Draytek Vigor 2910, Руководство пользователя

Страница: 150 / 235

Vigor2910 Series User’s Guide 144
3
3
.
.
1
1
1
1
.
.
2
2
D
D
i
i
a
a
l
l
i
i
n
n
g
g
t
t
o
o
a
a
S
S
i
i
n
n
g
g
l
l
e
e
I
I
S
S
P
P
If you access the Internet via a single ISP, press this link.
ISP Name Enter your ISP name.
Dial Number Enter the ISDN access number provided by your ISP.
Username Enter the username provided by your ISP.
Password Enter the password provided by your ISP.
Require ISP Callback
(CBCP) If your ISP supports the callback function, check this box to
activate the Callback Control Protocol during the PPP negotiation.
Scheduler (1-15) Enter the index of schedule profiles to control the Internet access
according to the preconfigured schedules.
Link Type There are four link types: Link Disable, Dialup 64 Kbps, Dialup
128 Kbps, and Dialup BOD.
Link Disable - Disable the ISDN dial-out function.
Dialup 64Kbps - Use one ISDN B channel for Internet access.
Dialup 128Kbps - Use both ISDN B channels for Internet access.
Dialup BOD - BOD stands for bandwidth-on-demand. The router
will use only one B channel in low traffic situations. Once the
single B channel bandwidth is fully used, the other B channel will
be activated automatically through the dialup. For more detailed
BOD parameter settings, please refer to the
Advanced Setup field
> Call Control and PPP/MP Setup .
PPP Authentication PAP Only - Configure the PPP session to use the PAP protocol to
negotiate the username and password with the ISP.
PAP or CHAP - Configure the PPP session to use the PAP or
CHAP protocols to negotiate the username and password with the
ISP.
Idle Timeout Idle timeout means the router will be disconnect after being idle for
a preset amount of time. The default is 180 seconds. If you set the
time to 0, the ISDN connection to the ISP will always remain on.
Fixed IP In most environments, you should not change these settings as
most ISPs provide a dynamic IP address for the router when it
connects to the ISP. If your ISP provides a fixed IP address, check