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AX1800 - 300Mbps in, but only 100Mbps out
Windows 10, Spectrum 300 Mbps internet via ES2251 modem
- I've verified the firmware is up to date.
- I've checked the drivers.
- I've power cycled it and the Spectrum modem. Multiple times.
- I've bought new Cat6 cables.
- I've tried more cables.
- I swapped the cables to different ports
- I've gone under Device Manager > Network Adapters > Realtek PCI GbE Family Controller > Advanced > Speed & Duplex > Set it to Automatic and also tried 1.0 Gbps Full Duplex
- I did the same for Device Manager > Network Adapters > Realtek PCIe GbE Family Controller
Still, I get about 360 Mbps when I go direct from the Spectrum modem to the ethernet port, but only 94 Mbps when I go through the router.
I've spent hours talking to the outsourced tech support (getting disconnected twice) only to finally be told that 100 Mbps is the most that can be obtained from any one of the WAN ports. I see lots of people are having the same problem, but every solution seems to make no difference.
Before I return this router, is there any way to solve this problem?
Well, I've again tried resetting everything. Tried even more CAT6 cables. Disabled QOS on a co-workers suggestion. Still I get only 100 MBps.
At least when I return it, I can feel satisfied that I tried everything I could.
10 Replies
- Which router model? AX1800 is a speed, not model!
There are no AX routers with only 100 Mbps LAN portsR6700AX is the model number. Sorry about that, it's so much smaller print on the box.
Before I return this router, is there any way to solve this problem?
hello Chris
I saw this question of yours here yesterday
and looked up your Spectrum (Sercomm) ES2251 modem.
it has a 2.5GbE port, and auto-negotiates its speed 10,100,1000,2500.
https://d15yx0mnc9teae.cloudfront.net/sites/default/files/Spectrum%20eMTA%20User%20Guide-cross.pdf
meantime while I was looking it up, a reply arrived here for you.
I decided to afford "forum etiquette" and not interrupt.
but it seems nothing further is forthcoming.
also meantime, I see you've reposted the question.
maybe it could be said, unsurprisingly you've reposted.
but only to be greeted with scowling from yet other forum members for having done so.
so I'm doubly reluctant to contribute anything to this Question, I hope you understand.
...except to suggest you can check your R6700 User Manual
for the ports' LED color-speed meanings
then for a test, temporarily cause an ethernet loop by plugging that router's LAN to WAN
and check if it shows only 100Mbps that way
in which case, possibly your new router is faulty.
@et al
carry on
