Figure 4-3 Link Backup

4.3.2 VPN Setting

To enable the hosts in the remote branch office (WAN: 116.31.85.133, LAN: 172.31.10.1) to access the servers in the headquarters, you can create the VPN tunnel via the TP-LINK VPN routers between the headquarters and the remote branch office to guarantee a secured communication. The following takes IPsec settings of the Router in the headquarters for example.

Moreover, you can configure the PPTP VPN Server to establish a remote mobile office, which enables the staff on business to access the FTP server and Mail server in the headquarters via PPTP dial-up connection.

4.3.2.1IPsec VPN

1)IKE Setting

To configure the IKE function, you should create an IKE Proposal firstly.

IKE Proposal

Choose the menu VPN→IKE→IKE Proposal to load the configuration page.

Settings:

Proposal Name:

proposal_IKE_1

Authentication:MD5

Encryption:3DES

DH Group:

DH2

-133-

Page 138
Image 138
TP-Link TL-ER604W manual VPN Setting, IPsec VPN, IKE Setting,  IKE Proposal, Settings