[Dnsmasq-discuss] Multiple Shared Networks?

[Rich Otero]

My dnsmasq server provides DHCP for more than one hundred subnets like this:

dhcp-range=set:172.18.14.0-24,172.18.14.0,static,255.255.255.0

dhcp-option=tag:172.18.14.0-24,option:router,172.18.14.1

dhcp-range=set:172.18.15.0-24,172.18.15.0,static,255.255.255.0

dhcp-option=tag:172.18.15.0-24,option:router,172.18.15.1

dhcp-range=set:172.18.16.0-24,172.18.16.0,static,255.255.255.0

dhcp-option=tag:172.18.16.0-24,option:router,172.18.16.1


I need to disconnect the dnsmasq server from each of those subnets while
continuing to provide reserved leases for clients in them, so I recently
upgraded from v2.75 to v2.87 to gain the shared-network option. I am
currently testing the change on one subnet and it is working as expected:

dhcp-range=set:172.18.15.0-24,172.18.15.0,static,255.255.255.0

dhcp-option=tag:172.18.15.0-24,option:router,172.18.15.1

shared-network=enp2s0,172.18.15.0


Ultimately, I will need the shared-network behavior for every subnet. Is it
allowed to have multiple shared-network directives in the config?

-Rich
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