[Dnsmasq-discuss] Dnsmasq, multiple subnets/gateways and option 82

Keith Lyons klyons45 at gmail.com
Thu May 11 01:40:07 BST 2017


I recently built a DHCP server using Dnsmasq on Centos7 VM and had a
question about having more than one subnet and gateway

We are using Option82 for 15 devices on each subnet, at this time only one
subnet is active but I expect that the other two subnets will need to be
active in the very near future.

Currently I have  dhcp-option=3, set for the active subnet, I
will need to add and for the others as they come
online. I have seen some other posts about utilizing multiple nics, each
assigned to one of the subnet, is this the best
way to accomplish what I am attempting to do?

There will be nothing else requesting DHCP from the server, only the 15
devices - the other two subnets will be similar to this.


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