IPv6 equivalent to DHCP Option 82 for geolocating customer MACs to certain ports of Multi-port Layer 2 demarcation devices
nick at foobar.org
Mon May 9 10:54:32 CEST 2011
On 09/05/2011 06:44, Martin Millnert wrote:
> From a broadband access perspective, that would become each cust [link]
> in its own broadcast domain. Which is a desirable design goal IMO.
> Anything else, including various forms of filters, are essentially
> various forms of hacks (band-aids applied after the problem is created
> to mitigate the problem), until there is universal support for SeND,
Really, what we need is RA guard, DHCPv6 snooping and IPv6 neighbour
inspection, just like we use DHCP snooping and DAI in the ipv4 world.
These snooping protocols provide a 99% fix for operators' requirements.
SEND will never take off because it requires certificates. I.e. it's too
complicated for my mother to install on her DSL link.
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