openvpn connect but ip does not change!!

hello

i have installed openvpn on mikrotik 5.7
it connects but my ip dose not change

this is my client config file

proto tcp-client

remote 94.101.55.66 1194

dev tap

nobind

persist-key

tls-client

ca ca.crt 

auth-user-pass auth.cfg #auth.cfg containing my user and password openvpn

ping 10

verb 3

cipher AES-256-CBC

auth SHA1

pull

resolv-retry infinite

script-security 2 system

#route-up “route add MY_LAN mask xxxxx MY_REMOTE_GATEWAY”

auth-nocache