[c-nsp] SFP optical monitoring - feature disappearing?

[Denis V. Schapov]

Hi, Marian.

http://www.cisco.com/univercd/cc/td/doc/product/gbic_sfp/gbic_doc/ol_8031.htm
This may help you to understand TAC reply.
But you can ask TAC to open DDTS for this feature to be integrated/supported on 3750.


----- Original Message ----- 
From: "Marian Durkovic" <md at bts.sk>
To: <cisco-nsp at puck.nether.net>
Sent: Wednesday, February 22, 2006 6:57 PM
Subject: [c-nsp] SFP optical monitoring - feature disappearing?


> Hello all,
> 
>   recently we've discovered a bug in "show interface transceiver" output
> on Catalyst3750 - it displays wrong values for Optical Receive Power.
> We opened SR 602829983 with Cisco TAC, but after a month of email
> exchages we've received a response that according to business unit this 
> is not supported on 3750.
> 
>   However, SFP diagnostic monitoring was officially released on Cat3750 
> in 12.2(20)SE and since then all release notes state:
> 
> Minimum Cisco IOS Release for Major Features:
> 
> SFP module diagnostic management interface:
> 
> Minimum IOS required  12.2(20)SE on Catalyst 3750, 3560, 2970
>                       12.2(25)FX on Catalyst 2960
> 
>   But when we've opened a support request, we've been denied any support.
> 
>   Could anyone please comment/help here? There's only a small bug in one of
> the output values, but despite this seems it was decided to silently
> discontinue optical monitoring support on these switching platforms. So even
> though almost all SFPs are now available from Cisco with optical monitoring,
> we won't be able to use this feature on these switches ????
> 
>   Here is the sample output describing the bug - all values are correct
> except Received Optical Power - also there, the raw A2D readouts in 
> parenthessis are correct:
> 
> #sh inte tra detail
> mA: milliamperes, dBm: decibels (milliwatts), NA or N/A: not applicable.
> ++ : high alarm, +  : high warning, -  : low warning, -- : low alarm.
> A2D readouts (if they differ), are reported in parentheses.
> The threshold values are calibrated.
> 
>                             High Alarm  High Warn  Low Warn   Low Alarm
>         Temperature         Threshold   Threshold  Threshold  Threshold
> Port     (Celsius)          (Celsius)   (Celsius)  (Celsius)  (Celsius)
> ------- ------------------  ----------  ---------  ---------  ---------
> Gi1/0/1   46.0               110.0       103.0        -8.0      -12.0
> Gi1/0/2   46.5               110.0       103.0        -8.0      -12.0
> 
>                             High Alarm  High Warn  Low Warn   Low Alarm
>          Voltage            Threshold   Threshold  Threshold  Threshold
> Port     (Volts)            (Volts)     (Volts)    (Volts)    (Volts)
> -------  ---------------    ----------  ---------  ---------  ---------
> Gi1/0/1  3.26                  4.00        3.70        3.00       2.95
> Gi1/0/2  3.28                  4.00        3.70        3.00       2.95
> 
>                             High Alarm  High Warn  Low Warn   Low Alarm
>          Current            Threshold   Threshold  Threshold  Threshold
> Port     (milliamperes)     (mA)        (mA)       (mA)       (mA)
> -------  -----------------  ----------  ---------  ---------  ---------
> Gi1/0/1   24.9                84.0        70.0         4.0        2.0
> Gi1/0/2   29.6                84.0        70.0         4.0        2.0
> 
>          Optical            High Alarm  High Warn  Low Warn   Low Alarm
>          Transmit Power     Threshold   Threshold  Threshold  Threshold
> Port     (dBm)              (dBm)       (dBm)      (dBm)      (dBm)
> -------  -----------------  ----------  ---------  ---------  ---------
> Gi1/0/1    3.0 (  0.6)         8.1         6.9        -2.0       -3.9
> Gi1/0/2    3.0 (  0.6)         8.1         7.0        -2.0       -3.9
> 
>          Optical            High Alarm  High Warn  Low Warn   Low Alarm
>          Receive Power      Threshold   Threshold  Threshold  Threshold
> Port     (dBm)              (dBm)       (dBm)      (dBm)      (dBm)
> -------  -----------------  ----------  ---------  ---------  ---------
> Gi1/0/1    8.1 ( -4.7)         8.1         8.1         8.1        8.1
> Gi1/0/2    8.1 (  2.5)         8.1         8.1         8.1        8.1
> 
> 
>   Thanks in advance for any comments/help.
> 
>   
> --------------------------------------------------------------------------
> ----                                                                  ----
> ----   Marian Durkovic                       network  manager         ----
> ----                                                                  ----
> ----   Slovak Technical University           Tel: +421 2 524 51 301   ----
> ----   Computer Centre, Nam. Slobody 17      Fax: +421 2 524 94 351   ----
> ----   812 43 Bratislava, Slovak Republic    E-mail/sip: md at bts.sk    ----
> ----                                                                  ----
> --------------------------------------------------------------------------
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