If you have a fluctuating bandwidth, enter the lowest value that is guaranteed by your ISP. For example, if you have a 5 Mbit/s Internet connection for both uplink and downlink with a variation of 0.8 Mbit/s, enter 4300 Kbit/s. Note that if the available bandwidth becomes temporarily higher than the configured lowest guaranteed value, the gateway can make a projection taking the new bandwidth into account, so that the percentage bandwidth for the priority traffic will be increased as well; unfortunately, this does not work vice versa.
According to the help files in Astaro, since my speed fluctuates a little (Cable 30Mb D/5Mb U) I should enter the lowest value so that it can calculate correctly how to divide up the bandwidth. This seems to work fine with the inbound connection on the WAN, but not the outbound connection on the WAN. I can set the inbound to 20Mbit, and Astaro will still allow a single connection to use up to the full speed of my connection (30Mbit). However, if I set the outbound to something like 3Mbit, it limits a outbound connection to 3Mbit, and it never reaches 5Mbit (which the connection is capable of and does close to all the time after testing various hours of the day). Is this the way the QOS is intended to work, or do I have some setting in the QOS for the interfaces or somewhere else set wrong? I ask because my connection can at times go below and above 30/5 (not by much, but it been as high as 31/5.5 and as low as 28/4.5) and I would like Astaro to make use of that bandwidth when available if I set it to the lowest value.
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