Re: Collect data from physical switchports

Norbert,

As the others have said, you need to use a Provisioning Requisition to do
this. I just did nearly the same thing, but on a couple hundred Cisco
switches that have the "TenGigabitEthernet" and "GigabitEthernet" ports, so
here's some pointers that I have for you.

In the edit mode of a provisioning requisition, click on Edit Definition,
then Policies, then add policy.  Name it something that is meaningful to
you - I have mine called "EnableCollection".  Then you'll need to fill in
the following fields. Here's a picture of how I have mine.

[image: Inline image 1]

Note the value in the ifName field. This is a regular expression that will
enable collection on any interface beginning with "Te" (for
TenGigabitEthernet ports), "Gi" (for GigabitEthernet ports), "Po" (for any
Port-channel interface), and Vl77 (Vlan77, my management interface).

I couldn't get the automatic discovery to work properly and every time I
ran the scan with different IP subranges meant for different provisioning
requisitions, none of the switches would show up in the requisition. I
manually edited the xml files for each requisition in the
$OPENNMS_HOME/etc/imports folder, then refreshed the entire requisition.  I
created an Excel document to generate the xml string for each device in my
environment so modifying the etc/imports/*.xml files was as easy as copying
and pasting.

While we're on the same subject, if anyone else here has any idea why the
automated discovery would not add my switches to the requisition, I'd love
to hear them! I am new to OpenNMS and found that it was very difficult to
get setup the way I needed.

Hope this helps you, Norbert.

On Fri, Jan 12, 2018 at 3:55 AM, Norbert Steinhoff <
[email protected]> wrote:

> Thumbs up.
>
> That’s it.
>
>
> Thanks
> Norbert
>
> Am 12.01.2018 um 12:37 schrieb Ronny Trommer <[email protected]>:
>
> Hi Norbert,
>
> a way to do this is using a MatchingSnmpInterfacePolicy for the
> requisition your switches are in. The basic idea is for each physical
> interface is evaluated against some attributes. In the example attached
> I’ve enabled data collection for all interfaces with operstatus UP (1).
>
> You can do also enable those for interface types or a combination of them.
> If you want a little bit more control, you can also use a regex against the
> ifAlias which can be set on the device.
>
> Hope this helps.
>
>
> <interface-datacollection.png>
>
> On 12. Jan 2018, at 12:15, Norbert Steinhoff <[email protected]>
> wrote:
>
> Hi all,
>
> I'm looking for an easy solution for the following requirement:
>
> In our branches we use Cisco Routers with 4 Port switchcards (HWIC/NIM-ES4
> etc)
> The ports of these cards work as vlan trunk or for specific devices in
> access mode.
>
> By default, opennms does not collect metrics of these interfaces.
> I suggest because they have no ip assigned and so i need to activate
> datacollection
> manually in "Configure SNMP Data Collection per Interface"
>
> For hundreds of routers... uuuh
>
> Is there a way in the config of opennms to activate datacollection on all
> physical ports depending on a surveillance category (eg.
> DataCollect-SWitchports) ?
>
> Thanks in advance
> Norbert
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-- 
David

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