limit listed SASL plugins to the ones included in the MECHS (space separated) list. -x AUXPROP_MECHS Limit listed auxprop plugins to the one listed in the AUXPROP_MECHS (space separated) list. -f FLAGS Set security flags. FLAGS is a comma separated list of one or more of the following security flags: noplain (SASL mechanism doesn't send password in the clear during authentication), noactive (require protection from active attacks), nodict (require mechanisms which are secure against passive dictionary attacks), forwardsec (require forward secrecy), passcred (require mechanisms that can delegate client credentials), maximum (require all security flags). -p PATH Specifies a colon-separated search path for plugins. SEE ALSO
rfc4422 - Simple Authentication and Security Layer (SASL) CMU SASL
Apr 10, 2006 PLUGINVIEWER(8)
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