User`s guide

AT&T Global Network Client for Windows Administrator’s Guide
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Appendix E: AT&T T6 Client
The T6 Client is part of the AT&T IPv6 Service. Customers with the T6 Client installed on their PC will be
able to reach IPv6 network and content through AT&T IPv6 Service. If IPv6 is not available, applications
will default to IPv4.
Corporate Networks
The T6 Service is a tunneling protocol which needs to access specific (configurable) UDP ports. On some
corporate networks, these ports are blocked, and therefore the T6 service will not work.
Operating Systems
• Windows Vista (SP1)
• Windows 7
• (Windows 8 is not supported)
Components of the T6 Client
• T6 Client Service – creates a tunnel to the IPv6 gateway to send/receive messages
• T6 UI or Tray Icon – Allows users to interact with the T6 service by clicking the icon and selecting a
displayed option
• Mini-port Driver for the T6 Client - Interface (virtual adapter) that allows the T6 Client to interact
with the network
System Tray Icon
After installation, a T6 icon will be present in the system tray. There will be three colors associated with
this icon (see below), as well as a menu accessed by clicking on the icon. Hovering over the T6 icon will
result in informational messages being presented.
A “blue” icon represents that the T6 tunnel is active with an IPv6 address assigned
Figure 54: Blue T6 Client Icon