Issue of random recognition of SFP+ coded Extreme on the x620-10x


Two versions of XOS has been tested: 21.1.1.4 patch1-2 and 21.1.1.4 patch 1-5
The Same SFP connected on differents ports displays different errors messages. The interfaces are sometime functional sometime not functional, they are flapping.
The similar SFP modules are functioning on our Production environment without issue.

15 replies

Userlevel 7
Hi AIT Support,

I have made this conversation public, as it looks like there is not any personal information present. This way, the entire community can help out and learn from this conversation.

Can you post the error messages you have been seeing? Also, please let us know the SFP models you are using.

-Brandon
07/05/2016 09:19:44.15 : Reading of DDMI data failed on the optical module in port 7.
07/05/2016 09:19:44.15 : summitCardPortGetTransceiverInfoSfp: Unable to read DDMI info from Transceiver for port 1:7

07/05/2016 09:19:44.15 : Optics module in port 7 is not Ddmi capable

07/05/2016 09:18:09.94 : Reading of DDMI data failed on the optical module in port 7.
07/05/2016 09:18:09.94 : summitCardPortGetTransceiverInfoSfp: Unable to read DDMI info from Transceiver for port 1:7

07/05/2016 09:18:09.94 : Optics module in port 7 is not Ddmi capable

07/05/2016 09:18:06.99 [i] : Media SF+_UNKNOWN is inserted into Port 7
07/05/2016 09:18:04.98 [i] : Media SF+_UNKNOWN is removed from Port 9
07/05/2016 09:17:42.76 : Reading of DDMI data failed on the optical module in port 9.
07/05/2016 09:17:42.76 : summitCardPortGetTransceiverInfoSfp: Unable to read DDMI info from Transceiver for port 1:9

07/05/2016 09:17:42.76 : Optics module in port 9 is not Ddmi capable

07/05/2016 09:17:30.15 [i] : Media SF+_UNKNOWN is inserted into Port 9

Port : 9

Media Type : SF+_UNKNOWN (Unsupported)
Vendor Name : F3EOTI
Part Number :8_?6w2
Serial Number : AMW
Wavelength : 850 nm

Temp (Celsius) : 127.28 Status : High Alarm
Low Warn Threshold : -5.00 High Warn Threshold : 127.00
Low Alarm Threshold : 127.00 High Alarm Threshold : 127.00

Voltage AUX-1/Vcc (Volts) : 3.33 Status : High Alarm
Low Warn Threshold : 3.05 High Warn Threshold : 3.50
Low Alarm Threshold : 3.00 High Alarm Threshold : 1.61

Tx Power (dBm) : -1.96 Status : Low Warning
Low Warn Threshold : 5.15 High Warn Threshold : 0.00
Low Alarm Threshold : -9.39 High Alarm Threshold : 1.03

Rx Power (dBm) : -22.01 Status : Low Alarm
Low Warn Threshold : -12.10 High Warn Threshold : -0.00
Low Alarm Threshold : -14.55 High Alarm Threshold : 1.03

Tx Bias Current (mA): 65.15 Status : High Alarm
Low Warn Threshold : 1.68 High Warn Threshold : 65.09
Low Alarm Threshold : 1.00 High Alarm Threshold : 49.73

Port : 7

Media Type : SF+_UNKNOWN (Unsupported)
Vendor Name : FXOPOIX
Part Number : N/A
Serial Number : N/A
Wavelength : N/A

Temp (Celsius) : -- Status : N/A
Low Warn Threshold : N/A High Warn Threshold : N/A
Low Alarm Threshold : N/A High Alarm Threshold : N/A

Tx Power (dBm) : N/A Status : N/A
Low Warn Threshold : N/A High Warn Threshold : N/A
Low Alarm Threshold : N/A High Alarm Threshold : N/A

Rx Power (dBm) : N/A Status : N/A
Low Warn Threshold : N/A High Warn Threshold : N/A
Low Alarm Threshold : N/A High Alarm Threshold : N/A

Tx Bias Current (mA): N/A Status : N/A
Low Warn Threshold : N/A High Warn Threshold : N/A
Low Alarm Threshold : N/A High Alarm Threshold : N/A
Brandon
It is an non native module but coded Extreme.
Eva
Hi Brandon
Any help ?
regards
eva
Userlevel 7
Are these Extreme optics? If so, what is the model number?

From the output you provided, it looks like the switch is having trouble reading information from the optic.
Hello Brandon,

The model is Flexoptix" all models => 1G T, SX, LX, EX et 10G SR, LR, ER.

Thanks you for your support.
Regards,
Lionel MOUZONG
Userlevel 7
Since these are not Extreme optics, they are not supported in EXOS switches. While they may work, our SQA team has not tested and verified that they will work. Additionally, we cannot bring any interoperability issues with third party optics to our engineering team for their analysis.

I would suggest testing with Extreme optics, to see if the same behavior is present.
Userlevel 6
Hello, all!

Have the same problem, but only with OpticQ transceivers for 1 fiber.
Other non-original optic show ddmi fine.
Trying X620-10x and -16x.
In X460 and X670 all work fine.
The impression like problem with EXOS 21 version.

X620-16x.6 # debug hal show optic-info port 1
Port 1
SFP or SFP+: SFP
Signal: not present
TX Fault: no
SFP/SFP+ Vendor: ?E7
SFP/SFP+ Part Number: ?F_'0
SFP/SFP+ Serial Number: SG33908
SFP/SFP+ Manufacture Date: 3
SFP/SFP+ Type: SFP/SFP+
Connector: LC
GE Compliance: UNKNOWN (0x0)
Wavelength: 1135

Is there some update for now?

Thank you!
I've just noticed this too in my X620-16x. VELOSO SFP+ transceivers give the same type of DDMI errors and Extreme Networks branded transceivers manufactured by OPNEXT, INC., FIBERXON INC. and FINISAR CORP seem to be fine. It's like the switch is looking for an Extreme serial number in order for the DDMI to work properly.
Userlevel 6
Hello!

As I understand this issue only in X620 switches.

Tring with X460G2-24t-10G.
EXOS 15.6.3.1 patch1-9; 16.1.3.6 patch1-9; 21.1.1.4 patch1-5
All this versions, and 21 version too, show correct ddmi:
X460G2-24t-10G4.3 # debug hal show optic-info port 30
Port 30
SFP or SFP+: SFP+
Signal: not present
TX Fault: no
SFP/SFP+ Vendor: OEM
SFP/SFP+ Part Number: SFP+ BIDI-20
SFP/SFP+ Serial Number: SG3P390008
SFP/SFP+ Manufacture Date: 160326
SFP/SFP+ Type: SFP/SFP+

Any ideas about why this issue only with X620 switches?

Thank you!
Userlevel 7
I have asked internally about it. I was doubtful this was software related as I never heard of specific change for optic support. Thanks for testing on x460G2.
Userlevel 6
Grosjean, Stephane wrote:

I have asked internally about it. I was doubtful this was software related as I never heard of specific change for optic support. Thanks for testing on x460G2.

Thank you!
Userlevel 6
Hello, colleagues!

Is there any update information about this issue?

Thank you!
Userlevel 7
Hi, There's no real explanation to it, and that just illustrates what is the difference between a generic transceiver and an Extreme one: validation. Nothing has change, but the x620 is - obviously - a different switch, with different interface, different traces length... so maybe this can trigger a problem more often with some 3rd party transceivers?
Userlevel 6
Hello, all!

For now more often appear issue with DDMI SFP+ of non-original optics.
As with X620-10x, so with X620-16x.

What do you think - is it makes sense to open the case in GTAC?
Or because this is non-original optics there is no any reason?

Thank you!

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