Monitoring IPv6-MAC mappings

Phil Mayers p.mayers at imperial.ac.uk
Wed Apr 3 17:39:11 CEST 2013


On 03/04/13 16:37, Jethro R Binks wrote:
> On Wed, 3 Apr 2013, Phil Mayers wrote:
>
>> On 02/04/13 14:39, Phil Mayers wrote:
>>
>>> optional!) and what products would people suggest / are people using?
>>> Bonus points for sensible handling of link-local addresses and subnets
>>> with >1 router.
>>
>> So it's interesting how many of the suggestions are "packet capture"
>> based, which of course requires access to the subnet layer2. My gut
>> feeling is that this is unworkable in a lot of enterprise networks - do
>> people concur?
>
> Related, I was thinking about things along the same lines.  One thought
> I've had in the back of my mind was to have a wee Shivaplug or similar
> device attached directly to each L3 router, into which the L2 vlans can be

Maybe. We just do it over SNMP (or CLI scripting in some cases). The 
code is pretty trivial.


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