Encapsulation
The Encapsulation mode, like the VPI and VCI numbers, is specified by your service provider (see Permanent VC Settings, page 17).
Encapsulation This mode is supplied by your service provider (reference table appears on page 5).
Bridge
The Bridge option is disabled by default. You should enable it only if your service provider instructs you to.
IGMP (Internet Group Management Protocol)
IGMP is the Internet standard for IP multicasting, or broadcasting a message to many recipients simultaneously. Your choices are enabled or disabled; the default is disabled.
IMPORTANT:
Before enabling IGMP, navigate to the Advanced Setup page, click Misc Configuration, select Enabled in the IGMP Proxy dropdown list, and click Save Changes and Write Settings to Flash and Reboot. If you don’t perform this step first, enabling IGMP on this page will not have any effect.
Default Gateway
Normally, you would not enter anything into the Default Gateway field. You would do so only if you want to connect your modem to the Internet via a different Gateway Router, or if your service provider has instructed you to change it.
PPP (Point-to-Point Protocol)
PPPis the most widely used protocol for authenticating your connection to the Internet. Should you change service providers, you may need to change the data in these fields. Note: These settings also appear on your Basic Settings page.
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