QoS Upload
QoS (Upload) -- Classification Rules
Quality of Service (QoS) provides a way to control how available bandwidth is allocated. Connections are classified into different “service classes,” each of which is allocated a share of the available bandwidth. QoS should be applied in cases where you want to divide available bandwidth between competing requirements. For example if you want your VoIP phone to work correctly while downloading videos. Another case would be if you want your bit torrents throttled back when you are web surfing.
Packets are tested against the rules in the order specified -- rules toward the top have priority. As soon as a packet matches a rule it is classified, and the rest of the rules are ignored. The order of the rules can be altered using the arrow controls.
The Default Service Class specifies how packets that do not match any rule should be classified.
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Each upload service class is specified by three parameters: percent bandwidth at capacity, minimum bandwidth and maximum bandwidth.
Percent bandwidth at capacity is the percentage of the total available bandwidth that should be allocated to this class when all available bandwidth is being used. If unused bandwidth is available, more can (and will) be allocated. The percentages can be configured to equal more (or less) than 100, but when the settings are applied the percentages will be adjusted proportionally so that they add to 100.
Minimum bandwidth specifies the minimum service this class will be allocated when the link is at capacity. For certain applications like VoIP or online gaming it is better to specify a minimum service in bps rather than a percentage. QoS will satisfiy the minimum service of all classes first before allocating the remaining service to other waiting classes.
Maximum bandwidth specifies an absolute maximum amount of bandwidth this class will be allocated in kbit/s. Even if unused bandwidth is available, this service class will never be permitted to use more than this amount of bandwidth.
Total Upload Bandwidth should be set to around 98% of your available upload bandwidth. Entering a number which is too high will result in QoS not meeting its class requirements. Entering a number which is too low will needlessly penalize your upload speed. If you are using a PPPoE connection check your modem's web page and use your uplink line speed as your upload bandwidth. Other types of connections should use a speed test program (with QoS off) to determine available upload bandwidth. Note that bandwidth is specified in kbps. There are 8 kilobits per kilobyte.
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