Warning About Intel(r) I121 Gigabit Network Connections

Ok i have been having issues with intel(R) I121 Gigabit Network connection lately.The Advance settings i don't like to mess with but i have too.My Speeds have been getting Majorly Throttled by this device.I have had my ISP Technician come out twice and every thing is ok on the modem.

Even my Phone is getting 87.7 Mbps download and 10.7 Upload.

So there is nothing wrong with my modem.

I Kept getting any where between 22Mbps and 15Mbps.

So i adjusted my advance settings and Got this back up to where it's suppose to be level.



This is what i adjusted.

First Go to Control Panel/Network and internet/Network Connections.

This Page below should pop up.

Right click on your Ethernet icon.Then left click onto properties.

This page below should pop up.


Keep Client for Microsoft Networks Highlights in Blue or gray.All you need to do is left click.

Then left click on Configure top right.

It might ask if you wish to proceed Click Yes.

Now you will see this new page open.



Click on the Tab Advanced Tab left click.

Here are the advance settings.


Here is the full list on what i disabled and adjusted.

You will have to click on Value to adjust settings.

ARP Offload : Disabled
Enable PME : Disabled
Energy Efficient Ethernet :Off
Flow Control: Disabled
Gigabit Master Slave Mode: I put this as Force Master Mode.
Interrupt Moderation: Disabled
Interrupt Moderation Rate: Off
IPv4 Checksum offload: Disabled
Jumbo Packet: Disabled
Large Send Offload V2 (IPv4): Enabled
Large Send Offload V2 (IPv6): Enabled
Locally Administered Address: Leave this alone Blank
Log Link State Event: Enabled
Maximum Number of Rss Queues: 2 Default number
NS Offload: Disabled
Packet Priority & VLAN: Packet Priority & VLAN Enabled
Receive Buffers: 256 Default number
Receive Side Scaling: Enabled
Reduce Speed On Power Down: Disabled
Speed & Duplex: Some people Keep this on Auto Negotiation.But i like to keep it at 100 Mbps Full Duplex.
TCP Checksum Offload (ipv4): Rx & Tx Enabled
TCP Checksum Offload (ipv6): Rx & Tx Enabled
Transmit Buffers : 512 Default
UDP Checksum Offload (ipv4): Rx & Tx Enabled
UDP Checksum Offload (ipv6): Rx & Tx Enabled
Wait for Link: Off
Wake on Link Settings: Disabled
Wake on Magice Packet: Disabled
Wake on Patter Match: Disabled

This seemed to help my issues.

 

You have a garbage network adapter if you believe this is the cause of you being throttled.....replace it!
There should be no need to mess with advanced settings, unless your running a specific area network.

Software speed tests are not my cup of tea, as your almost guaranteed not to get the advertised speeds you signed up for.
But this can depend on a lot of factors on both sides of the gateway.

 

So true.
More often than not, the advertised speeds are the modem's capability.
Mine is 42 Mbps and yet the best I've gotten is 20 Mbps. 9 out of 10 times it goes no higher then 6-8 Mbps.

 

I am still trying to figure out the issue here.

I have never run into these issues with Ethernet port.I think the modem it self is fine.

Running Test. On Speed & Duplex issues.

When i select 100Mbps Full Duplex it's speed is this.



But When i select Auto Negotiation The Speed is this.



Here is a test with 1.0 Gbps Full Duplex



So Apparently there are major issues going on with Windows and 100Mbps settings If i go with 1.0 Gbps Full Duplex I get a lower Ping by like 2 ms.I have never run into such a problem like this.

And on top of that Windows 10 is Capping internet usage in group policy by 80% and i just found this out.That is the default settings WTF.


Even Windows 7 at most capped it at 20%.

 

This is driving me crazy.........

 

Just leave it at 1GB duplex before you mess something else up.

 

lol This is before i even touched it.I may have fixed it.I am not afraid of digging into Microsoft Mess of an OS.

 

Seems to be stable currently.

Another few adjustments had to be made through CMD.

 

The only problem with Windows is that because its so widespread, it will naturally attract those who have little clue, and should be reading books instead.
If you cant read, I suggest Lego!

 

So after a couple of days my Speed-test still shows this.


So it seems i have fixed the problem.Not sure if it was Hardware related or the Crappy software that this motherboard uses.