DHCP Support on L2 Switch
Ricardo Stella
stella at rider.edu
Wed May 16 12:59:01 UTC 2007
Tim Peiffer wrote:
> We run an internal address tracking method that is accurate to within 2
> minutes of traffic inception on our net. We do this by scraping arp
> tables on the routers, mac-address forwarding tables on switches, and
> inferring sessions of 'time to the IP to the MAC to the port to the
> jack/circuit'. We do this at the scale of approximately 75,000 access
> ports. We have searched for years for commercial products to do what we
> do - none were available that could scale or met our requirements. DHCP
> Option-82 in an enforced environment brings all of the above attributes
> together (date/time, IP, MAC, circuit) and is accurate to within seconds
> of when the IP traffic comes on the wire.
>
>
>
Is there any of these codes publicly available ? TIA...
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