04-19-2012 08:35 AM
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
06-27-2012 10:37 AM
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.
06-27-2012 01:16 PM
Found the cause. The snmp process crashed on the N7K.
06-28-2012 08:09 AM
What is the fix for it? I was thinking to upgrade to the latest release.
10-21-2012 12:28 AM
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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