Reference Guide

15-14 User’s Reference Guide

default) if you do not. This applies to both ATMP and PPTP connections.

■ For PPTP tunnel connections only, you must deﬁne what type of authentication these connections will use.

Select Receive Authentication and press Return. A pop-up menu offers the following options: PAP (the

default), CHAP, or MS-CHAP.

■ If you chose PAP or CHAP authentication, from the Data Compression pop-up menu select either None (the

default) or Standard LZS.

If you chose MS-CHAP authentication, the Data Compression option is not required, and this menu item

becomes hidden.

Interoperation with other features

■ Address serving is not supported through IPsec Tunnels.

■ AH is not supported through an interface that has NAT applied to it. NAT may be applied to the inner

payload.

■ AH is not supported through an interface which is either Unnumbered or Numbered with a dynamically

assigned address unless the Local Tunnel Endpoint address is speciﬁed in the Advanced IP Proﬁle Options

screen.