[snmp] OID for packets per second

[Shrouk Tharwat]

Hi,
I wanted to ask how can i use this stack for network discovery,i mean
like knowing the hosts within the same network? how can i implement a
snmp agent and if i can't implement it then what are the other
alternatives to get information which aren't defined using the pre
defined OID's.
Thanks
Shrouk Tharwat

On Fri, May 2, 2008 at 2:58 PM, Shrouk Tharwat <shrouk.tharwat at gmail.com> wrote:
>
> Hi
> Thanks for your reply it is really help. But I want to ask which methods get  the value of the ifInUcastPkts or the value of any OID ?
> Thanks
> Shrouk
> On Thu, May 1, 2008 at 11:26 AM, Ray Tran <ray at artran.co.uk> wrote:
>>
>> Hi Shrouk,
>> if I remember correctly you can't directly get the rate per second. You need to use the MIB-2 OID's to
>> repeatedly get the cumulative number of packets for each interface and divide by the time interval
>> between samples.
>> The OID's of interest are listed here: http://www.alvestrand.no/objectid/1.3.6.1.2.1.2.2.1.html.
>> I think that you are probably interested in 1.3.6.1.2.1.2.2.1.11 (ifInUcastPkts) and 1.3.6.1.2.1.2.2.1.17
>> (ifOutUcastPkts) but 1.3.6.1.2.1.2.2.1.12 (ifInNUcastPkts) and 1.3.6.1.2.1.2.2.1.18 (ifOutNUcastPkts)
>> may be interesting if you are using multicasting (including broadcasts).
>> Hope that helps.
>> On 30 Apr 2008, at 14:58, Shrouk Tharwat wrote:
>>>
>>> Hi Birgit,
>>> What i mean is that i need to plot the number of packets per REAL time
>>> second for the whole system including all interfaces . so does the OID of
>>> the IP input receives gets me the packets per second per interface or does
>>> it get the total number of packets since the system started up? and do u
>>> know how can i get by any means the number of  packets per second for a
>>> certain interval of time?
>>> Thanks;
>>> Shrouk
>>> On Thu, Apr 24, 2008 at 2:53 PM, Birgit Arkesteijn <birgit at westhawk.co.uk>
>>> wrote:
>>>>
>>>> Hi Shrouk,
>>>> I assume you mean the number of packet per second of an interface?
>>>> uk.co.westhawk.snmp.pdu.InterfaceGetNextPdu.java
>>>> gives you the speed, but that's
>>>> (number of octets transmitted & received) per second.
>>>> Not sure if that helps.
>>>> Cheers, Birgit
>>>> On 24/04/08 11:16, Shrouk Tharwat wrote:
>>>>>
>>>>> Dears;
>>>>> Does anyone know the OID for getting the number of packets per second??
>>>>> and
>>>>> if  its not possibe using the OID ,is there any other alternative?
>>>>> Thanks;
>>>>> Shrouk
>>>>
>>>> --
>>>> -- Birgit Arkesteijn, birgit at westhawk.co.uk,
>>>> -- Westhawk Ltd, Albion Wharf, 19 Albion Street, Manchester M1 5LN, UK
>>>> -- Company no: 1769350
>>>> -- Registered Office:
>>>> -- 15 London Road, Stockton Heath, Warrington WA4 6SJ. UK.
>>>> -- tel.: +44 (0)161 237 0660
>>>> -- <URL: http://www.westhawk.co.uk>
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>>
>> Regards,
>> --
>> Ray Tran
>> ray at artran.co.uk
>> www.artran.co.uk
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Best regards;