3Com 3CRWDR300A-73-US User Guide - Page 84

Bridge Mode, Protocol, Auto Search, VC MUX, CBR, UBR, Select the Encapsulation

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82 CHAPTER 5: CONFIGURING THE ROUTER Bridge Mode If your ISP limits access to the Internet to specific computers, this means that traffic to/from these computers only will be forwarded. In this case, Bridge Mode 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 Internet connection. Figure 63 Bridge Mode Screen 1 Select Bridge Mode from the Protocol drop-down menu. 2 Select VLAN. 3 Enter the VPI/VCI values. Or click Auto Search to find out the values. VPI (Virtual Path Identifier) and VCI (Virtual Circuit Identifier) numbers should be provided by your ISP. 4 Select the Encapsulation, VC MUX or LLC. This information should be provided by your ISP. 5 QoS Class: select CBR, UBR or VBR. ■ 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.

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82
C
HAPTER
5: C
ONFIGURING
THE
R
OUTER
Bridge Mode
If your ISP limits access to the Internet to specific computers, this means
that traffic to/from these computers only will be forwarded. In this case,
Bridge Mode 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 Internet
connection.
Figure 63
Bridge Mode Screen
1
Select
Bridge Mode
from the
Protocol
drop-down menu.
2
Select
VLAN
.
3
Enter the VPI/VCI values. Or click
Auto Search
to find out the values. VPI
(Virtual Path Identifier) and VCI (Virtual Circuit Identifier) numbers should
be provided by your ISP.
4
Select the Encapsulation,
VC MUX
or
LLC
. This information should be
provided by your ISP.
5
QoS Class: select
CBR, UBR
or
VBR
.
■
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.