3Com 3CRWDR100U-72 User Guide - Page 53

Bridge Mode For a Single PC RFC 1483 Bridged Mode, Bridge Mode, Protocol, Encapsulation Type

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Internet Settings 51 Bridge Mode (For a Single PC) (RFC 1483 Bridged Mode) If the ISP limits some specific computers to access Internet, that means only the traffic to/from these computers will be forwarded and the other will be filtered. In this case, bridge modem is used to connect to the ISP. The ISP will generally give one Internet account and limit only one computer to access the Internet. Check with your ISP to determine if this mode is used for your DSL connection. To configure this page correctly, you should also obtain the information on this page from your ISP. Figure 40 Bridge Mode (For Single PC) Screen After clicking Edit on the ATM PVC page, the ATM Interface page appears. 1 Select Bridge Mode from the Protocol drop-down menu. 2 Enter the VPI and VCI parameters provided to you by your ISP in the VPI and VCI fields. 3 Select the encapsulation type (LLC or VC MUX) in the Encapsulation Type field. This information will have been provided to you by your ISP. 4 Select the type of Quality of Service that you want from the QoS Class drop-down menu. ■ CBR (constant bit rate): the CBR service class is intended for real-time applications, for example, those requiring tightly constrained delay and delay variation, such as voice and video applications. The consistent availability of a fixed quantity of bandwidth is considered appropriate for CBR service. ■ UBR (unspecified bit rate): the UBR service class is intended for delay-tolerant or non-real-time applications, for example, those which do not require tightly constrained delay and delay variation,

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Internet Settings
51
Bridge Mode (For a Single PC) (RFC 1483 Bridged Mode)
If the ISP limits some specific computers to access Internet, that means
only the traffic to/from these computers will be forwarded and the other
will be filtered. In this case, bridge modem is used to connect to the ISP.
The ISP will generally give one Internet account and limit only one
computer to access the Internet. Check with your ISP to determine if this
mode is used for your DSL connection. To configure this page correctly,
you should also obtain the information on this page from your ISP.
Figure 40
Bridge Mode (For Single PC) Screen
After clicking Edit on the ATM PVC page, the ATM Interface page
appears.
1
Select
Bridge Mode
from the
Protocol
drop-down menu.
2
Enter the VPI and VCI parameters provided to you by your ISP in the
VPI
and
VCI
fields.
3
Select the encapsulation type (LLC or VC MUX) in the
Encapsulation Type
field. This information will have been provided to you by your ISP.
4
Select the type of Quality of Service that you want from the QoS Class
drop-down menu.
■
CBR (constant bit rate): the CBR service class is intended for
real-time applications, for example, those requiring tightly
constrained delay and delay variation, such as voice and video
applications. The consistent availability of a fixed quantity of
bandwidth is considered appropriate for CBR service.
■
UBR (unspecified bit rate): the UBR service class is intended for
delay-tolerant or non-real-time applications, for example, those
which do not require tightly constrained delay and delay variation,