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Basic Setup & Internet Access
3.4 DSL/Cable Modem Internet Access
Before you connect a broadband access device, e.g. a DSL/Cable
modem, to the router, you need to know what kind of Internet access
is provided by your ISP.
The following sections deal with four widely-used broadband access
services. These are PPPoE Client, PPTP Client and Static IP for
DSL, and Dynamic IP (DHCP Client) for Cable. In most cases, you
will get a DSL or Cable modem from the broadband access service
provider. The router is connected behind the broadband device (i.e.
DSL/Cable modem) and works as a NAT or IP router for broadband
and ISDN connections.
In addition to broadband access capabilities, the ISDN port can do
dial backup, or provide remote access and remote management func-
tions to support more flexible network connectivity. The following ap-
plication scenarios show that the head office is capable of getting on
to the Internet through the Vigor2200 and a broadband device, and
simultaneously connecting to the branch office via an ISDN network.
Note:
On the Vigor2200E the ISDN dial backup function, re-
mote access, and LAN-to-LAN connectivity are not sup-
ported.
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