pfSense

Do not do useless work before needed

When reconfiguring interfaces with dhcp types set try to kill any previous dhcp process of the interface already running

Do not cleanup states on this call

Define bogon tables where they should be

Use proper interface for reply-to in case of 6rd/6to4

Remove useless function calls

Unset the ip from the cache to retrieve the right ip

Correct get_interface_subnetv6 and use get_interface_ipv6 during dhcp config generation. Also initialize some arrays to avoid warnings

If gatway is dynamic the type cannot be determined, trim the code trying to do something impossible. While here optimize a bit

Try to remove as much as possible _stf special case through the code