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SNMP Input Queue

Tim Schmidt
Level 1
Level 1

We have a stack setup with 2 C3750x-12s and 5 C3750x-48p switches.  We have two of these stacks.  One is working and responding with snmp just fine.  Our second one is showing the following errors in the log

%SNMP-3-INPUT_QFULL_ERR: Packet dropped due to input queue full.

The only difference i see between the two stacks right now are the sw versions.

it is as follows:

working stack

Switch Ports Model              SW Version            SW Image

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

     1 18    WS-C3750X-12S      12.2(58)SE2           C3750E-UNIVERSALK9-M

     2 18    WS-C3750X-12S      12.2(58)SE2           C3750E-UNIVERSALK9-M

     3 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSALK9-M

*    4 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSALK9-M

     5 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSALK9-M

     6 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSALK9-M

     7 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSALK9-M

non working stack

Switch Ports Model              SW Version            SW Image

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

*    1 18    WS-C3750X-12S      12.2(58)SE2           C3750E-UNIVERSALK9-M

     2 18    WS-C3750X-12S      12.2(58)SE2           C3750E-UNIVERSALK9-M

     3 54    WS-C3750X-48P      12.2(58)SE2           C3750E-UNIVERSALK9-M

     4 54    WS-C3750X-48P      12.2(58)SE2           C3750E-UNIVERSALK9-M

     5 54    WS-C3750X-48P      12.2(58)SE2           C3750E-UNIVERSALK9-M

     6 54    WS-C3750X-48P      12.2(58)SE2           C3750E-UNIVERSALK9-M

     7 54    WS-C3750X-48P      12.2(58)SE2           C3750E-UNIVERSALK9-M

I'm wondering at this point if there is an error with the 48p switches that have the 12.2(58)SE2 version on them.

I've verified all snmp settings.  I've also shut down snmp on the non working switch for a couple days and then brought it back on.  Thanks.

Message was edited by: Tim

to add to the above since i'm still having an issue communicating with this stack by snmp Location:

Server Stack 2

30723100 SNMP packets input   

0 Bad SNMP version errors   

7 Unknown community name    

0 Illegal operation for community name supplied   

0 Encoding errors    

14096760 Number of requested variables    

10 Number of altered variables    

3019655 Get-request PDUs    

146783 Get-next PDUs    

10 Set-request PDUs   

26712667 Input queue packet drops (Maximum queue size 1000)

5274917 SNMP packets output    

0 Too big errors (Maximum packet size 1500)    

6 No such name errors    

0 Bad values errors   

0 General errors    

4001322 Response PDUs    

1273595 Trap PDUs

SNMP global trap: disabled

2 Replies 2

Tim Schmidt
Level 1
Level 1

I'm still having the issue with this switch stack.  Just wondering if someone else may have encountered this.  Thanks.

I also have the same on C6509 Version 12.2(33)SXJ8

Fixed with this:

no snmp-server

snmp-server community readcomm RO

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