TOO Slow Speed using ethernet cable

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macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Sat Aug 27, 2022 18:19    Post subject: TOO Slow Speed using ethernet cable Reply with quote
Hi.

I have a problem here.

Linksys WRT 1200 AC

DD-WRT v3.0-r48138 (01/17/22)

ISP SPEED: 1 GIGABIT OR (1000 MEGA)

ISP ROUTER IN BRIDGE

ISP SPEED USING ETHERNET 1GB

DD-WRT SPEED USING ETHERNET 100MB

Is there a way to solve this?

Thanks.
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blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Sat Aug 27, 2022 18:53    Post subject: Reply with quote
Try another Ethernet cable. Be sure you are not limiting yourself with QoS settings. Try new build, factory defaults.
oliver44
DD-WRT Guru


Joined: 01 Jun 2016
Posts: 504

PostPosted: Sat Aug 27, 2022 22:34    Post subject: Reply with quote
Maybe there are problems with the network card, try to deactivate and reactivate the network card, I have this problem on a ROG MAXIMUS X CODE, I also have 1gbps internet and sometimes the network card switches to 100mbps mode!
_________________
Internet provider https://en.wikipedia.org/wiki/RCS_%26_RDS 1Gbps
WDR3600 rev.1.5 - DD-Wrt
Linksys WRT1900ACS v.2 DD-Wrt/-OpenWrt



https://ipv6.chappell-family.com/ipv6tcptest/
https://en.internet.nl/connection/e91f490fe1c54cb2b78145c0ab0d2b5a/results
http://www.dnssec-or-not.com/
https://dnscheck.tools/#results
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Mon Aug 29, 2022 18:58    Post subject: Reply with quote
Done!
Deactivated and reactivated.
Other ethernet Cable.
And factory default.
I´m in the same point.
I tried using linux mint, and there´s no way , the same speed.
The Router is not well.
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Mon Aug 29, 2022 19:22    Post subject: Reply with quote
[quote="blkt"]Try another Ethernet cable. Be sure you are not limiting yourself with QoS settings. Try new build, factory defaults.[/quote]

I tried a few minutes ago with the expressvpn app on the router and there´s no way.

It´s the same speed.

Something is wrong with the router.

TCP OPTIMIZER don´t work.

And with the lastest firmware too , same speed.
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Mon Aug 29, 2022 20:08    Post subject: Reply with quote
Is this with or without a VPN connection? Is SFE enabled or not? Current release is 49976. Ensure you are using the firmware for your version of the 1200. You should probably also do an 'nvram erase && reboot' and re-configure manually and not load a backup from and older build.

https://ftp.dd-wrt.com/dd-wrtv2/downloads/betas/2022/08-29-2022-r49976/

And I see that you are one of those who edits posts and makes replies confusing. That's my cue.

_________________
"The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep." - Robert Frost

"I am one of the noticeable ones - notice me" - Dale Frances McKenzie Bozzio

<fact>code knows no gender</fact>

This is me, knowing I've ruffled your feathers, and not giving a ****
Some people are still hard-headed.

--------------------------------------
Mac Pro (Mid 2012) - Two 2.4GHz 6-Core Intel Xeon E5645 processors 64GB 1333MHz DDR3 ECC SDRAM OpenSUSE Leap 15.5
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Mon Aug 29, 2022 20:47    Post subject: Reply with quote
Without
What´s SFE?
I used Marvell r49976
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Mon Aug 29, 2022 23:56    Post subject: Reply with quote
Setup -> Basic Setup under WAN Setup -> Optional Settings -> Shortcut Forwarding Engine
_________________
"The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep." - Robert Frost

"I am one of the noticeable ones - notice me" - Dale Frances McKenzie Bozzio

<fact>code knows no gender</fact>

This is me, knowing I've ruffled your feathers, and not giving a ****
Some people are still hard-headed.

--------------------------------------
Mac Pro (Mid 2012) - Two 2.4GHz 6-Core Intel Xeon E5645 processors 64GB 1333MHz DDR3 ECC SDRAM OpenSUSE Leap 15.5
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Tue Aug 30, 2022 0:04    Post subject: Reply with quote
Activated
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Tue Aug 30, 2022 0:21    Post subject: Reply with quote
Attach
Monza
DD-WRT User


Joined: 01 Jul 2018
Posts: 438

PostPosted: Wed Aug 31, 2022 21:26    Post subject: Reply with quote
Check the Ethernet Secondary Indicators on the 1200. The attached image is from the 1200 manual (sloppy edit, sorry). If the small dot light under the port light is not lit up the router does not recognize the connected device as a GB connection. Could indicate the device default is 100 Mb's, the NIC card does not support GB/is defective or there is a defective cable or Ethernet port on the device.

It will at least tell you what the router thinks the connection is.

If NIC is bad I've used these with success . . .

https://www.amazon.com/TP-Link-Ethernet-UE306-Foldable-10-11-10-15-dp-B09GRL3VCN/dp/B09GRL3VCN/ref=dp_ob_title_ce?th=1

https://www.amazon.com/Sabrent-4-Port-Individual-Switches-HB-UM43/dp/B00JX1ZS5O/ref=sr_1_7?keywords=sabrent&qid=1662031133&sr=8-7

I use the hub on older models with only one USB 3.0 port. Not sure it would work at GB speeds with USB 2.0?


Last edited by Monza on Thu Sep 01, 2022 11:20; edited 1 time in total
dale_gribble39
DD-WRT Guru


Joined: 11 Jun 2022
Posts: 1899

PostPosted: Thu Sep 01, 2022 2:39    Post subject: Reply with quote
Seems that the WRT1200AC is not using vlan2 for wan port and doesn't have vlan1 on the networking page. Interesting since the 88E6176 supports 4096 802.1q VLANs. The switch itself is supposed to have 2 CPU ports.
_________________
"The woods are lovely, dark and deep,
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep." - Robert Frost

"I am one of the noticeable ones - notice me" - Dale Frances McKenzie Bozzio

<fact>code knows no gender</fact>

This is me, knowing I've ruffled your feathers, and not giving a ****
Some people are still hard-headed.

--------------------------------------
Mac Pro (Mid 2012) - Two 2.4GHz 6-Core Intel Xeon E5645 processors 64GB 1333MHz DDR3 ECC SDRAM OpenSUSE Leap 15.5
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Thu Sep 01, 2022 3:51    Post subject: Reply with quote
Router in Bridge mode with Ethernet Cable , connected to desktop.
macawcode
DD-WRT Novice


Joined: 11 Jan 2022
Posts: 34

PostPosted: Thu Sep 01, 2022 4:17    Post subject: unfortunately I bricked the router Reply with quote
I tried with openwrt for set with lucy-app the surfshark wireguard client, it diden´t work.
So i tried to install dd-wrt again.
blkt
DD-WRT Guru


Joined: 20 Jan 2019
Posts: 5660

PostPosted: Thu Sep 01, 2022 4:35    Post subject: Reply with quote
After major FW environment changes: hardware reset 10 sec, webUI Factory Defaults or nvram erase && reboot.

Clear history or use a portable. Temporary cache bypass: Ctrl+F5, Cmd+Shift+R, new private window/incognito.
Recommend portable web browser settings never remember history, disable forms autofill, logins, pass, spelling.

There are two versions of wrt1200ac. Which model is shown exactly on bottom? See label upper-right 'Model No.'
Today's release is r50012. https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2022/08-31-2022-r50012/

As already mentioned check Ethernet link rate solid white LEDs, Ethernet adapter or drivers, settings and cables.


Last edited by blkt on Thu Sep 01, 2022 4:46; edited 1 time in total
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