VigorPro5300 Series User’s Guide
187
access the server which is off the Internet in the head office.
To remotely make the server to be available on the Internet, i.e.
make the router in the head office activating its Internet access
either by dialing-up or starting broadband connection, users
can make a regular phone call (the number is set in the
Remote Activation field) to the router as signaling it for
activation. The phone call will be soon disconnected once the
router is on line.
Note that
Dialing to a Single ISP
should be pre-configured
properly.
Basic Setup
Link Type -
Because ISDN has two B channels (64Kbps/per
channel), you can specify whether you would like to have
single B channel, two B channels or BOD (Bandwidth on
Demand). Four options are available: Link Disable, Dialup
64Kbps, Dialup 128Kbps, Dialup BOD.
PPP Authentication -
It specifies the PPP authentication
method for PPP/MP connections. Normally you can set it to
PAP/CHAP for better compatibility.
TCP Header Compression - VJ Compression
: It is used for
TCP/IP protocol header compression. Normally it is set to Yes
to improve bandwidth utilization.
Idle Timeout -
Because our IDSN link type is
Dial On
Demand
, the connection will be initiated only when needed.
Bandwidth-On-Demand
(BOD) Setup
Bandwidth-On-Demand is for Multiple-Link PPP \(ML-PPP
or MP). The parameters are only applied when you set the
Link Type
to
Dialup BOD
. The ISDN usually use one B
channel to access the Internet or remote network when you
choose the Dialup BOD link type. The router will use the
parameters here to decide on when you activate/drop the
additional B channel. Note that
cps
(characters-per-second)
measures the total link utilization.
High Water Mark and High Water Time -
These
parameters specify the situation in which the second channel
will be activated. With the first connected channel, if its
utilization exceeds the High Water Mark and such a channel
is being used over the High Water Time, the additional
channel will be activated. Thus, the total link speed will be
128kbps (two B channels).
Low Water Mark and Low Water Time -
These parameters
specify the situation in which the second channel will be
dropped. In terms of the two B channels, if their utilization is
under the Low Water Mark and these two channels are being
used over the High Water Time, the additional channel will be
dropped. As a result, the total link speed will be 64kbps (one
B channel).
Summary of Contents for VigorPro 5300
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