[Dnsmasq-discuss] Tag requests for a DHCP address from devices using a Locally Administered MAC address

dev at lutean.com dev at lutean.com
Mon Jul 27 21:38:01 BST 2020


> Thanks!
> 
> Do I understand correctly, in order to ignore "laa-unicast" MACs, a user
would define this ?
> 
> # Block unicast LAA-presenting devices
> dhcp-ignore=tag:laa,tag:!multicast

Yes, that would work.

Although it is by no means clear to me that it makes sense to accept a DHCP
request from a device with a LAA multicast address.

> 
> Lonnie
> 
> BTW, here is a good article on this "Random MAC Address" topic:
>
https://community.cisco.com/t5/security-documents/random-mac-address-how-to-
deal-with-it-using-ise/ta-p/4049321




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