By default raspberrry use dhcp to get local ip address, to set manually local ip address open LX Terminal and run command below:
sudo nano /etc/network/interfaces
Find eth0 block
auto eth0
iface eth0 inet dhcp
and change to :
auto eth0
iface eth0 inet static
address 192.168.1.44 # <– your static local ip address
netmask 255.255.255.0
network 192.168.1.0 # <– network
broadcast 192.168.1.255
gateway 192.168.1.1 # <– router local ip address