[TriLUG] OpenNMS and mapping

[John Turner]

You might also check out this one. I have not gotten around to trying 
it myself.

http://nodemap.internode.on.net/

John

On Nov 17, 2004, at 11:16 AM, Brandon Newport wrote:

> I have not used this product, but it looks like it could be useful in 
> your
> case...
>
> http://www.netdisco.org/
>
> -brandon
>
>
>
> gregbrown at mindspring.com (gregbrown at mindspring.com) wrote:
>>
>> Agreed, maps are evil - except when they are useful in a point 
>> situation like this.
>> Here's what is going on:
>>
>> 1 Company X, who I can't actually name for some legal reason, is 
>> migrating away from a
>> large, flat class B network to a new class B address range that is 
>> routed with a 24 bit
>> mask.
>> 2. There are multiple campuses seperated by large geographic areas 
>> but these multiple
>> campuses are still falt - i.e. the "old" class B has a 16 bit subnet 
>> mask and are all
>> connected via long-range FDDI.
>>
>> This all means that it is nearly impossible to tell if a given IP 
>> address is in, say,
>> zebulon, RTP, Durham, or any one of a zillion, it seems, other 
>> locations.
>>
>> The reason I want THIS map is for only one reason:
>>
>> to confirm that any one campus has fully migrated from the old 
>> network to the new
>> network.   The whole gigantic FDDI ring is going to start breaking up 
>> campus by campus
>> and I want to visually check to make sure there are not stragglers 
>> prior to turning the
>> power off to the FDDI switches.
>>
>> Going through DEC's bizarre interface to try to see where a MAC 
>> address is located is
>> just getting to costly in terms of time so I've opted to go the map 
>> route in this case.
>>
>> Unless anyone has any other suggestions.....
>>
>> Greg
>>
>>
>>
>> -----Original Message-----
>> From: Shane O'Donnell <shaneo at nc.rr.com>
>> Sent: Nov 17, 2004 11:43 AM
>> To: 'Triangle Linux Users Group discussion list' <trilug at trilug.org>
>> Subject: RE: [TriLUG] OpenNMS and mapping
>>
>> Both NetSaint/Nagios and OpenNMS' "aftermarket" mapping bolt-on are, 
>> to
>> reiterate the sentiment of the all-knowing Jon Carnes, kludgey at 
>> best.
>>
>> Depending on what you are trying to do and what level you are trying 
>> to map
>> -- yet another reason why maps are a bad idea in the first place, but 
>> I
>> digress -- checkout NetDisco (http://www.netdisco.org/)  They have a 
>> running
>> demo on their site and a screenshot available of UCSC's network, which
>> scales beyond the usefulness of maps -- yet another reason why maps 
>> are a
>> bad idea in the first place, but I digress...
>>
>> Network management is about information collection (active and 
>> passive) and
>> display for someone who requires that information to do their job.  
>> Maps are
>> for managers.  Unfortunately, managers also have purchasing budgets, 
>> so
>> tools that provide maps get bought and sit on the shelf while the 
>> people
>> that need the tools use OpenNMS, Nagios, MRTG, and the like to get 
>> their
>> work done.
>>
>> Don't get me started...
>>
>> Shane O.
>>
>> -----Original Message-----
>> From: trilug-bounces at trilug.org [mailto:trilug-bounces at trilug.org] On 
>> Behalf
>> Of Jon Carnes
>> Sent: Wednesday, November 17, 2004 11:13 AM
>> To: Triangle Linux Users Group discussion list
>> Subject: Re: [TriLUG] OpenNMS and mapping
>>
>> On Wed, 2004-11-17 at 11:02, gregbrown at mindspring.com wrote:
>>> Does OpenNMS graphically map out networks it manages?  If OpenNMS 
>>> does not
>> does anyone know of a OSS tool that would create graphical maps of a 
>> network
>> via autodiscovery?
>>>
>>> Greg
>>>
>> I run an older version of OpenNMS and it doesn't automap. Jaimie 
>> Livingston
>> demoed the latest version of NetSaint (not called that anymore) and 
>> it *did*
>> automap the network. Automap was cool, but a bit kludgey looking.
>>
>> Jon Carnes
>>
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