ZyXEL MAX218MW User Guide - Page 134
Table 56, LABEL, DESCRIPTION, Security, WiMAX Device Configuration User's Guide
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Chapter 8 Security Table 56 L2TP Server (continued) LABEL Support Protocol Version Auth Protocol DESCRIPTION Select the L2TP Protocol Version: All, 2, or 3. L2TPv2 is a standard method for tunneling Point-to-Point Protocol (PPP) while L2TPv3 provides improved support for other types of networks including frame relay and ATM. Select the Authentication Protocol allowed for the connection. Options are: MPPE Encryption • PAP - Password Authentication Protocol (PAP) authentication occurs in clear text and does not use encryption. It's probably not a good idea to rely on this for security. • CHAP - Challenge Handshake Authentication Protocol (CHAP) provides authentication through a shared secret key and uses a three way handshake. • MSCHAPv1 - Microsoft CHAP v1 (MSCHAPv1) provides authentication through a shared secret key and uses a three way handshake. It provides improved usability with Microsoft products. • MSCHAPv2 - Microsoft CHAP v2 (MSCHAPv2) provides encryption through a shared secret key and uses a three way handshake. It provides additional security over MSCHAPv1, including two-way authentication. If MSCHAPv1 or MSCHAPv2 is selected as an Auth Protocol, use the dropdown list box to select the type of Microsoft Point-to-Point Encryption (MPPE). Options are: • MPPE 40 - MPPE with 40 bit session key length • MPPE 128 - MPPE with 128 bit session key length • Auto - Automatically select either MPPE 40 or MPPE 128 Local IP Address Enter the local endpoint for the L2TP connection. Remote Start Enter the local IP address range the WiMAX Device assigns to remote users if the IP remote client device is set to obtain an IP address automatically. Restrict Client Select Yes to restrict the remote client device local IP address. IP? Allow Client IP Enter the local IP address range the remote client device is restricted to. If the client device is configured with a static IP address, it should be in this range. Idle Timeout Enter the time in minutes to timeout L2TP connections. DNS Server 1 Specify the IP addresses of DNS servers to assign to the remote users. DNS Server 2 User Access List User Name Enter the user name for the remote user. Server Select the server that the remote user has access to: PPTPD, L2TPD or Both. Password Enter the password for the remote user. IP Address Enter the local IP address the WiMAX Device assigns to the remote user. Delete Add OK Connection List User Name Remote IP Address L2TP IP Address Login Time Entering 0.0.0.0 indicates the local IP address will be dynamically assigned. Select an entry and click this to delete it. Click this to create a new entry. Click this to save the changes. This displays the user name for the remote user. This displays the remote endpoint IP address of the remote user. This displays the local IP address of the L2TP server. This displays the time the L2TP connection started. 134 WiMAX Device Configuration User's Guide