SNMP Octet string

[rboersma]

Hi,

I want to read a temp sensor on a qnap-nas. This is an octet string value stored as:
0x33 36 A2 58 43 2F 39 36 A2 58 46 (which is hex)
If use the mibbrowser for the oid .1.3.6.1.4.1.24681.1.2.11.1.3.1 i'm getting back the following value 28 XC/82 XF

If i create an item in zabbix, i'll only recieve a vlaue back when i set it to text. Numeric fails with:
Type of received value [33 32 A2 58 43 2F 38 39 A2 58 46] is not suitable for value type [Numeric (integer 64bit)]

The first value of the string (33) is, i think, the temperature.
Can anyone guide me here? I'm a bit new to this kind of monitoring.

EDIT:
If i convert the hex string (without the blank spaces) here :http://www.string-functions.com/hex-string.aspx
It gives me the right output: 29¢XC/84¢XF
How do I manage this in Zabbix so that it displays the human readable format?

[ruswold]

Hi,

I want to read a temp sensor on a qnap-nas. This is an octet string value stored as:
0x33 36 A2 58 43 2F 39 36 A2 58 46 (which is hex)
If use the mibbrowser for the oid .1.3.6.1.4.1.24681.1.2.11.1.3.1 i'm getting back the following value 28 XC/82 XF

If i create an item in zabbix, i'll only recieve a vlaue back when i set it to text. Numeric fails with:
Type of received value [33 32 A2 58 43 2F 38 39 A2 58 46] is not suitable for value type [Numeric (integer 64bit)]

The first value of the string (33) is, i think, the temperature.
Can anyone guide me here? I'm a bit new to this kind of monitoring.

EDIT:
If i convert the hex string (without the blank spaces) here :http://www.string-functions.com/hex-string.aspx
It gives me the right output: 29¢XC/84¢XF
How do I manage this in Zabbix so that it displays the human readable format?

Version of zabbix server?

[rboersma]

Sorry,

version 1.8.2 appliance.

edit: i believe net-snmp should determine by itself to interpret this as human readable. Could it be that the blank spaces confuse net-snmp?
http://www.net-snmp.org/wiki/index.p...from_the_tools

[ruswold]

Sorry,

version 1.8.2 appliance.

In zabbix 1.8.3 it's resolved, but in 1.8.2 don't worked.

https://support.zabbix.com/browse/ZBX-2452

[rboersma]

Thanks,

Good to know that i was looking in the right direction.

[Sparky]

Posting on an old thread because I seem to have a similar problem. When using a MIB Browser, this is the raw data returned

OID: .1.3.6.1.4.1.6889.2.8.1.25.6.0
Value: 2010-09-28 01:00:10
Type: OctetString

But when setting this in Zabbix to anything but text, it does not return a value. Using text returns the correct string.

How do I add a trigger that will alert me if the date is not showing as today? Zabbix is version 1.8.3

[richlv]

possibly related issue : https://support.zabbix.com/browse/ZBXNEXT-1046

[niceguy]

I have the same issue witch the octet string value from the konica printer.
Is this problem solved ?