Why my link speed limited to 100mbps ?
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 Aug 1 2018, 12:40 AM, updated 8y ago
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#1
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Junior Member
102 posts Joined: Dec 2016 From: BUMI/Earth  
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I dont know why just stuck at 100mbps even though i used cat5e cable which support 1 gbit and a dlink DIR- 850L router. My motherboard LAN port support 1 gbit. (Asus H110M-D). Anyone pro know how to fix it ? Thx
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Aug 1 2018, 12:42 AM
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#2
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Senior Member
3,669 posts Joined: Apr 2006
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......A picture of your so called cat5e connector please?
Make sure the wiring at the connector can be seen clearly. |
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Aug 1 2018, 12:45 AM
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#3
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Senior Member
1,197 posts Joined: Apr 2007
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So this speed issue...
confirm inside properties that ur Ethernet is set to Auto Nego confirm ur DIR-850L settings for LAN is 1Gbps Lan cable does not really matter here... unless u going more then 10Gbps. |
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Aug 1 2018, 12:47 AM
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#4
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Senior Member
3,669 posts Joined: Apr 2006
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QUOTE(popopi @ Aug 1 2018, 12:45 AM) So this speed issue... It matters.confirm inside properties that ur Ethernet is set to Auto Nego confirm ur DIR-850L settings for LAN is 1Gbps Lan cable does not really matter here... unless u going more then 10Gbps.  Some LAN cable only has 4 wires instead of 8.  |
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Aug 1 2018, 12:47 AM
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#5
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Junior Member
102 posts Joined: Dec 2016 From: BUMI/Earth
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QUOTE(JohnLai @ Aug 1 2018, 12:42 AM) ......A picture of your so called cat5e connector please? Make sure the wiring at the connector can be seen clearly. |
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Aug 1 2018, 12:48 AM
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#6
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Senior Member
1,197 posts Joined: Apr 2007
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QUOTE(JohnLai @ Aug 1 2018, 12:47 AM) It matters. If this happen, there is no way to teach how to fix this ya.... need send support to the PC there already...Some LAN cable only has 4 wires instead of 8. |
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Aug 1 2018, 12:49 AM
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#7
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Senior Member
1,197 posts Joined: Apr 2007
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QUOTE(ootik123 @ Aug 1 2018, 12:47 AM) and login into the modem confirm u running 1Gbps... also, bring other pc/laptop and cucuk.. see the speed is 100 or 1000 |
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Aug 1 2018, 12:50 AM
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#8
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Junior Member
102 posts Joined: Dec 2016 From: BUMI/Earth
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QUOTE(popopi @ Aug 1 2018, 12:45 AM) So this speed issue... Confirmed all setting on router are set to 1 gbit .confirm inside properties that ur Ethernet is set to Auto Nego confirm ur DIR-850L settings for LAN is 1Gbps Lan cable does not really matter here... unless u going more then 10Gbps. |
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Aug 1 2018, 12:51 AM
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#9
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Senior Member
3,669 posts Joined: Apr 2006
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QUOTE(ootik123 @ Aug 1 2018, 12:47 AM) http://dlcdnet.asus.com/pub/ASUS/mb/04LAN/...3.1003.2017.zip |
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Aug 1 2018, 12:51 AM
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Senior Member
1,197 posts Joined: Apr 2007
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QUOTE(JohnLai @ Aug 1 2018, 12:51 AM) O.o....8 wires, so we can rule out fake LAN cable....have you update the LAN chip drivers yet? Previously is running 1000?? i suggest do the simple reset for both 1st...http://dlcdnet.asus.com/pub/ASUS/mb/04LAN/...3.1003.2017.zip |
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Aug 1 2018, 12:52 AM
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Senior Member
3,669 posts Joined: Apr 2006
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QUOTE(ootik123 @ Aug 1 2018, 12:50 AM) Confirmed all setting on router are set to 1 gbit . But the picture is WAN port....how about the other 4 LAN ports? |
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Aug 1 2018, 12:55 AM
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Junior Member
102 posts Joined: Dec 2016 From: BUMI/Earth
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QUOTE(JohnLai @ Aug 1 2018, 12:52 AM) But the picture is WAN port....how about the other 4 LAN ports? I don think i saw any LAN port speed setting ,just only WAN port and i updated my ethernet port driver last week from asus website. |
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Aug 1 2018, 12:59 AM
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Senior Member
3,669 posts Joined: Apr 2006
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QUOTE(ootik123 @ Aug 1 2018, 12:55 AM) I don think i saw any LAN port speed setting ,just only WAN port and i updated my ethernet port driver last week from asus website.  Check the device properties yet? |
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Aug 1 2018, 01:17 AM
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All Stars
11,459 posts Joined: Oct 2007 From: KL
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QUOTE(popopi @ Aug 1 2018, 12:45 AM) So this speed issue... You can't set the speed of the LAN ethernet ports in the DIR-850L.confirm inside properties that ur Ethernet is set to Auto Nego confirm ur DIR-850L settings for LAN is 1Gbps Lan cable does not really matter here... unless u going more then 10Gbps. This post has been edited by soonwai: Aug 1 2018, 01:27 AM |
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Aug 1 2018, 01:25 AM
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All Stars
11,459 posts Joined: Oct 2007 From: KL
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QUOTE(ootik123 @ Aug 1 2018, 12:40 AM) I dont know why just stuck at 100mbps even though i used cat5e cable which support 1 gbit and a dlink DIR- 850L router. My motherboard LAN port support 1 gbit. (Asus H110M-D). Anyone pro know how to fix it ? Thx Can you take a picture of both ends of the cable so we can see that all 8 wires inside the cable are crimped correctly. We need to see the colours clearly.Rule out the cable first, as johnlai said, it may be the cause of the problem which I find to be the true in many cases. Do you have another cable to test? Also try cleaning the contacts on the cable, PC's ethernet port and router ethernet ports where necessary. It may also be an auto-negotiation incompatibility between the DIR-850L and your motherboard. For this you can try: 1. turning off auto-neg and force the PC to 1Gbps. 2. Updating/downgrading NIC drivers. 3. Updating/downgrading router firmware. But try sorting out the cable first. This post has been edited by soonwai: Aug 1 2018, 01:26 AM |
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Aug 1 2018, 01:27 AM
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Senior Member
1,197 posts Joined: Apr 2007
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QUOTE(soonwai @ Aug 1 2018, 01:25 AM) Can you take a picture of both ends of the cable so we can see that all 8 wires inside the cable are crimped correctly. We need to see the colours clearly. Yes, force to 1Gbps will be a good idea... Rule out the cable first, as johnlai said, it may be the cause of the problem which I find to be the true in many cases. Do you have another cable to test? Also try cleaning the contacts on the cable, PC's ethernet port and router ethernet ports where necessary. If it may also be an auto-negotiation incompatibility between the DIR-850L and your motherboard. For this you can try: 1. turning off auto-neg and force the PC to 1Gbps. 2. Updating/downgrading NIC drivers. 3. Updating/downgrading router firmware. But try sorting out the cable first. just make sure all 8 wires are the same ordering... if there are 4 wires swapped.. it should auto set as well.. so called cross cable/straight cable... Ethernet nowdays should able to handle auto detect cross or straight. |
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Aug 1 2018, 01:33 AM
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All Stars
11,459 posts Joined: Oct 2007 From: KL
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QUOTE(popopi @ Aug 1 2018, 01:27 AM) Yes, force to 1Gbps will be a good idea... Just to clarify, "force to 1Gbps will be a good idea" only if it's a negotiation problem. If it's a cable problem, it'll make things worse. It might link at 1Gbps but the ports will flap (go on/off) or you'll get lotsa packet loss and low speed.just make sure all 8 wires are the same ordering... if there are 4 wires swapped.. it should auto set as well.. so called cross cable/straight cable... Ethernet nowdays should able to handle auto detect cross or straight. This post has been edited by soonwai: Aug 1 2018, 01:34 AM |
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Aug 1 2018, 07:59 AM
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Senior Member
551 posts Joined: Dec 2005
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Happened to me once... The cable is the culprit in my case... Re-crimp both end n my problem solved
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Aug 1 2018, 10:15 AM
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Senior Member
5,714 posts Joined: Mar 2007 
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QUOTE(ootik123 @ Aug 1 2018, 12:40 AM) I dont know why just stuck at 100mbps even though i used cat5e cable which support 1 gbit and a dlink DIR- 850L router. My motherboard LAN port support 1 gbit. (Asus H110M-D). Anyone pro know how to fix it ? Thx Just try a different cable, either another Cat5e or Cat6. |
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Aug 1 2018, 01:09 PM
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Senior Member
1,197 posts Joined: Apr 2007
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TS, issue solved already or not?
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