Re: SNMP only getting data every 15 seconds.

"Steve (Telsat Pacific)" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]> 
  Hi,

Thanks for the responses, it's very much appreciated.

The OID's I'm interested in are:

1.3.6.1.2.1.2.2.1.10.1
1.3.6.1.2.1.2.2.1.16.1

As mentioned, I tested this on another server as well last night and 
it's showing the same thing.  Both servers are running Debian 
(Net-install) with kernel version 2.6.26.

To install SNMP I ran the command: 'apt-get install snmpd'

The two servers it's installed on have different hardware configs and 
different lan card types so should be using different drivers.

The strange thing is that the tool I was using (STG SNMP Traffic 
Grapher) was working with a previous server really well; but I believe 
it was running Fedora (I cannot tell for sure).

Below is the output from snmpwalk.  I ran the command about once per 
second and each time it gave me the same result (it almost looks as if 
it was cached or something) and then around the 15 second mark, it then 
returned a new value.  This completly puzzles me.

Thanks
Steve.



svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2657410082
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658675896
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2658904975
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~# snmpwalk -v 2c -c public XXX.XXX.XXX.XXX 1.3.6.1.2.1.2.2.1.10.19
IF-MIB::ifInOctets.19 = Counter32: 2659095158
svr016:~#




On 29/09/2010 2:04 AM, Les Mikesell wrote:
> On 9/28/2010 8:35 AM, Ron Rader wrote:
>>> From: Telsat Pacific (Steve) [mailto:[email protected]]
>>> I've re-checked my config and even set up net SNMP on another server
>> and
>>> it's doing the same thing.  It will only give me output on the
>> interface
>>> bandwidth rates every 15 seconds.
>>     Quick scan through your config files didn't reveal anything obvious to
>> me.
>>
>>     I still think that snmpd is not the cause of your interface statistics
>> dynamics.  I suspect the underlying drivers have changed behavior.
>>
>>     Again, what specific MIB elements changed observed behavior between
>> different OS versions?
>
> And it still doesn't make any sense for counters to go back to 0 after
> being read. Maybe there is something wrong with the polling client. Do
> you see this if you use snmpwalk to read that oid several times quickly
> instead of whatever tool you are using?
>
>
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
> Version: 9.0.856 / Virus Database: 271.1.1/3163 - Release Date: 09/28/10 04:56:00
>

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