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23.7 Legacy Series / Re: DEC 3840 - bizarre behavior 10G
« on: December 10, 2023, 07:27:48 pm »I'm at a point where I'm just trying to narrow down the possible causes to fewer scenarios. Logic suggests - but I might be very well mistaken, hence suggestions are welcome - transceiver on WAN might not be working properly.
Up to this point, you do not accept suggestions, but instead hop from one wild guess to another. This is another good example: Ask yourself this: If the WAN transceiver was broken, how could your 10G clients get the full speed?
About collaboration: You did not answer questions, we do not even know which type of client you try this with. Why this is relevant? Because if you try with Windows clients, you are likely to have problem with the default settings of the MS TCP stack, see this for what I mean.
Also, what does "which are built on a self healing fashion" mean? Did you try to enable Flow Control or egress limiting on your switches?
Good luck, you will surely figure this out by yourself.
I am suggesting my WAN transceiver might not be compatible, I'm not saying it is broken.
10G clients are capped at 300Down like the 1G ones (my bad, I did not post the update), whilst are at full capacity in UL.
As per clients, they are all OSX or Linux. There's no WIN nor Android stuff around here (and there won't ever be).
RE your comment on flow control, on Meraki you can only play with QoS at best (https://documentation.meraki.com/MS/Other_Topics/QoS_(Quality_of_Service)) and that has not being configured either.
A bit less of attitude would be appreciated