Question Slow Upload Speed Using Ethernet

[Th3Doo]

I've read some of the topics that were suggested for my title and unfortunately none of the solutions to those topics has helped me.

For some context:
I recently (about 4 days ago) built a brand-new desktop using a Gigabyte B650 Gaming X AX motherboard and the last few days I have been experiencing very low upload speeds to speedtest.net and other speedtest sites. I have an old desktop with an MSI B350 Tomahawk motherboard, which was also experiencing low speeds, so I brought this up to my ISP hoping they would help solve the problem. The tech I know and have a line of communication with spent a few hours eliminating all possibilities until we ran a speedtest on my smartphone. The smartphone ran at full advertised internet speed, both upload and download. Both my desktop computers were experiencing slow upload speeds so this is why I assumed it was an ISP issue.

Both desktops connected to the internet via ethernet cable running speed tests provide pretty close to full download speed, but upload speed is often less than 10% of advertised speed. The kicker is the Gigabyte B650 has a wireless adapter and running the speedtest on that results in approx. 50% of advertised upload. At this point I'm stumped and am reinstalling drivers and toggling advanced setting for the NIC to no avail.

I'm at my wits end. My next idea is running a live linux ISO to eliminate all possible driver issues. Wish me luck!

 

[Lutfij]

Make and model of your router(that you've gotten from your ISP)? Perhaps replace the cable leading from your device to the Ethernet port? Just a side question, did you reinstall the OS after your upgrade, n case you migrated the OS/storage drive onto the new build?

 

[Ralston18]

Update your post to include full system hardware specs and OS information.

Run "ipconfig /all" (without quotes) on the new build via the Command Prompt and post the results.

Do the same for the old desktop.

You should be able to copy and paste the results without needing to retype everything.

Immediate things to look for on the new build: ensure that only one network adapter, either wired or wireless, is enabled.

Disabling IPv6 may help.

 

[Th3Doo]

Hi, thanks for the quick response!
My router is a MikroTik hAP ac2.

Full system specs for new build:
Gigabyte B650 Gaming X AX
AMD Ryzen 9 7900X3D
2x 16GB G.Skill Flare x5 DDR5-6000MHz
I can't imagine the rest would be relevant but feel free to ignore it:
XFV Radeon RX 7900 XT Speedster MERC 310
Mushkin Vortex 2TB SSD

New build ipconfig:
Windows IP Configuration

Host Name . . . . . . . . . . . . : DESKTOP-C1S695O
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek Gaming 2.5GbE Family Controller
Physical Address. . . . . . . . . : 74-56-3C-C2-9A-9F
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::85fb:99c5:f73e:f4ff%19(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.88.24(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, 06 October 2023 22:06:41
Lease Expires . . . . . . . . . . : Friday, 06 October 2023 23:06:40
Default Gateway . . . . . . . . . : 192.168.88.1
DHCP Server . . . . . . . . . . . : 192.168.88.1
DHCPv6 IAID . . . . . . . . . . . : 242505276
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-2C-AF-3B-DA-74-56-3C-C2-9A-9F
DNS Servers . . . . . . . . . . . : 1.1.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : 7C-66-EF-F4-69-78
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Full specs for old build:
MSI B350 Tomahawk
AMD Ryzen 7 1700X
4x 8GB Corsair Vengeance 2133MHz
GTX 1070ti
KLEVV Cras C720 500GB SSD

Old build ipconfig:
Windows IP Configuration

Host Name . . . . . . . . . . . . : DESKTOP-SCOTT
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller
Physical Address. . . . . . . . . : 4C-CC-6A-F9-F1-A9
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::d129:d6c2:3027:2a01%7(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.88.242(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, 06 October 2023 20:24:25
Lease Expires . . . . . . . . . . : Saturday, 07 October 2023 01:03:35
Default Gateway . . . . . . . . . : 192.168.88.1
DHCP Server . . . . . . . . . . . : 192.168.88.1
DHCPv6 IAID . . . . . . . . . . . : 323800170
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-29-3F-49-D2-4C-CC-6A-F9-F1-A9
DNS Servers . . . . . . . . . . . : 1.1.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:2851:fcb0:2803:39f3:5a5a:70ee(Preferred)
Link-local IPv6 Address . . . . . : fe80::2803:39f3:5a5a:70ee%10(Preferred)
Default Gateway . . . . . . . . . : ::
DHCPv6 IAID . . . . . . . . . . . : 167772160
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-29-3F-49-D2-4C-CC-6A-F9-F1-A9
NetBIOS over Tcpip. . . . . . . . : Disabled

OS I am running is Windows 11 Pro, though I tried running speed tests with a live boot Ubuntu distro and had similar results.

I have tried swapping multiple ethernet cables to no success. I have made sure all network adapters that aren't ethernet are disabled (unless the bluetooth on the mb of the new build matters, I tried disabling it, to little success).

It just seems so strange to me that both desktops have issues, but my phone doesn't. I have also tried tethering and hotspotting my phone to share it's WiFi connection and the upload speed remains the same.

Edit: I disabled IPv6 on the new system after posting my ipconfigs. This didn't seem to affect it. Though testing my old build now results in max speed speedtests, though this was before disabling IPv6. The new system remains unchanged.