Chapter 10 Quality of Service (QoS)
VMG/XMG Series User’s Guide
214
Figure 129 Network > QoS > General
The following table describes the labels in this screen.
Table 67 Network Setting > QoS > General
LABEL DESCRIPTION
QoS Select the Enable check box to turn on QoS to improve your network performance.
WAN Managed
Upstream
Bandwidth
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 Zyxel Device
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 Zyxel Device to not use some of the interfaces’ available bandwidth.
If you leave this field blank, the Zyxel Device automatically sets this number to be 95% of the
WAN interfaces’ actual upstream transmission speed.
LAN Managed
Downstream
Bandwidth
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 Zyxel Device to not use some of the interfaces’ available bandwidth.
If you leave this field blank, the Zyxel Device automatically sets this to the LAN interfaces’
maximum supported connection speed.
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