Monitoring IPv6-MAC mappings

[Tim Chown]

On 2 Apr 2013, at 14:39, Phil Mayers <p.mayers at imperial.ac.uk> wrote:

> All,
> 
> I had a couple of queries about my recent post asking how we did this, which surprised me; I thought it was a pretty tractable problem. We use a (very simple) bespoke system, but I was under the impression most people used one of the various open-source or commercial offerings (e.g NAV, Slaacer, and the like).

We use NAV, having largely Cisco equipment.

> However - I then found I had trouble locating these in Google, perhaps because I wasn't picking the right terms, but maybe they don't have good Google Juice?

NAV is at https://nav.uninett.no/. You can roll your own or use a Debian packaged system.  

> On that basis, what term(s) would people use to refer to systems that poll the network to record which MAC adress is using what IP (IPv6, IPv4 optional!) and what products would people suggest / are people using? Bonus points for sensible handling of link-local addresses and subnets with >1 router.

Always just called it a network monitoring system. 

> [Bear in mind I don't need a product personally - we have in-house systems that do this - and things like RADIUS and DHCP logs are not quite what I mean]
> 
> Does anyone have suggestions for a good home that list could live, so it could get decent search engine rankings? It was suggested to me that some people consider lack of such monitoring a "blocker", so making these more find-able would be a plus.

That couldn't hurt :)

Tim


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