SSTP Network easy ...

Hi,
i’m trying to do something easy but I’m missing something.

The diagram is something like:


Mikrotik Cli Mikrotik Srv CentOS
SSTP Cli (172.18.1.2) ----- SSTP Srv (172.18.1.1)
ETH2 (192.168.50.253) ----- 192.168.50.75


Mikrotik Client (172.18.1.2) is connected with SSTP to Mikrotik Srv (172.18.1.1)
Mikrotik Srv Eth2 (192.168.50.253) is connected LAN with CentOS (192.168.50.75)

I add route form CentoOS 172.18.0.0/16 via 192.168.50.253

From Mikrotik Srv Ping 172.18.1.2 is OK
From CentoOS Ping 172.18.1.1 is OK

but from centOS i Can’t PING 172.18.1.2
I need connectivity from CentOS to Mikrotik Cli.

I tryed ETH2 ARP: proxy-arp, enable … but still not connecting.

What can I test ?

Please help !

Thanks