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9.3 The QoS General Screen
Click Configuration > Applications > Bandwidth Management > QoS General to open the screen as
shown next.
Use this screen to enable or disable QoS and set the upstream bandwidth. See
for more information.
Figure 41 Configuration > Applications > Bandwidth Management > QoS General
The following table describes the labels in this screen.
Table 32 Management > Bandwidth MGMT > General
LABEL
QoS State
WAN Managed
Upstream
Bandwidth
LAN Managed
Downstream
Bandwidth
Apply
Cancel
Chapter 9 Applications
DESCRIPTION
Select the Enable check box to turn on QoS to improve your network performance.
Enter the amount of upstream bandwidth for the WAN interfaces that you want to allocate using
QoS.
The recommendation is to set this speed to match the interfaces' actual transmission speed. For
example, set the WAN interfaces' speed to 100000 kbps if your Internet connection has an
upstream transmission speed of 100 Mbps.
You can set this number higher than the interfaces' actual transmission speed. The EMG2881-
T20A uses up to 95% of the DSL port's actual upstream transmission speed even if you set this
number higher than the DSL port's actual transmission speed.
You can also set this number lower than the interfaces' actual transmission speed. This will cause
the EMG2881-T20A to not use some of the interfaces' available bandwidth.
If you leave this field blank, the EMG2881-T20A automatically sets this number to be 95% of the
WAN interfaces' actual upstream transmission speed.
Enter the amount of downstream bandwidth for the LAN interfaces (including WLAN) that you
want to allocate using QoS.
The recommendation is to set this speed to match the WAN interfaces' actual transmission
speed. For example, set the LAN managed downstream bandwidth to 100000 kbps if you use a
100 Mbps wired Ethernet WAN connection.
You can also set this number lower than the WAN interfaces' actual transmission speed. This will
cause the EMG2881-T20A to not use some of the interfaces' available bandwidth.
If you leave this field blank, the EMG2881-T20A automatically sets this to the LAN interfaces'
maximum supported connection speed.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
EMG2881-T20A User's Guide
78
Section 9.1 on page 75
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