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57365 Views 2 Replies Latest reply: Oct 22, 2009 4:31 PM by interploy69 RSS
interploy69 Newbie
interploy69
Currently Being Moderated

Oct 6, 2009 3:28 PM

snmpwalk Timeout: No response from...

Hello,

 

I'm having trouble getting snmp configured for one of my servers. I'm able to get a result from the command "snmpwalk localhost -c public -v1" on the machine itself, but I'm unable to get anything but a timeout error when using the snmpwalk command in Zenoss.

 

I've looked through the "Configuration of NetSnmp for use with Zenoss" (docs/DOC-2502) and "How to Troubleshoot SNMP" (docs/DOC-2538) documentation and used the suggested configurations. I've also double-checked my user/pass settings in the device's zProperties, but am still unable to get a response.

 

It's a *nix boxed used for storage, so no mysql/apache/etc. Does anyone have any idea what else might be causing the problem?

 

Thanks.

-interploy

Tags: configuration, timeout, snmpwalk
  • mwcotton Rank: Brown Belt
    mwcotton
    563 posts since
    Apr 23, 2008
    Currently Being Moderated
    1. Oct 6, 2009 9:53 PM (in response to interploy69)
    Re: snmpwalk Timeout: No response from...

    Make sure your zenoss server is listed in the snmp configuration on the target server as an allowed snmp management station.

    Make sure the snmp community string you are using is correct.

    Make sure the snmp version you are specifiying on the snmpwalk command and what you have set in zenoss is correct.

    Make sure there is no firewall running on the target server or the zenoss server that maybe blocking snmp traffic

    And of course make sure there is no real firewall between your zenoss server and the target server blocking snmp traffic.

    Google on nmap and if available on the zenoss server, us it to check and see if Zenoss can see the snmp port open on the target server.

     

    ( I notice your example says v1 most new stuff uses at least v2c )

  • interploy69 Newbie
    interploy69
    Currently Being Moderated
    2. Oct 22, 2009 4:31 PM (in response to mwcotton)
    Re: snmpwalk Timeout: No response from...

    Hi mwcotton,

     

    Thanks for the reply (and sorry for the lateness of mine, I was pulled to a separate project for a while).

     

    I went through your suggestions and verified the community strings and that there were no firewall issues. Nmap wasn't able to see a port for the server either.

     

    However, I did finally stumble on the answer.

     

    While I didn't realize it was important at the time, my machine is an Ubuntu server, and aparently there is a separate file that needs to be edited just for this flavor of linux, otherwise snmp won't read anything but localhost.

     

    For anyone with a similar problem and usng ubuntu, see this thread I found for the fix: message/12882

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