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gcraenen
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Posts: 38
Joined: Fri Dec 19, 2014 11:50 pm

crs326-24G-2S+ 10Gb speed not above 1Gb

Wed Jun 01, 2022 10:37 am

I have a crs326-24G-2S+ with 2 SFP+ S+RJ10 10Gb plugs, running on 7.2.3. On one port a Dell server with an Intel X550-T2 10 Gb card and on the other SFP+ port an Synology DS1621+ with an Intel X540-T2 card. When I test the transfer speed with iperf3 I'm getting a maximum speed off 934 Mbits/sec. With winbox looking at teh Two SFP+ ports i"m seeing a maximum of 1018 Mbits/sec. All ports have an MTU setting of 9000.

After a few minutes both SFP+ ports shutdown becasue of high temperature.

This is very bad.
 
erlinden
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Joined: Wed Jun 12, 2013 1:59 pm
Location: Netherlands

Re: crs326-24G-2S+ 10Gb speed not above 1Gb

Wed Jun 01, 2022 10:48 am

What connection speed are the SFP's reporting?
What is the temperature of the SFP's (just before shutdown).
Are you using SwOS or RouterOS?
If RouterOS, what version and what configuration?
If SwOS, what version?

The situation you are describing is indeed bad. Hope it can be explained...

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