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rumorconsumer
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Joined: Sun Aug 04, 2019 7:01 am

Simple MTU question

Sun Aug 11, 2019 6:44 am

I had been connecting my Sonnet 10GbE SFP+ adapter and my Synology NAS directly with a SFP+ 10Gbit copper cable. Per manufacturer instructions I set MTU on both devices to 9000 and experienced a significant performance increase in large file transfers. I could read from the 12 drive NAS at over 1gigaBYTE per second. I got the Mikrotik https://mikrotik.com/product/crs305_1g_4s_in which is just awesome, but my speeds are now slower - around 2/3 the speed or less. Is there anything else I need to do to unlock the power of this connection? I tried to go into the Mikrotik settings for the 2 ports being used and change them to 9000 MTU but the setting doesn't stick. Thoughts?
 
rac
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Posts: 8
Joined: Fri Oct 15, 2010 4:47 pm

Re: Simple MTU question

Mon Aug 12, 2019 11:15 am

If you use RouterOS, the ports are members of a bridge - what is the bridge MTU?

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