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SNMP v3?
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Mark.



Joined: 03 Jul 2007
Posts: 45
Location: San Luis Obispo

PostPosted: Thu Jan 03, 2008 12:40 pm    Post subject: Reply with quote

I'm having problems with this.

I have configured cacti (via web interface) to poll a device using snmpv3, md5 and des. From the cacti server, cli, I can snmpwalk this device using these settings (md5, des, authPriv).

Cacti is able to see the device and I was able to create graphs. I even get SNMP Information from the host....
Looking at the Graphs, I don't get anything.

NAN

Running:
CentOS
0.8.7a
NET-SNMP version: 5.1.2
RRDTool 1.2.x
THOLD Plugin
Settings Plugin
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gandalf
Developer


Joined: 02 Dec 2004
Posts: 12205
Location: Muenster, Germany

PostPosted: Thu Jan 03, 2008 2:15 pm    Post subject: Reply with quote

Please see second link of my signature to debug
Reinhard
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Mark.



Joined: 03 Jul 2007
Posts: 45
Location: San Luis Obispo

PostPosted: Thu Jan 03, 2008 4:00 pm    Post subject: Reply with quote

Thanks for the heads up...

I found your article and went through all steps-thanks I'm learning lots.

Debug log shows:

01/03/2008 12:45:07 PM - CACTID: Poller[0] Host[97] DS[1257] WARNING: SNMP timeout detected [500 ms], ignoring host 'itdlas1'

01/03/2008 12:45:07 PM - CACTID: Poller[0] Host[97] DS[1257] SNMP: v3: itdlas1, dsname: fdb_size, oid: .1.3.6.1.4.1.2272.1.14.2.0, value: U

This relates to your section 11:

Secondly, the script was taking several seconds to run. So cacti was logging a "U" for unparseable in the debug output, and was recording NAN. So my fix there was to make the script run faster - it has to complete in less than one second, and the age of my box make that hard.

My box is fairly new but when I use SNMPv3 to manage my equipment I notice that it does take at least a couple seconds to log in so that I can use it.
When I SNMPGET this OID from the cacti server (cli) it runs VERY FAST. It's instantaneous. I don't see that it's taking too long at all when running from the cli.

Also...my poller is SPINE.

What should I do? SNMPV2 worked great, this is just an upgrade-not a new host or installation.
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gandalf
Developer


Joined: 02 Dec 2004
Posts: 12205
Location: Muenster, Germany

PostPosted: Thu Jan 03, 2008 4:06 pm    Post subject: Reply with quote

To be honest, my own experience is from creating the documentation only. Not yet used SNMP V3 in our production environment. You may post a request for information in the general forum to see what others are experiencing
Reinhard
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Mark.



Joined: 03 Jul 2007
Posts: 45
Location: San Luis Obispo

PostPosted: Thu Jan 03, 2008 5:30 pm    Post subject: Reply with quote

Will do...thank you.
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