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New Member

Fex: Image update failed [/isan/plugin_img/fexth.bin]: File transfer error

Hi all,

We have 2 cisco Nexus 5596 devices. We also have 24 fexes (N2K-C2248TP-1GE) connected with vpc to both devices.

We tried to upgrade the NX-OS from 5.1.3.N2.1 to 5.2.1.N1.7.

During the upgrade we got an error on fex 109. The other fexes gave no error.

2014 Feb 21 23:35:26 nex-5596 %$ VDC-1 %$ %SATCTRL-FEX109-2-SATCTRL_IMAGE: FEX109 Image update failed [/isan/plugin_img/fexth.bin]: File transfer error

2014 Feb 21 23:35:28 nex-5596 %$ VDC-1 %$ %SATCTRL-FEX122-2-SATCTRL_IMAGE: FEX122 Image update in progress.

2014 Feb 21 23:35:38 nex-5596 %$ VDC-1 %$ %SATCTRL-FEX123-2-SATCTRL_IMAGE: FEX123 Image update in progress.

2014 Feb 21 23:35:48 nex-5596 %$ VDC-1 %$ %SATCTRL-FEX124-2-SATCTRL_IMAGE: FEX124 Image update in progress.

2014 Feb 21 23:36:23 nex-5596 %$ VDC-1 %$ %SATCTRL-FEX101-2-SATCTRL_IMAGE: FEX101 Image update complete. Install pending

I have tried shutting down the power of fex 109 and restarting the upgrade. And I have tried executing the upgrade from the second 5596. But both without success.

When I do a sh fex 109 detail, I can see the following in the logs:

02/21/2014 23:33:28.586594: Module image preload in progress

02/21/2014 23:35:26.378579: Image preload failed.

Any ideas?

Thanks,

Best Regards,

Joris

Everyone's tags (2)
2 REPLIES
New Member

Re: Fex: Image update failed [/isan/plugin_img/fexth.bin]: File

Hi All,

Most likely is this a L1 issue. Faulty fiber of sfp.

You can check this by doing “sh fex x transceiver detail”. You can see that the RX Power values for fex 1 are very low. This is probably the reason why the tftp session from N5k to fex 1 fails during the upgrade.

Fex 2 doesn’t show this issue.

Once we have replaced the fibers I'll know more and I'll post the results.

Best Regards,

joris

5596# sh fex 1 transceiver detail

Fex Uplink: 1

Fabric Port: Ethernet1/x

    sfp is present

    name is CISCO-FINISAR

    type is Fabr

    part number is x

    revision is A

    serial number is x

    nominal bitrate is 10300 MBits/sec

    Link length supported for 50/125mm fiber is 0 m(s)

    Link length supported for 62.5/125mm fiber is 0 m(s)

    cisco id is --

    cisco extended id number is 4

    SFP Detail Diagnostics Information

  ----------------------------------------------------------------------------

                                     Alarms                  Warnings

                                High        Low         High          Low

  ----------------------------------------------------------------------------

  Temperature   33.92 C        75.00 C      5.00 C     70.00 C       10.00 C

  Voltage        3.31 V         3.63 V      2.97 V      3.46 V        3.13 V

  Current        7.85 mA       11.80 mA     4.00 mA    10.80 mA       5.00 mA

  Tx Power       -2.42 dBm       2.69 dBm  -11.30 dBm   -1.30 dBm     -7.30 dBm

  Rx Power      -13.27 dBm --    2.99 dBm  -13.97 dBm   -1.00 dBm     -9.91 dBm

  ----------------------------------------------------------------------------

  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

-

5596# sh fex 2 transceiver detail

Fex Uplink: 1

Fabric Port: Ethernet1/x

    sfp is present

    name is CISCO-FINISAR

    type is Fabr

    part number is x

    revision is A

    serial number is x

    nominal bitrate is 10300 MBits/sec

    Link length supported for 50/125mm fiber is 0 m(s)

    Link length supported for 62.5/125mm fiber is 0 m(s)

    cisco id is --

    cisco extended id number is 4

    SFP Detail Diagnostics Information

  ----------------------------------------------------------------------------

                                     Alarms                  Warnings

                                High        Low         High          Low

  ----------------------------------------------------------------------------

  Temperature   33.34 C        75.00 C      5.00 C     70.00 C       10.00 C

  Voltage        3.29 V         3.63 V      2.97 V      3.46 V        3.13 V

  Current        7.84 mA       11.80 mA     4.00 mA    10.80 mA       5.00 mA

  Tx Power       -2.39 dBm       2.69 dBm  -11.30 dBm   -1.30 dBm     -7.30 dBm

  Rx Power       -2.36 dBm       2.99 dBm  -13.97 dBm   -1.00 dBm     -9.91 dBm

  ----------------------------------------------------------------------------

  Note: ++  high-alarm; +  high-warning; --  low-alarm; -  low-warning

New Member

A bad fibre can really be a

A bad fibre can really be a problem.

The same problem was solved with a correct fiber connection.

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