Darn autocorrect.  SNMP not snap.
On Oct 24, 2014 12:32 PM, "Forrest Christian (List Account)" <
[email protected]> wrote:

> Before you do that I'd look at what is coming back via snap via a
> wireshark or similar.
>
> If you zeroed an expansion module in the middle of the list, then all of
> the oids for devices after that entry in the list would have shifted to a
> lower number.
>
> The sitemonitor assigns oids based on its knowledge of how many of each
> i/o type each device takes.  It remembers this even if the device isn't
> attached anymore.  By zeroing a device in the middle, it reassigns oids
> after that point in the table, since it doesn't have the zeroed device info
> as a placeholder.
> On Oct 24, 2014 12:01 PM, "Bill Prince via Af" <[email protected]> wrote:
>
>>  You think you're confused.
>>
>> I did not change the community string, and it works from the CLI and/or
>> through the realtime plugin.� The device shows as UP, and I use "SNMP or
>> ping" as up/down detection.
>>
>> I also tried changing the SNMP timeout to 1000 ms.� All that did was
>> change the error log to this:
>>
>> 10/24/2014 11:29:22 AM - SPINE: Poller[0] Host[703] TH[1] DS[12223]
>> WARNING: SNMP timeout detected [1000 ms], ignoring host '10.13.114.254'
>>
>> I've tried "SNMP Uptime", "SNMP Desc", and "SNMP getNext" as well.� On
>> the Device Management screen, it retrieves the correct SNMP information.�
>> The only think that seems to not be working is the polling through spine.
>>
>> I'm curious why zeroing the serial number of a non-existent expansion
>> unit caused this problem.
>>
>> I've also rebooted the SiteMonitor at least a couple of times to no
>> effect.
>>
>> My next thing will be to just replace the SiteMonitor with a spare.�
>> It's all the way down in town, so that is a half-day time hit.
>>
>> bp
>>
>> On 10/24/2014 11:16 AM, George Skorup (Cyber Broadcasting) via Af wrote:
>>
>> I am thoroughly confused. Is your community string correct? Can you
>> increase the device SNMP timeout, like 1000ms instead of 250ms. What's your
>> device down detection set to? Is it showing down in the device list?
>>
>> I have seen some base units go kinda screwy and respond slower and a
>> reboot doesn't fix it, they needed a power-cycle.
>>
>> On 10/24/2014 11:25 AM, Bill Prince via Af wrote:
>>
>> Now thrice.
>>
>> No joy in Mudville.
>>
>> bp
>>
>> On 10/24/2014 8:07 AM, Bill Prince via Af wrote:
>>
>> Yah.� Twice now.
>>
>> bp
>>
>> On 10/23/2014 11:06 PM, George Skorup (Cyber Broadcasting) via Af wrote:
>>
>> Gotta be the poller cache. Did you try a rebuild?
>>
>> On 10/23/2014 11:03 PM, Bill Prince via Af wrote:
>>
>> Getting closer.� When I look in the SNMP cache, there is no entry for
>> the device.
>>
>> Looking in the log (without debug), I get:
>>
>> 10/23/2014 08:34:25 PM - SPINE: Poller[0] Host[797
>> <http://10.13.112.20/host.php?action=edit&id=797>] TH[1] DS[12316
>> <http://10.13.112.20/data_sources.php?action=ds_edit&id=12316>] WARNING:
>> SNMP timeout detected [250 ms], ignoring host '10.13.114.254'
>>
>> So there is something causing the SNMP request to barf inside cacti.�
>> When I do an snmpget from the CLI, it all looks fine.� Likewise, the
>> realtime plugin is working fine too.
>>
>> So when realtime is doing the SNMP queries outside the poller, they are
>> fine.� Just when spine is doing the SNMP requests.
>>
>>
>> bp
>>
>> On 10/23/2014 4:12 PM, George Skorup (Cyber Broadcasting) via Af wrote:
>>
>> You divided by zero, didn't you?
>>
>> Are you sure your modules are in the same order as before?
>>
>> On 10/23/2014 1:29 PM, Bill Prince via Af wrote:
>>
>>
>> I noticed an "Expansion Unit" on one of my SiteMonitors this morning.�
>> It said something about "Device Removed" or something like that.
>>
>> Remembering the discussion the other day on this topic, I put a "0" in
>> the Serial # for the non-existent unit, rescanned, & rebooted.
>>
>> Now, none of the OIDs work in Cacti.� If I do a simple snmpget on any
>> of the OIDs that I use, the correct information comes back. Several of the
>> OIDs are on the base unit anyway, so they would not have moved, and
>> further, the OIDs don't reference the serial number.
>>
>> So... what did I do, and how do I fix it?
>>
>>
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