Environment :

• RB951G-2HnD
• RouterOS v6.0
• Huawei E272

Installation step :

1. Plug a modem to USB Port
2. Check a modem in Resources – USB menu from Winbox
   
3. Add PPP Client from PPP menu
   
4. Select USB port in General Tab
   
5. Fill a username and password from your GSM operator in PPP Tab
   
6. Create NAT Masquerade (IP – Firewall – NAT menu)
   
   
   
7. Check connection with PING