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The amount of bandwith must not be higher as the available bandwith.
The ratio must not exceed 40/1
example:
high: TOS (Dec) 184 = DSCP (Dec), 46 (Hex) 0x2E / for voice
low: TOS (Dec) 104 = DSCP (Dec), 26 (Hex) 0x1A / for video
default: All OTHER = not specified
ratio: 19/6/1 = 26Mbit/s bandwidth.
QoS handels the packtes only if the configured upstream bandwidth has been reached
fixed Bandwidth
1.Set the Administrative Status to enabled
2.Configure the desired Bandwidth congestion:
Interface: Select the desired inteface.
auto: Qos manages the bandwith according the configured priority.(1=high/10=low).
IP to ping: A host is needed in order to measure the current bandwith.
fixed: QoS works with the configured settings. The amount of bandwith should never be higher as the available bandwith.