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Solved
Fast LAN/Slow Wifi on XR450
Hello, I have a XR450 wifi router connecting to the Arris modem provided by Spectrum. I checked and compare the speed on various sites. When I test my computer by hooking up wired LAN, the speed is ...
I finally found out the reason!
I didn't setup 2Ghz and 5Ghz radio frequency separately. Now when I connect to the 5Ghz one, I got over 200Mbps. With the 2Ghz, it is only 50Mbps at best. Didn't think that it is not automatically switch radio.
Thank you for all your helps.
Yes the test is performed on both wired and wireless.
Wired directly from the modem. Wireless from the XR450. Both slower than what they should be.
The Smart Connection enabled.
I factory resetted after FW updated. I check FW update again and it is up-to-date.
Is QoS enabled? If so, disable QoS and Anti BufferBloat and save the setting, reboot both modem, router and PC and test speeds again.
So at the modem you get over 200Mbps, and at the XR router wired you only see way less.
Can you check with your wired PC to see the connection rate between the PCs network adapter card and the XR router? Should be 1000Mbps
FURRYe38 wrote:Is QoS enabled? If so, disable QoS and Anti BufferBloat and save the setting, reboot both modem, router and PC and test speeds again.
So at the modem you get over 200Mbps, and at the XR router wired you only see way less.
Can you check with your wired PC to see the connection rate between the PCs network adapter card and the XR router? Should be 1000Mbps
I tried enable and disable QoS & Anti BufferBloat. They yielded the same results. Nothing changed.
No, I mean the over 200 Mbps is popped up when I first set up the router (new/fresh setup).
It showed up at 1:15 at this video. (Look like that but over 200 Mbps)
And it is Spectrum advertised speed. I asked Spectrum to run some test to see what speed do they get (online support). They said their run test is over 200 Mbps too.
The wired PC from the Arris Modem is 80 Mbps, and the Laptop I connected via wifi of the XR router is 40 Mbps. Which are way far less than the speed it should be.
So your only getting 80Mbps with a wired PC directly behind the modem? This would not be good. Do you have another wired PC to test with the modem directly? Either the network adapter on this PC isn't getting 1000Mb connection rate at the modem or it's getting 100Mbps which would result in what your seeing with 80Mbps with a wired PC at the modem.
So this is possible a bad cable, bad adapter on the PC or not configured correctly or possible bad LAN port at the modem.
FURRYe38 wrote:So your only getting 80Mbps with a wired PC directly behind the modem? This would not be good. Do you have another wired PC to test with the modem directly? Either the network adapter on this PC isn't getting 1000Mb connection rate at the modem or it's getting 100Mbps which would result in what your seeing with 80Mbps with a wired PC at the modem.
So this is possible a bad cable, bad adapter on the PC or not configured correctly or possible bad LAN port at the modem.Do you have any video or source that help me to config the modem or the router properly? I don't think I can't login the modem to config anything.
192.168.100.1 is the only IP address I can access as the screenshots.
Either 192.168.1.0 or 192.168.1.1 or 192.168.0.1 are unable to accessed.