Layer 2 connectivity awareness?

[Lee Azzarello]

On Wed, Mar 11, 2009 at 1:07 PM, RijilV <rijilv at riji.lv> wrote:
> 2009/3/11 Victor Lee <durendel at gmail.com>
>>
>> In the course of my learning (just starting out) how to work with Nagios I
>> have found that it isn't aware of layer 2 connections. In other words, if I
>> have 2 switches with a trunk between them Nagios doesn't seem to provide me
>> a way to either note that manually on the map nor does it seem to be aware
>> of that type of connectivity. The same applies to servers, there doesn't
>> seem to be a way to identify which switch a server is connected to. Now I
>> admit this might be due to my limited knowledge of the product so I ask the
>> members here. Am I correct in this assessment?
>>
>
>
>
> I think most people give up on the nagios map pretty quickly, or at the most
> setup a few partent/child hosts and leave it at that.

Agreed. Parent-child relationships are useful to get a bigger picture
of points of failure, for example if a web proxy has 5 app servers
behind it, 6 hosts will go down if that proxy fails.

-lee

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