[TriLUG] OpenNMS and mapping

[Brandon Newport]

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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