I am responsible for managing IT in 4 offices and all of them are using internet seperately. All these 4 offices are not connected each other. They all have their own firewall, switch, and WIFI. Among these 4 offices 2 offices has VSAT connection which has static private ip 10.191.50.50 & 10.192.85.132 respectively. ISP has given only static ip (not public ip). Two offices has Wireless modem connection which has linux firewall which also act as a router.
Assume
Office A
VSAT connection
VSAT IP : 10.191.50.49
Gateway : 10.191.50.50
Internet speed: 384 kbps
ISP NAME IS : A1
Office B
VSAT connection
VSAT IP: 10.192.85.132
Gateway : 10.192.85.133
Internet speed is 256/512kbps
ISP NAME IS : B1
Linux Sever as Firewall shares internet connections
Lan IP: 192.168.1.1/255.255.255.0
Office C
Wireless Modem
Linux Server as Router and Firewall shares interet connection
Linux server has open vpn
Static public ip : 41.100.40.12
LAN ip: 172.16.1.1 /255.255.255.0
Internet Speed : 1 MB
Office D
Public IP : 78.22.33.78
Sub net mask : 255.255.255.0
Sonicwall as a firewall with VPN enabled.
Internet speed : 512kbps
How to interconnect all these networks, i am not sure how to connect all these network. I would prefer VPN to connect. In this place there is no MPLS connection available.
Please help how to interconnect these offices in steps.
Thanks in advance
Shali
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