I have built my own openwrt and noticed after the first boot that DHCP leases where given out for v6 ip adresses.
Is this a normal behavour? Should DHCP be active by default?
ramips mt76x8 Linkit Smart 7688 openwrt 19.7.2 r10947-65030d81f3
DHCP6 is active by default.
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Can you tell me why?
Because OpenWRT caters to all types of users, from those who need DHCP because they can't self configure their IPv6 network interfaces properly, to those who dream in binary.
Since you built your own image, you can probably modify either the default interface config files or odhcpd itself or even go ahead and just remove the package entirely if you don't need it.
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Is there a technical explanation about why IPv4 DHCP is not active and IPv6 is? I'm just curious.
By default they both are enabled.