cisco to mikrotik GRE over IPsec VPN

configure terminal R Tbilisi ! -- Phase 1 (ISAKMP Policy & Key) -- crypto isakmp policy 1 encr aes 256 authentication pre-share group 2 lifetime 28800 exit crypto isakmp key vpn123 address 192.168.73.187 ! -- Phase 2 (IPsec Transform-Set & Profile) -- crypto ipsec transform-set TS-VTI esp-aes 256 esp-sha-hmac mode transport exit crypto ipsec profile IPSEC-PROFILE-VTI set transform-set TS-VTI exit ! -- Tunnel Interface (GRE over IPsec) -- interface Tunnel0 ip address 10.0.0.1 255.255.255.252 ip mtu 1400 ip tcp adjust-mss 1360 keepalive 10 3 tunnel source 192.168.73.164 tunnel destination 192.168.73.187 tunnel protection ipsec profile IPSEC-PROFILE-VTI exit ! -- Static Route via VPN Tunnel -- ip route 192.168.50.0 255.255.255.0 Tunnel0 end write