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New Member

Unable to poll SNMP data from Nexus 7010

I have two Nexus 7010 in the data center. I'm unable to poll SNMP data from one of the NEXUS 7010s. The other Nexus 7010 is working fine.  I have compared the SNMP configurations, and they are identical. When I do "show snmp" on the non-working switch, I have SNMP packets in "Unknown Context name", not sure why. I have done show vdc and it matches the working switch output.

Here is output of show snmp from the non-working switch:

133 SNMP packets input
        0 Bad SNMP versions
        0 Unknown community name
        0 Illegal operation for community name supplied
        0 Encoding errors
        0 Number of requested variables
        0 Number of altered variables
        0 Get-request PDUs
        0 Get-next PDUs
        0 Set-request PDUs
        0 No such name PDU
        0 Bad value PDU
        0 Read Only PDU
        0 General errors
        0 Get Responses
        133 Unknown Context name
0 SNMP packets output
        0 Trap PDU
        0 Too big errors
        0 No such name errors
        0 Bad values errors
        0 General errors
        0 Get Requests
        0 Get Next Requests
        0 Set Requests
        0 Get Responses
        0 Silent drops


Community            Group / Access      context    acl_filter
---------            --------------      -------    ----------
xxxxxxxxxx          network-admin       v.e       
yyyyyy              network-operator    v.e       


______________________________________________________________
                  SNMP USERS
______________________________________________________________

User                          Auth  Priv(enforce) Groups                       
____                          ____  _____________ ______                       
josh                          md5   des(no)       network-admin                

admin                         md5   des(no)       network-admin                

carol                         md5   des(no)       network-admin                

fasih                         md5   des(no)       network-admin                

______________________________________________________________
NOTIFICATION TARGET USERS (configured  for sending V3 Inform)
______________________________________________________________

User                          Auth  Priv
____                          ____  ____


SNMP Tcp Authentication Flag : Enabled.

-------------------------------------------------------------------------------------------
Port Monitor : enabled
-------------------------------------------------------------------------------------------

Policy Name  : default                        
Admin status : Not Active
Oper status  : Not Active
Port type    : All Ports
-------------------------------------------------------------------------------------------
Counter          Threshold  Interval Rising Threshold event Falling Threshold  event In Use   
-------          ---------  -------- ---------------- ----- ------------------ ----- ------   
Link Loss        Delta      60       5                4     1                  4     Yes      
Sync Loss        Delta      60       5                4     1                  4     Yes      
Protocol Error   Delta      60       1                4     0                  4     Yes      
Signal Loss      Delta      60       5                4     1                  4     Yes      
Invalid Words    Delta      60       1                4     0                  4     Yes      
Invalid CRC's    Delta      60       5                4     1                  4     Yes      
RX Performance   Delta      60       2147483648       4     524288000          4     Yes      
TX Performance   Delta      60       2147483648       4     524288000          4     Yes      
-------------------------------------------------------------------------------------------

SNMP protocol : Enabled

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4 REPLIES
New Member

Unable to poll SNMP data from Nexus 7010

Did you ever get this resolved? We have a pair of 7010s that were working just fine with snmpv3 and then one of them stopped authenticating. I have stripped the snmp configs and reapplied to no avail.

New Member

Unable to poll SNMP data from Nexus 7010

Found the cause. The snmp process crashed on the N7K.

New Member

Unable to poll SNMP data from Nexus 7010

What is the fix for it?  I was thinking to upgrade to the latest release. 

New Member

Unable to poll SNMP data from Nexus 7010

Hi,

This issue is pretty likely caused by a Bug existing in NX-OS 4.x and 5.x: CSCti07871

A workaround is to completely remove the SNMP community configuration and reapply only the necessary part.

Regards,

Daniel

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