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Private Ip And Real Ip Based Vpn Solution Features

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Hasnayen

The document describes and compares private IP-based and real IP-based VPN solutions. Private IP VPNs use fixed private IPs without internet connectivity, requiring only one NIC for the VPN server. Real IP VPNs use public IPs with mandatory internet access, exposing the VPN server to the internet and requiring two NICs. Both solutions establish connections between remote users and the VPN server by tunneling through either a PDSN or the internet.

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Private IP and Real IP based VPN solution features Private IP based VPN: No Real IP is required, only fixed Private IP. Fixed Private IP provided machines will communicate through PDSN. Internet connectivity is not mandatory for this type of solution. Internet access is not possible with Fixed Private IP. Require a VPN server to be installed with minimum system compatibility. VPN server is not exposed to Internet as Fixed Private IP is used. Only one NIC card is required for the VPN server. The connection between remote users and VPN sever is established by tunneling through PDSN. (See network diagram in page 2) Public/ Real IP based VPN: Real IP is required instead of Fixed Private IP. Real IP is provided in one interface of VPN server. Internet connectivity is mandatory for this type of solution. Remote users wish to communicate with VPN server must have Internet connectivity. Require a VPN server to be installed with minimum system compatibility. VPN server is exposed to Internet as Real IP is used. Must have two NIC cards for VPN server. The connection between remote users and VPN sever is established by tunneling through Internet. (See network diagram in page 3) 1
10.2.10.x Huawei Data Modem (Fixed IP) Remote User Internet PDSN Huawei Data Modem Ext IP: 10.2.10.x (Fixed IP) LAN Switch VPN Server Int IP: 192.168.1.x Corporate LAN Host 1 Host 2 192.168.1.x Server 192.168.1.x 192.168.1.x Fig: Private (Fixed) IP Based VPN solution Prepared by: A. M. Ishtiaque Mazid 2
Huawei Data Modem Remote User 10.1.x.x (Dynamic IP) Internet Ext IP: 203.76.x.x (Real IP) LAN Switch Int IP: VPN Server 192.168.1.x Corporate LAN Host 1 Host 2 192.168.1.x 192.168.1.x Server 192.168.1.x Fig: Real IP Based VPN solution Prepared by: A. M. Ishtiaque Mazid 3

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Private Ip And Real Ip Based Vpn Solution Features

  • 1. Private IP and Real IP based VPN solution features Private IP based VPN: No Real IP is required, only fixed Private IP. Fixed Private IP provided machines will communicate through PDSN. Internet connectivity is not mandatory for this type of solution. Internet access is not possible with Fixed Private IP. Require a VPN server to be installed with minimum system compatibility. VPN server is not exposed to Internet as Fixed Private IP is used. Only one NIC card is required for the VPN server. The connection between remote users and VPN sever is established by tunneling through PDSN. (See network diagram in page 2) Public/ Real IP based VPN: Real IP is required instead of Fixed Private IP. Real IP is provided in one interface of VPN server. Internet connectivity is mandatory for this type of solution. Remote users wish to communicate with VPN server must have Internet connectivity. Require a VPN server to be installed with minimum system compatibility. VPN server is exposed to Internet as Real IP is used. Must have two NIC cards for VPN server. The connection between remote users and VPN sever is established by tunneling through Internet. (See network diagram in page 3) 1
  • 2. 10.2.10.x Huawei Data Modem (Fixed IP) Remote User Internet PDSN Huawei Data Modem Ext IP: 10.2.10.x (Fixed IP) LAN Switch VPN Server Int IP: 192.168.1.x Corporate LAN Host 1 Host 2 192.168.1.x Server 192.168.1.x 192.168.1.x Fig: Private (Fixed) IP Based VPN solution Prepared by: A. M. Ishtiaque Mazid 2
  • 3. Huawei Data Modem Remote User 10.1.x.x (Dynamic IP) Internet Ext IP: 203.76.x.x (Real IP) LAN Switch Int IP: VPN Server 192.168.1.x Corporate LAN Host 1 Host 2 192.168.1.x 192.168.1.x Server 192.168.1.x Fig: Real IP Based VPN solution Prepared by: A. M. Ishtiaque Mazid 3