How to enable ipv6 in Openwrt

foxtokyo · August 10, 2025, 11:27am

config interface 'loopback'

    option device 'lo'

    option proto 'static'

    option ipaddr '127.0.0.1'

    option netmask '255.0.0.0'

config globals 'globals'

    option ula_prefix 'fd8e:5de9:2880::/48'

    option packet_steering '1'

config device

    option name 'br-lan'

    option type 'bridge'

    list ports 'lan1'

    list ports 'lan2'

config interface 'lan'

    option device 'br-lan'

    option proto 'static'

    option ipaddr '192.168.1.1'

    option netmask '255.255.255.0'

    option ip6assign '60'

config interface 'wan'

    option device 'wan'

    option proto 'dhcp'

config interface 'wan6'

    option device 'wan'

    option proto 'dhcpv6'

    option reqaddress 'try'

    option reqprefix 'auto'

    option norelease '1'

    option extendprefix '1'

    option ip6assign '64'

cat /etc/config/dhcp

config dnsmasq

    option domainneeded '1'

    option boguspriv '1'

    option filterwin2k '0'

    option localise_queries '1'

    option rebind_protection '1'

    option rebind_localhost '1'

    option local '/lan/'

    option domain 'lan'

    option expandhosts '1'

    option nonegcache '0'

    option cachesize '1000'

    option authoritative '1'

    option readethers '1'

    option leasefile '/tmp/dhcp.leases'

    option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'

    option nonwildcard '1'

    option localservice '1'

    option ednspacket_max '1232'

    option filter_aaaa '0'

    option filter_a '0'

config dhcp 'lan'

    option interface 'lan'

    option start '100'

    option limit '150'

    option leasetime '12h'

    option dhcpv4 'server'

    option dhcpv6 'server'

    option ra 'server'

    list ra_flags 'managed-config'

    list ra_flags 'other-config'

    option ndp 'relay'

config dhcp 'wan'

    option interface 'wan'

    option ignore '1'

config odhcpd 'odhcpd'

    option maindhcp '0'

    option leasefile '/tmp/hosts/odhcpd'

    option leasetrigger '/usr/sbin/odhcpd-update'

    option loglevel '4'

config dhcp 'wan6'

    option interface 'wan6'

    option ignore '1'

    option master '1'

    option ra 'relay'

    option dhcpv6 'relay'

    option ndp 'relay'

There are my settings

@mvasek

Let me know if this is good

Thank you