$ cat /etc/config/dhcp
config dnsmasq
option domainneeded '1'
option localise_queries '1'
option rebind_protection '1'
option rebind_localhost '1'
option local '/lan/'
option domain 'lan'
option expandhosts '1'
option authoritative '1'
option readethers '1'
option leasefile '/tmp/dhcp.leases'
option nonwildcard '1'
option localservice '1'
option cachesize '8000'
option mini_ttl '3600'
option dns_redirect '1'
option ednspacket_max '1232'
option localuse '1'
option noresolv '1'
list server '127.0.0.1#5333'
config dhcp 'lan'
option interface 'lan'
option start '100'
option leasetime '12h'
option limit '15'
option ra_slaac '1'
list ra_flags 'managed-config'
list ra_flags 'other-config'
option ndp 'hybrid'
option ra 'server'
option dhcpv6 'server'
option ra_management '1'
config dhcp 'wan'
option interface 'wan'
option ignore '1'
config dhcp 'wifi'
option start '100'
option leasetime '12h'
option interface 'wifi'
option limit '15'
config odhcpd 'odhcpd'
option maindhcp '0'
option leasefile '/tmp/hosts/odhcpd'
option leasetrigger '/usr/sbin/odhcpd-update'
option loglevel '4'