I have an issue of speed bottlenecks on a small-ish office network that I am looking for troubleshooting advice for.
Here are the known properly functioning links points from the outside inward, all connected with Cat5e cable:
Asus Router links to:
WAN - Cisco 48 port switch mentioned above - 1 Gbps link
LAN 1 - PC #1 with gigabit controller - 100 Mbps link, speedtest never goes above 10-12 Mbps down, but does get 10 up.
LAN 2 - PC #2 with gigabit controller - 1 Gbps link, speedtest solid 100+
LAN 3 - DVR for security cameras - 100 Mbps (Expected, I think)
LAN 4 - Netgear GS105 Prosafe Gigabit switch - 100Mbps link (Unexpected)
So, I have two PCs not getting anywhere near their expected download speed.
Today, I swapped cables from the Asus router as follows -
Originally, LAN 1 to PC #1, LAN 2 to PC #2
Swapped, LAN 1 to PC #2, LAN 2 to PC#1.
The Gigabit link followed PC #1, so I am fairly sure PC#2 is the issue, and not the cable or router port, right?
For PC #3, it will be pretty difficult to replace the cable, but that is my suspicion at this point. That said though, if PC #2 has an issue causing slow speeds, PC #3 may have the same issue which may be causing the link to show only 100Mbps... maybe?
So, the big question... what could cause a computer connected to a router with a known good cable in a known good port to get only 10/10 when it should get 100/10 like it's direct neighbor?
All computers are 2 years old or under, and are updated to the latest release of Windows 10 Pro (Spring Update 2018). I have no real history of speeds received, as we just recently bumped from 15/2 with our ISP to 100/10.
Thanks.
Here are the known properly functioning links points from the outside inward, all connected with Cat5e cable:
100/10 service from ISP - I regular hit 100+/10 from other devices.
Ubiquiti Edgerouter Lite
Cisco 48 Port Switch
Asus RT-AC1900 Router
Asus Router links to:
WAN - Cisco 48 port switch mentioned above - 1 Gbps link
LAN 1 - PC #1 with gigabit controller - 100 Mbps link, speedtest never goes above 10-12 Mbps down, but does get 10 up.
LAN 2 - PC #2 with gigabit controller - 1 Gbps link, speedtest solid 100+
LAN 3 - DVR for security cameras - 100 Mbps (Expected, I think)
LAN 4 - Netgear GS105 Prosafe Gigabit switch - 100Mbps link (Unexpected)
- Network printer on GS105 port 1
- PC #3 on GS105 Port 2 Gigabit controller that will blip as high as 25Mbps, but generally sits right at 10Mbps down/10 up.
So, I have two PCs not getting anywhere near their expected download speed.
Today, I swapped cables from the Asus router as follows -
Originally, LAN 1 to PC #1, LAN 2 to PC #2
Swapped, LAN 1 to PC #2, LAN 2 to PC#1.
The Gigabit link followed PC #1, so I am fairly sure PC#2 is the issue, and not the cable or router port, right?
For PC #3, it will be pretty difficult to replace the cable, but that is my suspicion at this point. That said though, if PC #2 has an issue causing slow speeds, PC #3 may have the same issue which may be causing the link to show only 100Mbps... maybe?
So, the big question... what could cause a computer connected to a router with a known good cable in a known good port to get only 10/10 when it should get 100/10 like it's direct neighbor?
All computers are 2 years old or under, and are updated to the latest release of Windows 10 Pro (Spring Update 2018). I have no real history of speeds received, as we just recently bumped from 15/2 with our ISP to 100/10.
Thanks.