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LAN speed (Cat5e) capped to 100MiB only despite all 8 wires connected
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Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)convert home phone wiring to EthernetHow to terminate ends to router in structured wiring panelLinksys E3000 slow local speed on 1Gb/s Cat5e cableGigabit router only using 100mbitWhy is my LAN not gigabit?Why did a ethernet connection work despite wrong wiring (3 out of 4 wires were correct)?Why is my connection only 100Mbps?Apartment (condo) Ethernet Wiring adviceCombining IPTV and Internet over one Ethernet cableDetermining ethernet wire category/speed
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I have just moved to a new apartment which has cat5e wires running through the walls to each room and to a centralized panel. I got a guy to crimp both ends of the wires and tested the network speed of the wires using a 1gb router. The computer I used to test (a 2017 macbook pro has a gigabit nic).
To my surprise, I only got the speed of 100MiB.
I also tested a stock wire I had lying around and connected it directly to the router (got 1GB as expected).
Suspecting something is wrong with the wiring, I used a professional wiring testing tool to check the cable wiring which indicated all 8 wires are connected (see image)
I'm suspecting something is wrong with the wire, but it's brand new and tested well by the wiring check tool. Can you think of a reason for the speed to only get to 100MiB?
wiring tool indication
networking router ethernet lan cat5e
asked 5 hours ago
FDCTFDCT
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I have just moved to a new apartment which has cat5e wires running through the walls to each room and to a centralized panel. I got a guy to crimp both ends of the wires and tested the network speed of the wires using a 1gb router. The computer I used to test (a 2017 macbook pro has a gigabit nic).
To my surprise, I only got the speed of 100MiB.
I also tested a stock wire I had lying around and connected it directly to the router (got 1GB as expected).
Suspecting something is wrong with the wiring, I used a professional wiring testing tool to check the cable wiring which indicated all 8 wires are connected (see image)
I'm suspecting something is wrong with the wire, but it's brand new and tested well by the wiring check tool. Can you think of a reason for the speed to only get to 100MiB?
wiring tool indication
networking router ethernet lan cat5e
asked 5 hours ago
FDCTFDCT
1
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago
add a comment |
I have just moved to a new apartment which has cat5e wires running through the walls to each room and to a centralized panel. I got a guy to crimp both ends of the wires and tested the network speed of the wires using a 1gb router. The computer I used to test (a 2017 macbook pro has a gigabit nic).
To my surprise, I only got the speed of 100MiB.
I also tested a stock wire I had lying around and connected it directly to the router (got 1GB as expected).
Suspecting something is wrong with the wiring, I used a professional wiring testing tool to check the cable wiring which indicated all 8 wires are connected (see image)
I'm suspecting something is wrong with the wire, but it's brand new and tested well by the wiring check tool. Can you think of a reason for the speed to only get to 100MiB?
wiring tool indication
networking router ethernet lan cat5e
asked 5 hours ago
FDCTFDCT
1
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have just moved to a new apartment which has cat5e wires running through the walls to each room and to a centralized panel. I got a guy to crimp both ends of the wires and tested the network speed of the wires using a 1gb router. The computer I used to test (a 2017 macbook pro has a gigabit nic).
To my surprise, I only got the speed of 100MiB.
I also tested a stock wire I had lying around and connected it directly to the router (got 1GB as expected).
Suspecting something is wrong with the wiring, I used a professional wiring testing tool to check the cable wiring which indicated all 8 wires are connected (see image)
I'm suspecting something is wrong with the wire, but it's brand new and tested well by the wiring check tool. Can you think of a reason for the speed to only get to 100MiB?
wiring tool indication
networking router ethernet lan cat5e
networking router ethernet lan cat5e
asked 5 hours ago
FDCTFDCT
1
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 5 hours ago
FDCTFDCT
1
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 5 hours ago
FDCTFDCT
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New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 5 hours ago
FDCTFDCT
1
asked 5 hours ago
FDCTFDCT
1
1
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
FDCT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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Check out our Code of Conduct.
Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago
add a comment |
Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago
Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago
Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago
add a comment |
1 Answer
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If you don't follow a color coding inside on the wire, the cable is technically not CAT5e, but only CAT3, which can only reach speeds of 100MiB. You can see the colors they used from inside the plug. Verify that the colors are:
If your cable is not as follows, then the guy who made the cables has no idea what he is doing, and you don't have a CAT5e cable, which is why the speeds are reduced.
answered 5 hours ago
LPChipLPChip
37k55588
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
add a comment |
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If you don't follow a color coding inside on the wire, the cable is technically not CAT5e, but only CAT3, which can only reach speeds of 100MiB. You can see the colors they used from inside the plug. Verify that the colors are:
If your cable is not as follows, then the guy who made the cables has no idea what he is doing, and you don't have a CAT5e cable, which is why the speeds are reduced.
answered 5 hours ago
LPChipLPChip
37k55588
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
add a comment |
If you don't follow a color coding inside on the wire, the cable is technically not CAT5e, but only CAT3, which can only reach speeds of 100MiB. You can see the colors they used from inside the plug. Verify that the colors are:
If your cable is not as follows, then the guy who made the cables has no idea what he is doing, and you don't have a CAT5e cable, which is why the speeds are reduced.
answered 5 hours ago
LPChipLPChip
37k55588
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
add a comment |
If you don't follow a color coding inside on the wire, the cable is technically not CAT5e, but only CAT3, which can only reach speeds of 100MiB. You can see the colors they used from inside the plug. Verify that the colors are:
If your cable is not as follows, then the guy who made the cables has no idea what he is doing, and you don't have a CAT5e cable, which is why the speeds are reduced.
answered 5 hours ago
LPChipLPChip
37k55588
If you don't follow a color coding inside on the wire, the cable is technically not CAT5e, but only CAT3, which can only reach speeds of 100MiB. You can see the colors they used from inside the plug. Verify that the colors are:
If your cable is not as follows, then the guy who made the cables has no idea what he is doing, and you don't have a CAT5e cable, which is why the speeds are reduced.
answered 5 hours ago
LPChipLPChip
37k55588
answered 5 hours ago
LPChipLPChip
37k55588
answered 5 hours ago
LPChipLPChip
37k55588
answered 5 hours ago
LPChipLPChip
37k55588
37k55588
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
add a comment |
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
get a cable tester - will tell you why immediately
– JohnnyVegas
5 hours ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Thus assumes the 568B standard. The equivalent a standard.woukd also bo acceptable. It assumes eveeything is correctly crimped as well.
– davidgo
27 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
Actually, thinking about it, isnt it more likely he tried to crimp solid cable? That doesnt work that wwll.
– davidgo
25 mins ago
add a comment |
FDCT is a new contributor. Be nice, and check out our Code of Conduct.
FDCT is a new contributor. Be nice, and check out our Code of Conduct.
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Did you really mean MiB? MiB is MebiBytes. So 100MiB = 838,860,800 bits. That's only a little short of the theoretical max throughput of TCP over IPv4 over standard 1500 Byte frames over gigabit Ethernet, which is about 943,000,000 bits per second. The difference could be the overhead of whatever software/protocol you're using to measure the speed. If you didn't mean MebiBytes, please edit your question to use the right units or unit abbreviation.
– Spiff
1 hour ago