My wireless network connection says validating identity
Concordia University provides wireless networking for all of its currently active faculty, staff, and registered students.Due to the nature of Concordia's secure network, most devices must be configured before using the wireless for the first time.This provides the simplest configuration and works for most users.If a specific service name is required, a service name can be configured on the General tab from the properties of the PPPo E connection.A PPPo E service name is either an ISP name or a class of service that is configured on the PPPo E server.There is no facility in the properties of the PPPo E connection that allows you to discover the service name.Windows XP PPPo E connections support PAP authentication and, by default, the PPPo E connection allows the use of unsecured passwords.Windows XP PPPo E connection will attempt to use secured password authentication protocols such as Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2), Microsoft Challenge Handshake Authentication Protocol (MS-CHAP), Challenge Handshake Authentication Protocol (CHAP), and Shiva Password Authentication Protocol (SPAP), before offering to use PAP.
Thus, Windows XP discovers the service name during the connection attempt.
The 20 bytes of overhead consist of the PPPo E header (6 bytes), the largest possible outer PPP header (4 bytes), the largest possible Multilink PPP header (4 bytes), the largest possible PPP header for compression and encryption (4 bytes), and the PPP header that identifies the actual packet being sent (2 bytes).
Don't Use Password Authentication Protocol for PPP Authentication It is highly recommended that the ISP not use Password Authentication Protocol (PAP) for PPP authentication.
Acknowledgements Rob Trace, Program Manager David Eitelbach, Program Manager Introduction PPPo E Support in Windows XP How to Configure Windows XP for PPPo E Does my ISP Support Windows XP?
Issues with Windows XP PPPo E support Summary Related Links Internet service providers (ISPs) that use broadband Internet access technologies deployed in a bridged Ethernet topology, such as cable modem or Digital Subscriber Line (DSL), need a way to distinguish individual users so that Internet usage can be accounted for, and, if appropriate, billed to individual users.
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Maximum Transmission Unit There is no ability to configure the maximum transmission unit (MTU) of the PPPo E connection from the properties of the connection.