Well, it is improvement , as stated in changelog, rather then fix as I see that it's still not fully 1GB connection: ~800Mbps-930Mbs comparing to 1GB interfaces with stable 940Mbps guys hello i bought 1 RB5009UG+S+IN the problem that i have is i have 1gbs internet and put it on Wan mikrotik lan My l...

Tech Support sucks. Looks like hardware is not fixable. Time to sell this piece of *** on Ebay and never, ever buy anything from mikrotik!

Did you get official reply from Tech support ?

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Unless its a problem similar Intel had with I225-V. Then it means it cannot be solved with firmware updatend and CR5009 is a crap

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Have you had a chance to test S+RJ10 ?

I just migrated to a new RB5009UG+S+ from an RB3011. I have encountered a download speed performance issue that is easy to duplicate. When the RB5009 ether1 WAN port is "advertising" 2.5G full duplex and is connected to a 2.5G ISP modem with gigabit speed service, the data transfer speed ...

I just migrated to a new RB5009UG+S+ from an RB3011. I have encountered a download speed performance issue that is easy to duplicate. When the RB5009 ether1 WAN port is "advertising" 2.5G full duplex and is connected to a 2.5G ISP modem with gigabit speed service, the data transfer speed ...