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

[Roman Sokolov]

Hello Denis,

Actually this matrix is wrong. At least because of monitoring of LR and ER
Xenpacks is definitely supported. But not all transivers physically support DOM.

Wednesday, February 22, 2006, 4:17:06 PM, you wrote:

DVS> Hi, Marian.

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


DVS> ----- Original Message ----- 
DVS> From: "Marian Durkovic" <md at bts.sk>
DVS> To: <cisco-nsp at puck.nether.net>
DVS> Sent: Wednesday, February 22, 2006 6:57 PM
DVS> 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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>> 

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-- 
Best regards,
 Roman
 mailto:rps at cheater.ru

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