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--- qos [2015/04/14 17:01]
pbix [Introduction]
+++ qos [2017/12/29 01:21] (current)
ispyisail [Router Performance]
@@ Line 212: / Line 212: @@
 ==== Total Bandwidth Field ====
-Below the class table is the total (upload/download) bandwidth field. Proper setting of this fields is
+Below the class table is the total (upload/download) bandwidth fields. Proper setting of these fields is important to making QoS function properly.  First determine the speeds your upload/download links can deliver.  One way to do this is by turning QoS off and using http://www.speakeasy.net/speedtest/ with no other computers or applications trying to use your WAN link.  Do it a couple of times and record separately the minimum upload and the minimum and maximum download speeds you obtain.  If you run it twice for example and once you get 1Mbps and the second time you get 2Mbps then your minimum is 1Mbps and your maximum is 2Mbps.
-critical to making QoS function properly. The value you enter here depends on if you are using the active
-congestion controller or not and if your WAN connection type (set on the Connection->Basic) page is set
-to PPPoE. Assuming you are using the ACC set as follows:
-When using PPPoE you should consult with your modem’s web page and enter the line speed the modem
+Now start with the upload page entering 95% of the minimum upload speed you saw.  If the minimum changes in time then you may need to further lower your minimum.  This can be tedious but in my experience your upload speeds do not vary much so your first test will likely be sufficient.
-is running at. Enter the uplink/downlink speeds on the corresponding QoS page.
-When not using PPPoE you should enter your maximum download speed on the download screen and
+On the download page the value you enter depends on if you are using ACC or not.  When using ACC you enter the maximum download speed you saw.  If you enter a value even 10% higher its OK too.  ACC is going to automatically adjust the actual speed QoS between 12% of this number and 100% of this number.  If you enter a number too high (say 2x your link speed) then you just lost some range because ACC will only adjust between 12% and 50% (all the numbers between 50% and 100% are too high) but it will still basically work.
-% of your measured upload speed on the upload screen. The way I recommend to measure your upload
-speed is to first turn QoS off, then make sure no one is using the WAN link and then run a speed test such
-as the one http://www.speakeasy.net/speedtest/ . Finally enter 95% of the value you found with this test.
-If you are not using the ACC then you will generally need to reduce your download bandwidth from the
+If you are not using ACC then things get more complicated.  You need to enter the minimum value of your downlink speed.  Since downlink speeds can vary significantly in time, 20%-80% is not unusual, this can be an impossible task.  If the downlink speed is set too high your QoS will simply not work.  If set to low you will under utilize your link and feel cheated.  For this reason I recommend that you use the ACC if you want your QoS to work.
-values mentioned above. The amount to reduce varies from 20-80% depending on what it happening with
-your ISP. For this reason I recommend that you use the ACC.
 ===== Active Congestion Controller (ACC) =====
@@ Line 269: / Line 260: @@
 Don't complain on the forum that your router's native firmware gives you better throughput than Gargoyle firmware does.  With Gargoyle you are getting features and stability which you do not have with your native firmware.  If you cannot achieve the speeds you want get a faster router.
+----------------
+All routers have a maximum processing speed for the WAN link. If you lower your total WAN bandwidth (upload plus download) to below this maximum on the Gargoyle QoS screens then Gargoyle will throttle your throughput and all your Gargoyle functions will work properly. This may result in you not being able to utilize the full bandwidth your ISP provides you but you will have stable and predictable performance.
+Selecting a router that has enough horsepower to handle your full bandwidth is important if you really want to use all your available bandwidth. Stock firmware which comes with your modem will usually provide higher throughput than Gargoyle. The reason for this is simple. The stock firmware does not have the advanced features of Gargoyle. Especially QoS and Bandwidth monitoring. These are the features that require CPU horsepower. If you turn them off in Gargoyle you will also see a high throughput capability.
+Like a car top-end speed is not the only desirable feature. The many other features that you use everyday are usually what you should concentrate on and these are what Gargoyle provides.
 ===== FAQS =====

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