VPN industrial router with sim card slot 4g

Industrial VPN 4g sim router common classification has PPTP, L2TP, IPSEC. The most common one is PPTP protocol. As mentioned above, most industrial routers on the market have PPTP security protocol, namely point-to-point tunnel protocol. Remote users can safely access the enterprise network by dialing into an ISP or by connecting directly to the Internet or other networks.

L2TP is an industry standard VPN network transport tunnel protocol, function roughly similar to PPTP protocol, for example, can also encrypt network data stream. The difference is that PPTP USES a single channel, while L2TP USES multiple channels. L2TP providesheader compression and tunnel verification, while PPTP does not support.

IPSEC security protocol provides active protection and attack prevention through end-to-end security, which is the long-term direction of secure networking. In communication, only the sender and receiver are the only computers that understand IPSEC protection. IPSec's security services require support for Shared keys for authentication and confidentiality, and require manual key entry.

Nowadays, the rapid development of network business application depends on the support of VPN. Each enterprise carries on the business cooperation exchange through the network, has greatly improved the company's operation efficiency.

VPN industrial router with sim card slot 4gallows enterprises to access their own LAN with their business partners and suppliers. This way makes the way of information exchange broader and improves the speed of information exchange. The communication data between the VPN server and the client device can be processed in the encrypted state, reducing the risk of data leakage of the enterprise.