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Damian Gardner
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Binding LAN ports in Server 2016

Hello - we have noticed that when we bind our 4 ports together to achieve 4GB speed on our Server 2016, and then perform a speed test with a network utility, that the results are slower for some reason.  Are there settings or some type of trick to allowing for faster speed to actually be achieved through a binded network interface?
NetworkingWindows OSNetworking ProtocolsWindows 10Azure

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Damian Gardner

8/22/2022 - Mon
Qlemo

What you mean is called "trunking". You won't achieve any speed improvement against a single target -  most trunking techniques allow for one target, one NIC paths only.
Depending on how the trunk is configured at both server and switch, management overhead might reduce the performance for a single target.
You should see a performance improvement if you test against more than one (max. 4) targets simultanously.
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Sean

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Damian Gardner

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Oh - yes correct, NIC teaming is what I'm referring to.  Ok - so it sounds like it is more of a load balancing and failover measure, and not a performance booster.  Sean mentioned seeing improvement with multiple targets.  Could that also apply to multiple users hitting the SQL Server simultaneously for data requests?  So if 4 NICs are in the TEAM, then those 4 requests could be served simultaneously at full speed?  

Thanks guys
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Damian Gardner

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understood.  thanks very much
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