From: jj@franjam.org.uk
Sorry for late response ....
On 2025-02-18, Adrian wrote:
> In message , Jim Jackson
> writes
>>On 2025-02-17, Adrian wrote:
>>> I'm trying to access a TP link access point to get some basic data from
>>> it.
>>>
>>> According to TP Link, I need the rfc1213 mib, which I've downloaded and
>>> put in my ~/.snmp/mibs directory
>>>
>>> However :
>>>
>>> $ snmpget -v 1 -Cf -c public $IPADDRESS rfc1213.mib::ifInOctets
>>> rfc1213.mib::ifInOctets: Unknown Object Identifier
>>>
>>> greping on the file shows that I do have entries for ifInOctets.
>>>
>>> Changing ifInOctets to something else (e.g. Time ticks) gives me the
>>> same result, but using the long number (1.3.6.1.2.1.1.3.0) works. As
>>> I'm not sure what ifInOctets translates to, I can't readily use the
>>> number instead.
>>>
>>> Having spent half the afternoon rummaging around on the 'net with no
>>> clear (to me) answer, I'm here.
>>>
>>> Suggestions on where to continue welcomed.
>>>
>>
>>Yes SNMP can be a pain. The info in that mib often is a table of values,
>>one per interface, and you need to know the interface table index to get
>>one value.
>>
>>However you can get all the table in one go by doing an snmpwalk. It a
>>long time since I did snmp monitoring - I have written C-code to gather
>>and display interface data stats, but the numbers are not at my finger
>>tips any more. However I googled and got the number string
>>
>> 1.3.6.1.2.1.2.2.1.10
>>
>>so try
>>
>> snmpwalk -v1 -c public $IPadd 1.3.6.1.2.1.2.2.1.10
>>
>>Here's what my VDSL router gave back ...
>>
>>IF-MIB::ifInOctets.49 = Counter32: 0
>>IF-MIB::ifInOctets.50 = Counter32: 1622068159
>>IF-MIB::ifInOctets.51 = Counter32: 0
>>IF-MIB::ifInOctets.52 = Counter32: 1989775457
>>IF-MIB::ifInOctets.53 = Counter32: 3244444578
>>IF-MIB::ifInOctets.54 = Counter32: 3582643404
>>IF-MIB::ifInOctets.55 = Counter32: 46130557
>>IF-MIB::ifInOctets.56 = Counter32: 3610089600
>>IF-MIB::ifInOctets.1000 = Counter32: 0
>>IF-MIB::ifInOctets.1001 = Counter32: 0
>>IF-MIB::ifInOctets.1002 = Counter32: 0
>>IF-MIB::ifInOctets.1003 = Counter32: 0
>>
>>and if you want the mib numbers ...
>>
>> snmpwalk -On -v1 -c public $IPadd 1.3.6.1.2.1.2.2.1.10
>>.1.3.6.1.2.1.2.2.1.10.49 = Counter32: 0
>>.1.3.6.1.2.1.2.2.1.10.50 = Counter32: 1622073446
>>.1.3.6.1.2.1.2.2.1.10.51 = Counter32: 0
>>.1.3.6.1.2.1.2.2.1.10.52 = Counter32: 1989775457
>>.1.3.6.1.2.1.2.2.1.10.53 = Counter32: 3244454443
>>.1.3.6.1.2.1.2.2.1.10.54 = Counter32: 3582665247
>>.1.3.6.1.2.1.2.2.1.10.55 = Counter32: 46131353
>>.1.3.6.1.2.1.2.2.1.10.56 = Counter32: 3610126193
>>.1.3.6.1.2.1.2.2.1.10.1000 = Counter32: 0
>>.1.3.6.1.2.1.2.2.1.10.1001 = Counter32: 0
>>.1.3.6.1.2.1.2.2.1.10.1002 = Counter32: 0
>>.1.3.6.1.2.1.2.2.1.10.1003 = Counter32: 0
>>
>>
>>And to dump all the interface numbers is all the gory details try ...
>>
>> snmpwalk -v1 -c public O 1.3.6.1.2.1.2.2.1
>>
>> or add -On for the number numbers.
>>
>>Happy playing it can be quite fun and often very frustrating!
>>
>>Jim
>>
>
> Thanks for the reply.
>
> Trying that I get :
>
> snmpwalk -v1 -c public $IPadd 1.3.6.1.2.1.2.2.1.10
> iso.3.6.1.2.1.2.2.1.10.1 = Counter32: 480
> iso.3.6.1.2.1.2.2.1.10.2 = Counter32: 0
> iso.3.6.1.2.1.2.2.1.10.3 = Counter32: 0
> iso.3.6.1.2.1.2.2.1.10.4 = Counter32: 0
> iso.3.6.1.2.1.2.2.1.10.5 = Counter32: 0
> iso.3.6.1.2.1.2.2.1.10.6 = Counter32: 47834339
> iso.3.6.1.2.1.2.2.1.10.7 = Counter32: 28162230
> iso.3.6.1.2.1.2.2.1.10.8 = Counter32: 21747742
> iso.3.6.1.2.1.2.2.1.10.9 = Counter32: 0
> iso.3.6.1.2.1.2.2.1.10.10 = Counter32: 0
>
> and
>
> snmpwalk -On -v1 -c public $IPadd 1.3.6.1.2.1.2.2.1.10
> .1.3.6.1.2.1.2.2.1.10.1 = Counter32: 480
> .1.3.6.1.2.1.2.2.1.10.2 = Counter32: 0
> .1.3.6.1.2.1.2.2.1.10.3 = Counter32: 0
> .1.3.6.1.2.1.2.2.1.10.4 = Counter32: 0
> .1.3.6.1.2.1.2.2.1.10.5 = Counter32: 0
> .1.3.6.1.2.1.2.2.1.10.6 = Counter32: 47855251
> .1.3.6.1.2.1.2.2.1.10.7 = Counter32: 28168496
> .1.3.6.1.2.1.2.2.1.10.8 = Counter32: 21766531
> .1.3.6.1.2.1.2.2.1.10.9 = Counter32: 0
> .1.3.6.1.2.1.2.2.1.10.10 = Counter32: 0
>
>
If you smnpwalk these strings can get more information ...
1.3.6.1.2.1.2.2.1.1
ifIndex tells you the valid indexes - last numbers of the "tables".
1.3.6.1.2.1.2.2.1.2
ifDescr gives descriptions of the interfaces
1.3.6.1.2.1.2.2.1.3
ifType gives the types of interfaces
1.3.6.1.2.1.2.2.1.5
ifSpeed gives the interfaces speed
1.3.6.1.2.1.2.2.1.8 ifOperStatus status of interface
1.3.6.1.2.1.2.2.1.10 ifInOctets
1.3.6.1.2.1.2.2.1.16 if OutOctets
There are others. Hope you are getting results.
--- SoupGate-DOS v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
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