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rayman30

Large number of RX and TX pauses? (sh.itjust.works)

submitted 1 year ago by [email protected] to c/mikrotik

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Just wondering if this is normal... or is there something I need to be looking at here? These Rx pauses are the result of roughly 48 hours worth of traffic. The device pictured is the CRS317-1G-16S+, and the switch on the other end is a CRS326-24G-2S+. I'm using brand new FS tranceivers and an fs om4 lc to lc fiber patch. I've swapped the tranceivers for 10gtek ones (also brand new), and it didn't make a difference.

When I look at the CSR326-24G, I see very similar numbers except in the tx pauses column... which I think makes sense. I'm just not sure if there is something I should do? Or, could someone help explain what might be causing it? I'm new to 10gb networking and mikrotik as a whole, so I'm just trying to dial things in.

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[–] stevestevesteve 2 points 1 year ago* (last edited 1 year ago) (1 children)

Massively depends on the types of traffic you are pushing. Pause frames are normal in some networks, why are you concerned?

Basically, where's the bottleneck in the traffic across this link? If you're sending tons of traffic to the point where something sub-10g is receiving it (or you're storing it and the storage is below 10g), of course there's gonna be a lot of pause frames (if flow controls enabled)

[–] fxt_ryknow 1 points 1 year ago

My concern is nothing more than the switches and having them connected via 10gb is new to me... In addition to Mikrotik being new to me.

Just seemed like a high number for the time frame. The 24 port switch is just serving devices in the house. Wife's computer, rokus, raspberry pis, etc. My home lab is all connected to another switch in my rack, in addition to other ports of the 10gb switch... But all that traffic is vlaned and should never be hitting this other switch,