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Problem with sh int status on a Nexus 5596

Unanswered Question
Jul 12th, 2012
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Hello,


I have maybe a bug on my Nexus 5596 switch ; when i issue the command show interface status the outpout of the "port" is missing :


# sh int statu 


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

Port          Name               Status    Vlan      Duplex  Speed   Type

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

connected trunk     full    10G     1/10g     

connected trunk     full    10G     1/10g     

disabled  trunk     full    10G     1/10g     

disabled  trunk     full    10G     1/10g     

sfpAbsent 1         full    10G     1/10g     

sfpAbsent 1         full    10G     1/10g     

Eth1/7        ### ***********- connected trunk     full    10G     1/10g     

Eth1/8        ### *************- connected trunk     full    10G     1/10g     

disabled  1         full    10G     1/10g     

disabled  1         full    10G     1/10g     

connected 1         full    10G     1/10g     

connected 1         full    10G     1/10g     

connected 1         full    10G     1/10g     

connected 1         full    10G     1/10g     

  connected 1         full    10G     1/10g     

  connected 1         full    10G     1/10g     

connected 1         full    10G     1/10g     

SDP timed 1         full    10G     1/10g  


But we see the fex interfaces :Eth101/1/1, Eth103/1/1, etc...


Eth101/1/1    *** ****************connected       full    1000    --        

Eth101/1/2    *** *************** connected      full    1000    --        

Eth101/1/3    **


I have other 5596 with the same version 5.0(3)N2(2a) and there is no problem ; i do nothing for this, it was working before but now it's not.

Did you seen this problem before ?


Thanks for your feedback.


Regards

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vdsudame Fri, 07/13/2012 - 06:42
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on this switch, do you remember copying any files created via windows/dos to the running config lately? can you paste a sample  'show interface ethernet x/y' for the port which is missing the port information in 'show int status'


Thanks, Vinayak

Aret Avedis SET Fri, 07/13/2012 - 07:03
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Hi,


Yes when i implement a config, i always work with notepad or word and copy/paste the configuration on the Nexus.


Here is the outpout that you asked :

N5K# sh int eth1/19

Ethernet1/19 is down (SFP validation failed)

  Hardware: 1000/10000 Ethernet, address: 547f.ee92.1e1a (bia 547f.ee92.1e1a)

  Description:

  MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ARPA

  Port mode is access

  auto-duplex, 10 Gb/s, media type is 10G

  Beacon is turned off

  Input flow-control is off, output flow-control is off

  Rate mode is dedicated

  Switchport monitor is off

  EtherType is 0x8100

  Last link flapped never

  Last clearing of "show interface" counters never

  30 seconds input rate 0 bits/sec, 0 bytes/sec, 0 packets/sec

  30 seconds output rate 0 bits/sec, 0 bytes/sec, 0 packets/sec

  Load-Interval #2: 5 minute (300 seconds)

    input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

  RX

    0 unicast packets  0 multicast packets  0 broadcast packets

    0 input packets  0 bytes

    0 jumbo packets  0 storm suppression bytes

    0 giants  0 input error  0 short frame  0 overrun   0 underrun

    0 watchdog  0 if down drop

    0 input with dribble  0 input discard

    0 Rx pause

  TX

    0 unicast packets  0 multicast packets  0 broadcast packets

    0 output packets  0 bytes

    0 jumbo packets

    0 output errors  0 collision  0 deferred  0 late collision

    0 lost carrier  0 no carrier  0 babble

    0 Tx pause

  0 interface resets


And an outpout for an interface that is working :


N5K# sh int eth1/7

Ethernet1/7 is up

  Hardware: 1000/10000 Ethernet, address:

  Description:

  MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ARPA

  Port mode is trunk

  full-duplex, 10 Gb/s, media type is 10G

  Beacon is turned off

  Input flow-control is off, output flow-control is off

  Rate mode is dedicated

  Switchport monitor is off

  EtherType is 0x8100

  Last link flapped 1week(s) 0day(s)

  Last clearing of "show interface" counters never

  30 seconds input rate 61184 bits/sec, 7648 bytes/sec, 41 packets/sec

  30 seconds output rate 109040 bits/sec, 13630 bytes/sec, 55 packets/sec

  Load-Interval #2: 5 minute (300 seconds)

    input rate 55.00 Kbps, 32 pps; output rate 162.62 Kbps, 74 pps

  RX

    28917792 unicast packets  6436428 multicast packets  2340725 broadcast packets

    37694945 input packets  9441476437 bytes

    1471043 jumbo packets  0 storm suppression bytes

    0 giants  0 input error  0 short frame  0 overrun   0 underrun

    0 watchdog  0 if down drop

    0 input with dribble  0 input discard

    0 Rx pause

  TX

    427409737 unicast packets  91135 multicast packets  414674 broadcast packets

    427915546 output packets  44591976368 bytes

    1729034 jumbo packets

    0 output errors  0 collision  0 deferred  0 late collision

    0 lost carrier  0 no carrier  0 babble

    0 Tx pause

  1 interface resets


Thanks for your help

vdsudame Fri, 07/13/2012 - 07:41
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Thanks. There could be an issue with line characters after copying over the config from your notepad in windows. You can refer to the following command


nexus# d?

  debug         Debugging functions

  debug-filter  Enable filtering for debugging functions

  delete        Delete a file or directory

  diff-clean    Remove temp files created by '| diff' filters

  dir           List files in a directory

  dos2nxos      DOS to NXOS text file format converter <<<<


nexus# dos2nxos ?

  bootflash:  Filename to be displayed

  debug:      Filename to be displayed

  modflash:   Filename to be displayed

  usb1:       Filename to be displayed

  volatile:   Filename to be displayed


since you copy the configs frequently, you can use the dos2nxos command to convert the file to nxos first and then use the file for configuration. Right now, try to modify the config manually on the switch interfaces and see if that helps. You either readd 'description' command under the interface and check if the port starts showing up in 'show int status' or modify or repaste the entire interface config and check if that works.


Thanks, Vinayak

Aret Avedis SET Mon, 07/16/2012 - 08:22
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Thanks for the support ! after readding the description on the interfaces, the sh int status is now ok !


Thanks again !

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