Hi All. 
Thank you for the reply. 
I do agree that this information is not published via snmp.
Maybe it will be the first system to use telnet or ssh and do some text parsing. 

Its also a lot more reliable. 
That can be a great thing. 
Thanks again
David. 




Sent from my Samsung Galaxy smartphone.


-------- Original message --------
From: observium-request@observium.org
Date:11/09/2014 19:32 (GMT+02:00)
To: observium@observium.org
Cc:
Subject: observium Digest, Vol 50, Issue 45

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Today's Topics:

   1. Re: Maybe I got it Wrong. (Spencer Gaw)
   2. Re: Maybe I got it Wrong. (Tristan Rhodes)
   3. Re: Maybe I got it Wrong. (Tristan Rhodes)
   4. Manually edit the port name / description (Anthony Polselli)


----------------------------------------------------------------------

Message: 1
Date: Thu, 11 Sep 2014 08:18:54 -0600
From: Spencer Gaw <spencerg@frii.net>
To: Observium Network Observation System <observium@observium.org>
Subject: Re: [Observium] Maybe I got it Wrong.
Message-ID: <5411AF4E.7080506@frii.net>
Content-Type: text/plain; charset=windows-1252; format=flowed

You might want to read up on SNMP and how it operates. Observium does
not run commands on any device - it merely reports the data it gathers
via SNMP.

Regards,

SG

On 9/11/2014 4:31 AM, Dudu wrote:
> Hi All,
> I'm new here and I'm not sure about the port view. I can see the
> neighbours and computers on the vlan on right side , the command looks
> like show ip arp
>
> Maybe it's better to map the computer to the port itself? sh mac
> address-table
>
> So out of the box we will know which server is connected to which
> port. That could help to find VM's as well.
>
> Many Thanks
> David.
>
>
>
>
> _______________________________________________
> observium mailing list
> observium@observium.org
> http://postman.memetic.org/cgi-bin/mailman/listinfo/observium



------------------------------

Message: 2
Date: Thu, 11 Sep 2014 10:06:18 -0600
From: Tristan Rhodes <tristanrhodes@weber.edu>
To: Observium Network Observation System <observium@observium.org>
Subject: Re: [Observium] Maybe I got it Wrong.
Message-ID:
        <CALeA1nfH+R-g7JdeQ4UD9nbtv6cN87-1UVDhcxSAveJ4WHC3ZQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

David,

I think you had the same confusion as me, regarding how to find MAC
addresses of nodes (computers).

1) Start by clicking on the name of a device. (You can search for it on the
top right)

2) Click on the "Ports" tab.

3) If this is a router, there will be a tab called "ARP/NDP Table", this is
IPv4 and IPv6 mapping of MAC address to IP address.  If this device was
only a layer-2 switch, then this tab would not be displayed.

4) There is a tab called "FDB Table", this is the mapping of MAC address to
switchport.  (I have always called this the CAM table). Due to the
functionality of broadcasts, this will show every device in the same VLAN
(the MAC address is seen on switch uplinks)

However, I wish there was a node lookup tool that showed which switchport a
computer was plugged into. We should be able to identify the interface
closest to the computer by removing all interfaces that are CDP/LLDP
neighbors with another known network device. Does this make sense?

Cheers,

Tristan

*Tristan Rhodes*
Network Engineer
Weber State University
801.626.8549


On Thu, Sep 11, 2014 at 8:18 AM, Spencer Gaw <spencerg@frii.net> wrote:

> You might want to read up on SNMP and how it operates. Observium does not
> run commands on any device - it merely reports the data it gathers via SNMP.
>
> Regards,
>
> SG
>
>
> On 9/11/2014 4:31 AM, Dudu wrote:
>
>> Hi All,
>> I'm new here and I'm not sure about the port view. I can see the
>> neighbours and computers on the vlan on right side , the command looks like
>> show ip arp
>>
>> Maybe it's better to map the computer to the port itself? sh mac
>> address-table
>>
>> So out of the box we will know which server is connected to which port.
>> That could help to find VM's as well.
>>
>> Many Thanks
>> David.
>>
>>
>>
>>
>> _______________________________________________
>> observium mailing list
>> observium@observium.org
>> http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
>>
>
> _______________________________________________
> observium mailing list
> observium@observium.org
> http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
>
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------------------------------

Message: 3
Date: Thu, 11 Sep 2014 10:09:04 -0600
From: Tristan Rhodes <tristanrhodes@weber.edu>
To: Observium Network Observation System <observium@observium.org>
Subject: Re: [Observium] Maybe I got it Wrong.
Message-ID:
        <CALeA1nez1Qhc-CH+ZVcnkww14iybuJ-SyvDFc1n8j2eCF1b1LA@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

I made a mistake, the "ARP/NDP Table" is displayed for L2 switches, but it
will only contain management IP addresses.  (Sorry)

*Tristan Rhodes*
Network Engineer
Weber State University
801.626.8549


On Thu, Sep 11, 2014 at 10:06 AM, Tristan Rhodes <tristanrhodes@weber.edu>
wrote:

> David,
>
> I think you had the same confusion as me, regarding how to find MAC
> addresses of nodes (computers).
>
> 1) Start by clicking on the name of a device. (You can search for it on
> the top right)
>
> 2) Click on the "Ports" tab.
>
> 3) If this is a router, there will be a tab called "ARP/NDP Table", this
> is IPv4 and IPv6 mapping of MAC address to IP address.  If this device was
> only a layer-2 switch, then this tab would not be displayed.
>
> 4) There is a tab called "FDB Table", this is the mapping of MAC address
> to switchport.  (I have always called this the CAM table). Due to the
> functionality of broadcasts, this will show every device in the same VLAN
> (the MAC address is seen on switch uplinks)
>
> However, I wish there was a node lookup tool that showed which switchport
> a computer was plugged into. We should be able to identify the interface
> closest to the computer by removing all interfaces that are CDP/LLDP
> neighbors with another known network device. Does this make sense?
>
> Cheers,
>
> Tristan
>
> *Tristan Rhodes*
> Network Engineer
> Weber State University
> 801.626.8549
>
>
> On Thu, Sep 11, 2014 at 8:18 AM, Spencer Gaw <spencerg@frii.net> wrote:
>
>> You might want to read up on SNMP and how it operates. Observium does not
>> run commands on any device - it merely reports the data it gathers via SNMP.
>>
>> Regards,
>>
>> SG
>>
>>
>> On 9/11/2014 4:31 AM, Dudu wrote:
>>
>>> Hi All,
>>> I'm new here and I'm not sure about the port view. I can see the
>>> neighbours and computers on the vlan on right side , the command looks like
>>> show ip arp
>>>
>>> Maybe it's better to map the computer to the port itself? sh mac
>>> address-table
>>>
>>> So out of the box we will know which server is connected to which port.
>>> That could help to find VM's as well.
>>>
>>> Many Thanks
>>> David.
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> observium mailing list
>>> observium@observium.org
>>> http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
>>>
>>
>> _______________________________________________
>> observium mailing list
>> observium@observium.org
>> http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
>>
>
>
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------------------------------

Message: 4
Date: Thu, 11 Sep 2014 09:31:39 -0700
From: Anthony Polselli <Anthony@naturalnetworks.com>
To: "observium@observium.org" <observium@observium.org>
Subject: [Observium] Manually edit the port name / description
Message-ID:
        <5F7A4690004C254485214E63BB15D5E6016725AA57C6@NNSAN1SRV01.naturalnetworks.local>
       
Content-Type: text/plain; charset="us-ascii"

We have a Zyxel DSLAM ADSL switch and Observium is polling fine, but it doesn't pull the customer name field.  Is there a way (if I can figure out the OID) to add that to the polling or manual set a description for each ADSL port?

[cid:image001.jpg@01CFCDA3.30938010]
__________________________________________
Anthony Polselli, Chief Technology Officer
Natural Networks, Inc.
10225 Barnes Canyon Rd. Suite A105
San Diego, CA 92121
anthony@naturalnetworks.com<mailto:anthony@naturalnetworks.com>
http://www.naturalnetworks.com<http://www.naturalnetworks.com/>
(619) 222-3232 office
(858) 202-0301 fax

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