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Forum Discussion
Mdbradsh
Feb 27, 2023Apprentice
Low LAN and 5GHz WIFI speeds from RAXE500 Router?
Hello! I have a CM2000 modem that is supplying 1400+mps to a RAXE500 router. However, my wired LAN connection from the router to my 3 year old HP laptop tops out at 400-500mps? And my iPhone 12 ...
plemans
Mar 01, 2023Guru - Experienced User
So just to confirm, when the RAXE500 is using the 1 gig wan port, it has no problem hitting 940mbps.
Its only when the wan port is used that it drops?
Correct?
Have you tried swapping the modem/router's cable for a good quality cat 6 cable?
could be a sketchy cable causing issues going 2.5gig to 2.5gig ports thats limiting speeds.
Mdbradsh
Mar 02, 2023Apprentice
Sorry. Don't mean to be confusing.
It does not matter what RAXE500 Ethernet port I use, I do not get over 500mps to my laptop from any of the 4 LAN ports.
If I connect my CM2000 modem to the "regular" or 1 gig RAXE500 Ethernet port, I get Netgear App router speed test speed of 950+mps.
If I connect my CM2000 modem to the RAXE500 2.5 gig Ethernet port, I get Netgear App router speed test speed of 1400+mps...but I have noticed that it does fluxuate from 700+ mps at times to 1400+mps??Not sure if that's due to DOS attacks or what?
I have tried 2 or 3 different Ethernet cables and nothing changed. But regardless of which RAXE500 Ethernet port I connect my CM2000 modem to, ultimately I never get more than 400-500mps to my LAN connected laptop.
- plemansMar 02, 2023Guru - Experienced User
Huh. So the wan interface is pulling full speed (since the built in is giving you full speed) but not the wan-->lan interface.
Something to try is run a couple speedtests at once on separate devices at the same time. Then aggregate the speeds and see if it'll actually give you full 1.4gig with a couple devices.
sure seems like something in the wan-lan is having issues. I'd open a support case if you're still within that period.
- KitsapMar 02, 2023Master
Mdbradsh wrote:Sorry. Don't mean to be confusing.
It does not matter what RAXE500 Ethernet port I use, I do not get over 500mps to my laptop from any of the 4 LAN ports.
If I connect my CM2000 modem to the "regular" or 1 gig RAXE500 Ethernet port, I get Netgear App router speed test speed of 950+mps.
If I connect my CM2000 modem to the RAXE500 2.5 gig Ethernet port, I get Netgear App router speed test speed of 1400+mps...but I have noticed that it does fluxuate from 700+ mps at times to 1400+mps??Not sure if that's due to DOS attacks or what?
I have tried 2 or 3 different Ethernet cables and nothing changed. But regardless of which RAXE500 Ethernet port I connect my CM2000 modem to, ultimately I never get more than 400-500mps to my LAN connected laptop.
Please confirm, when you have the 2.5 Gbps port configured for WAN input, you have no connections plugged in to the regular 1 Gbps input port. Also you should have link aggregation (LAG) off for either WAN or LAN.
- MdbradshMar 02, 2023Apprentice
Yeah, my support ticket via chat/email shows expired, but support by phone shows good until October 2023? So not sure but gonna try by phone and have them remote in if it doesn't cost?
- MdbradshMar 02, 2023Apprentice
I have tried it with modem to 2.5 gig Ethernet port and PC connected to the "regular" 1 gig Ethernet port, and PC also connected to each of the LAN ports 1 - 4, with no change in 400-500 mps speed no matter the choice. And Link aggregation turned off
- KitsapMar 02, 2023Master
Mdbradsh wrote:I have tried it with modem to 2.5 gig Ethernet port and PC connected to the "regular" 1 gig Ethernet port, and PC also connected to each of the LAN ports 1 - 4, with no change in 400-500 mps speed no matter the choice. And Link aggregation turned off
There may be two places to turn link aggregation off. One on the WAN side and one on the LAN side.
- Razor512Mar 03, 2023Prodigy
ink aggregation should be off be default. Furthermore, if doing a factory reset, while troubleshooting, do not restore a backup file, wince those are often NVRAM dumps, thus if there are any issues due to any corrupt values, then those issues will be restores along with your normal settings.
When troubleshooting, if possible, also perform the setup using the web UI (often 192.168.1.1) and not the netgear app, this also avoids potential issues with the armor service activating automatically while troubleshooting the throughput issue.Another troubleshooting step you can try is in the advanced driver settings for the Ethernet adapter, disable "Advanced EEE" and "Green Ethernet". While rare, some Ethernet adapters have trouble with it for certain Ethernet runs where the issue may not show up on older routers that lack those functions (The RAXE500 supports them and will use them when available), this disabling it client side on the Ethernet adapter can be a great way to test if the issue is related to that or not.
- MdbradshMar 03, 2023Apprentice
Nothing for Link Agg. under LAN or WAN, in the RAXE500 Link Agg setting is only under Ethernet Settings. I checked and it's disabled, ....it's disabled by default.
- MdbradshMar 03, 2023Apprentice
I didn't restore my saved settings until after all else failed and I had to get my network back up. I prefer to do set up with a WEB UI when possible, and have always done so with my prior routers. but so far I have not succeeded in doing so with the RAXE500. Initial set up appears to be dependent on the Netgear app for some reason?
I'll try the suggested changes to my PC's LAN adapter and let you know if that helps or cures.
- Razor512Mar 03, 2023Prodigy
The web UI setup will fail if you are running any VPN software (need to close the app completely), as well as if you have any alternate DNS server set in your network settings or in your web browser.
One of the main reasons for a web UI setup to fail is due to a decision from netgear that is still not well understood where after the first step, it will try to redirect you from the IP to routerlogin.net even if you initially went to the initial setup page using the router's IP address.
While under average circumstances it is fine as it allows anyone to access the router web UI without them needing to know the IP of the router, if the user has any software or setting in place that will get in the way of DNS intercepts, then it will cause the redirect to fail.
Overall, if the web UI setup fails, try using a different browser, e.g., edge, firefox, etc. and if you have any VPN software, then fully close it before doing the web UI setup. - MdbradshMar 03, 2023Apprentice
On checking LAN adapter properties, "Advanced EEE" was disabled, "Green Ethernet" was enabled so I disabled, saved and retested speed. No change.
I have no trouble accessing the RAXE500 Web UI after it completes sets up, and that's mostly how I access it. I rarely ever use the app. Maybe tomorrow I will try another factory reset and try set up again through the Web UI. I have Opera, Edge, Firefox, and Chrome browsers. I usually use Opera for its speed, but some things don't work well and then I usually switch to Chrome or Edge. I'll try each for set up tomorrow when I re-try factory set up.
- MdbradshMar 03, 2023Apprentice
So as it turned out my support contract was indeed expired, so I subscribed to the GearHead-USA Home Networking Support for $89 for six months, hoping to get someone who know their stuff! BIG disappointment!! I should have known better.... I've rarely ever gotten much help from Tech support. Usually wind up working these things out for myself after much research, trial and error, etc.. But to explain, I filed a support case immediately after subscribing. Wound up with two Techs who spoke very, very poor English. Each remoted into my PC, tried mostly what had already been suggested and tried here. Had me do three or 4 resets, try PC direct to the modem, etc. Nothing gained. They got frustrated with me trying to explain and finally just told me to contact my ISP...
So today I called Netgear back, complained and asked for a refund. Supposed to get it in 3-5 days. We'll see.
I'm getting 1400+ from the modem when connected to the 2.5Gig internet port on the router. The Routers Qos speed test confirms that. So to me it seems the problem is with the routers internal channeling of that bandwidth? I thought maybe a setting or something configured wrong?? I've searched for a detailed set up/best configuration for thsi RAXE500 router but there sdoesn't seem to be any that I am able to find???
So, back to the drawing board. If I ever get it figured out, I"ll be back here to post it for sure! Thanks again for all your help!! IT's been much appreciated!!!
- Razor512Mar 03, 2023Prodigy
For the RAXE500, there are no LAN side internal bottlenecks. Basically more than enough PCIe throughput between the WiFi radios. The 5 gigabit Ethernet ports have dedicated hardware acceleration handled by the SOC the 1 2.5GbE port is also directly handled with hardware acceleration by the SOC, and uses a front end Ethernet transciever for the port. (main reason why even if you saturate the ports with traffic (if netgear armor is not in use), the CPU remains largely idle.
From tests that I have done, I was unable to saturate them in a way that would expose an internal bottleneck.
For WiFi, each radio essentially has a PCIe connection back to the SOC, and at least with 802.11ax the PCIe 2.0 connections are unlikely to be a bottleneck.In terms of WAN to LAN performance, for a single gigabit Ethernet client, it can sustain 940Mbps without issue, and a single 802.11ax client at 160MHz channel width and 2 stream WiFi, can maintain around 1.8-1.8Gbps. And if using multiple clients such as 1 wired and 1 wireless downloading from a server connected to the WAN port when set to the 2.5GbE port, then sustained speeds for a TCP connection are 2380Mbps for upload and download, and for simultaneous upload and download, speeds up to 4016Mbps (simultaneous upload and download, fully saturating the port) are possible.
If Armor is active (activates by default if using the app to set it up if within the trial period), then speeds will be lower and more variable depending on the type of traffic and how much work it has to do to inspect the contents. - MdbradshMar 04, 2023Apprentice
Sorry! I failed to mention that I am not using VPN. I do have Armor Security, so I tried disabling it and running speed test again.
Ookla App speed test :
Xfinity browser (Opera) speed test:
Google browser (Opera) speed test:
- MdbradshMar 04, 2023Apprentice
Maybe I'm expecting too much?? But I KNOW I was getting 950+mps on the Xfinity and Google speed testing originally when I first got this modem and router. I bought a new CAT6 Ethernet cable, so am going to put that on, do factory reset again, try to set up through WEB UI as Razor512 suggested, go with all default settings that come up after factory reset, using the regular 1Gig Internet port with PC connected to LAN port 4 because I have to for initial set up, and see what happens? I'll post results just FYI.
- plemansMar 08, 2023Guru - Experienced User
things to try.
do you have 2x pc's you can test with?
If so, try testing with iperf. put the internet connection back on the 1 gig port and wire a computer to the 2.5gig port and 1 to the 1 gig ports. See what speeds you get with iperf.
- MdbradshMar 08, 2023Apprentice
Sorry! I meant to post results of my aforementioned testing and got side tracked.
After trying new Cat6 cable, factory reset, default settings....nothing changed. I did notice that my laptop directly connected to the modem only produced 500-600 mps (per Ookla app on my laptop)? But modem connected to the 1gig port of the router, produced 950+mps... and modem connected the 2.5gig of the router produced 1400+mps per the router's Ookla speed test built into the Qos speed testing. Not sure why that is unless something in my laptop is limiting/restricting/downgrading the mps?? I've checked all the laptop's LAN/Ethernet adapter settings though. And disabled the Bit Defender Firewall/antivirus with no improvement?? Something I failed to mention... my house was prewired for cable when it was built in 2002. The cable comes into my garage from the cable/phone service box out in my front yard and splits to 5 different rooms/jacks. The current jack I have the modem connected to also has a dual splitter (provided by Xfinity) of which one goes to the modem and the other to a TV cable box. BUT, this is the same setup I had when I got the higher (950+) mps originally.... so.... I don't know?? I'm lost at this point.....
- MdbradshMar 08, 2023Apprentice
plemans no, I only have the one. But I will try, (maybe tomorrow) your suggestion of modem connection to the router's1 gig internet port, and laptop connected to the 2.5 gig router port (using it as a LAN connection) and changing the setting to the
Multigig Internet 1gps to1gps
- KitsapMar 08, 2023Master
Mdbradsh wrote:Sorry! I meant to post results of my aforementioned testing and got side tracked.
After trying new Cat6 cable, factory reset, default settings....nothing changed. I did notice that my laptop directly connected to the modem only produced 500-600 mps (per Ookla app on my laptop)? But modem connected to the 1gig port of the router, produced 950+mps... and modem connected the 2.5gig of the router produced 1400+mps per the router's Ookla speed test built into the Qos speed testing. Not sure why that is unless something in my laptop is limiting/restricting/downgrading the mps?? I've checked all the laptop's LAN/Ethernet adapter settings though. And disabled the Bit Defender Firewall/antivirus with no improvement?? Something I failed to mention... my house was prewired for cable when it was built in 2002. The cable comes into my garage from the cable/phone service box out in my front yard and splits to 5 different rooms/jacks. The current jack I have the modem connected to also has a dual splitter (provided by Xfinity) of which one goes to the modem and the other to a TV cable box. BUT, this is the same setup I had when I got the higher (950+) mps originally.... so.... I don't know?? I'm lost at this point.....
Some thoughts on another data point. Have you tried the Netgear mobile application that provides an option for a throughput test incoming to your router from your modem?
When you mention coax wiring, the current standard is RG6 which is sometimes labeled series 6. Have you looked at the incoming signal power levels to your modem? Log in to your modem and post a copy/paste from the cable connection page. Recommend you paste into a word processing program and save as a pdf before posting as an attachment to the reply.
I am not aware of what part of the country you are in and I am not defending Xfinity. But, they have a great deal of changes and updates ongoing in many locations.
- MdbradshMar 10, 2023Apprentice
KITSAP - I am in central Indiana. Modem cable statistics attached.
- MdbradshMar 10, 2023Apprentice
Just a few more tests from today. Still need to try the modem to router 1gig internet port and laptop connected to the router 2.5gig port. Router QoS Speed TestRouter Internet Port StatisticsiPhone NG Mobile App Router Speed TestLaptop Ookla Speed Test
- KitsapMar 10, 2023Master
Mdbradsh wrote:KITSAP - I am in central Indiana. Modem cable statistics attached.
Your downstream power levels and SNR (signal to noise ratio) are within specification and are very consistent across the frequency band. The upstream power levels seem a little high, but nothing that would be causing your issues.
Have you tried the Netgear mobile application to test throughput between your modem and your router?
- MdbradshMar 12, 2023Apprentice
Kitsap the Netgear mobile app gives me the same 1400+mps from modem to router reading as the web access and QoS speed test does. But both of the web and mobile app readings fluctuate at times between being around 700+mps or at 1400+mps, the modem web app access also shows cable connection varying as "good" or "poor" as well, but doesn't seem to correspond to the speed test readings??
.
- KitsapMar 12, 2023Master
Mdbradsh wrote:Kitsap the Netgear mobile app gives me the same 1400+mps from modem to router reading as the web access and QoS speed test does. But both of the web and mobile app readings fluctuate at times between being around 700+mps or at 1400+mps, the modem web app access also shows cable connection varying as "good" or "poor" as well, but doesn't seem to correspond to the speed test readings??
.
So far, everything is pointing toward the Ethernet port on your laptop. Do you have another location at a friend or relative where you could connect the laptop to an Ethernet connection to compare throughput results?
Your modem to router connection shows good. Some variance in testing is to be expected. Did you note how many times the mobile application ran the test before popping up a result?
In your router, have your checked the internet port statistics. Looking to be sure the status shows 1000M/Full. Look under Advanced -> Setup for a show statistics button. See attached.
The direct connection test between the modem and the laptop will also show some information.