Internet Access 22-3Contivity 221 VPN Switch User’s GuideTable 22-1 Menu 4: Internet Access Setup Menu FieldsFIELD DESCRIPTIONNetwork AddressTranslationNetwork Address Translation (NAT) allows the translation of an Internet protocoladdress used within one network (for example a private IP address used in a localnetwork) to a different IP address known within another network (for example apublic IP address used on the Internet).Choose None to disable NAT.Choose SUA Only if you have a single public IP address. SUA (Single UserAccount) is a subset of NAT that supports two types of mapping: Many-to-Oneand Server.Choose Full Feature if you have multiple public IP addresses. Full Featuremapping types include: One-to-One, Many-to-One (SUA/PAT), Many-to-ManyOverload, Many- One-to-One and Server. When you select Full Feature youmust configure at least one address mapping set!Please see the NAT chapter for a more detailed discussion on the NetworkAddress Translation feature.When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to saveyour configuration, or press [ESC] at any time to cancel.22.3 Configuring the PPTP ClientThe Contivity 221 supports only one PPTP server connection at any given time.To configure a PPTP client, you must configure the My Login and Password fields for a PPPconnection and the PPTP parameters for a PPTP connection.After configuring My Login and Password for PPP connection, press [SPACE BAR] and then[ENTER] in the Encapsulation field in Menu 4 -Internet Access Setup to choose PPTP as yourencapsulation option. This brings up the following screen.
