Communication directly via TCP (without using HTTP)
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@charames true, but, https://forum.duet3d.com/post/158859
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@bearer Yikes. didn't know... just joined today.
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I'm sure he would have appreciated the attention to detail.
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@charames no worries, just don't be surprised when there isn't a reply..
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I was led to this thread while looking for information on issues related to network latency. It seems Duet is known to have frequent connection drop issues, but most of those threads seem to zone in on WiFi as the culprit. However, I am using a Maestro on a wired link and experience connection drops if I connect over the internet (as opposed to locally on my network). Conclusion: latency seems to play a role. Mine was suitably functional after I played around with the "communication settings" (update interval=800mS). But, then I updated the UI to version 2.0.7 and started seeing disconnects again (this time with a message: “Connection interrupted, attempting to reconnect”). I have tried adjusting the Communication Settings since that worked for version 1.22.6, but no values that I have tried have made it any better. It still works well when connected locally, but the additional latency of the internet makes the connection unusable.
I can click on the “Revert to DWC1” link and it suddenly works again. My conclusion is that there is something about the 2.0.7 build that is even more latency sensitive than DWC1 was.
I know this isn't the right thread for this discussion, but "latency" is what brought me here. I'll continue searching.
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@charames said in Communication directly via TCP (without using HTTP):
Conclusion: latency seems to play a role.
interesting, poor wifi signal can also result in increased latency
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@charames It may be worth upgrading to RRF 3.1.1 and DWC 3.1.1 to test with recent code. @chrishamm would be the one to understand/explain the latency thing I think?
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@Phaedrux said in Communication directly via TCP (without using HTTP):
RRF 3.1.1 and DWC 3.1.1
I'll look into that, but I was under the impression that those updates introduced some significant changes that would require that I re-do all of my configs. Maybe its worth doing, but since I ONLY have connection issues as a complaint, I was looking for a solution for that.
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@charames said in Communication directly via TCP (without using HTTP):
hose updates introduced some significant changes that would require that I re-do all of my configs.
yes-ish but now that 3.1.1 is seemingly stable it'll probably be worth while.
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https://configtool.reprapfirmware.org/Start
The configuration tool has support for 3.1.1 now so getting a compatible basic config isn't as complicated as it once was. If you have some more complex features implemented you'd still have to do that manually, but it's generally just some minor syntax changes. The gcode wiki is your friend here. https://duet3d.dozuki.com/Wiki/Gcode
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@bearer Thanks. I think I'll take the leap.
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@Phaedrux You, too... thanks.
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