hi dave,
btw: net-snmp-5.2.1, perl-5.8.6, SuSE 9.2
-ok, i can try specifying version.
... and ... doing that didn't change the result ... but your exercise got
me to focus more closely on what i'm doing ... and to realize that i
misreported what i was seeing in my previous message. contrary to my
earlier claim, the two requests are *not* identical ... in fact, in the
broken case, the request (in the packet trace) is for OID "0.1" ....
whereas in the working case the request is for the full OID:
".1.3.6.1.4.1.9.9.10.1.1.4.1.1.6.2.1"
-so ... at this point ... it's obvious why the agent returns NOSUCHOBJECT
guru> snmpget -c public -v 2c ja-b-rtr ciscoFlashPartitionFileCount.2.1
CISCO-FLASH-MIB::ciscoFlashPartitionFileCount.2.1 = Wrong Type (should be
Gauge32 or Unsigned32): INTEGER: 2
guru>
guru> cat test
#!/opt/vdops/bin/perl
use strict;
use warnings;
use SNMP;
my ($sess, $val);
$SNMP::dump_packet = 1;
$sess = new SNMP::Session ( Community => 'public',
DestHost => 'ja-b-rtr',
Version => '2c',
);
#$val = $sess->get(".1.3.6.1.4.1.9.9.10.1.1.4.1.1.6.2.1");
$val = $sess->get("ciscoFlashPartitionFileCount.2.1");
print "val = $val\n";
guru>
guru> ./test
Sending 36 bytes to UDP: [140.107.6.206]:161
0000: 30 22 02 01 01 04 06 70 75 62 6C 69 63 A0 15 02 0".....public...
0016: 04 00 EA B4 DB 02 01 00 02 01 00 30 07 30 05 06 ...........0.0..
0032: 01 01 05 00 ....
Received 36 bytes from UDP: [140.107.6.206]:161
0000: 30 22 02 01 01 04 06 70 75 62 6C 69 63 A2 15 02 0".....public...
0016: 04 00 EA B4 DB 02 01 00 02 01 00 30 07 30 05 06 ...........0.0..
0032: 01 01 80 00 ....
val = NOSUCHOBJECT
guru>
[traces posted to https://vishnu.fhcrc.org/net-snmp]
-ok, so the Perl client is having trouble converting the object value
ciscoFlashPartitionFileCount.2.1 into an OID ... it comes up with "0.1"
instead of the full ".1.3.6.1.4.1.9.9.10.1.1.4.1.1.6.2.1"
would you have any suggestions on how i might dig deeper from here?
--sk
stuart kendrick
fhcrc
On Mon, 25 Apr 2005, Dave Shield wrote:
> On Mon, 2005-04-25 at 03:12, Stuart Kendrick wrote:
> > i'm seeing a discrepancy in the value returned by a command-line
> > get versus a get originating from within the Perl SNMP.pm.
>
> Hmmm.... that looks somewhat strange.
> The two requests certainly look the same.
>
> All I can suggest is a difference in the SNMP version
> being used. Try specifying this explicitly in both cases.
>
>
> Otherwise, you might have to turn on debugging in the agent.
> Try dumping incoming packets, and compare these two requests.
> Can you spot anything that looks significant?
>
> Dave
>
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