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Netgear Cable Modem Slow Download Speed
NETGEAR CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem only provides 38Mbps vs. cable modem's 150Mbps. Specs for the Netgear say up to 620Mbps. The upload speed is 5.7 which equals the cable modem. There are no adjustments in the modem.
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It has lower throughput than your cable modem and so since there are no adjustments, all you can do is upgrade the firmware and test and if that does not help then get a faster box
Talk to your internet provider. Does your ISP allow you to use your own equipment rather than what it supplies? Most don’t, so it’s possible that you’re fortunate to have a connection at all.
John:
It is rated for much higher download speeds and it gets the correct upload speed. I left it connected but, the firmware didn't upgrade.
It is rated for much higher download speeds and it gets the correct upload speed. I left it connected but, the firmware didn't upgrade.
You need to go to the section in the Netgear router (maintenance probably), look for firmware and manually update it.
It may not reach rated speed in your environment. After updating firmware, you will know.
It may not reach rated speed in your environment. After updating firmware, you will know.
The specs say:
"CableLabs® DOCSIS® 3.0 certified to work with U.S. cable Internet providers like XFINITY® from Comcast, Spectrum, Cox, Cablevision & more (not compatible with Cable bundled voice services)"
Do you have VOIP?
"CableLabs® DOCSIS® 3.0 certified to work with U.S. cable Internet providers like XFINITY® from Comcast, Spectrum, Cox, Cablevision & more (not compatible with Cable bundled voice services)"
Do you have VOIP?
Also in here I read:
https://www.amazon.com/NETGEAR-CM500-1AZNAS-download-Certified-Cablevision/product-reviews/B06XH46MWW
1. The reason these routers slow down when you enable extra features is because it disables CTF (cut through forwarding) and the router no longer uses it's faster processor. Some of the newer routers can still maintain max download speeds of 941 mbps while also allowing you to use QoS and other features.
2. Keep in mind that this Netgear CM1000 is JUST a cable modem. It's not a router. So if you only have 1 device you want to wire into it, you're fine but if you want to have more devices, and wireless, then you'll need a router too.
https://www.amazon.com/NETGEAR-CM500-1AZNAS-download-Certified-Cablevision/product-reviews/B06XH46MWW
1. The reason these routers slow down when you enable extra features is because it disables CTF (cut through forwarding) and the router no longer uses it's faster processor. Some of the newer routers can still maintain max download speeds of 941 mbps while also allowing you to use QoS and other features.
2. Keep in mind that this Netgear CM1000 is JUST a cable modem. It's not a router. So if you only have 1 device you want to wire into it, you're fine but if you want to have more devices, and wireless, then you'll need a router too.
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John:
I have a router. There is no way to update the firmware on the device. Netgear says the ISP will update it but, comcast won't update a 3rd party box. Basically, it just doesn't perform as advertised.
I was speculating, however, that it is in the cable company's best interest to "accidentally" throttle 3rd part devices. <g>
I have a router. There is no way to update the firmware on the device. Netgear says the ISP will update it but, comcast won't update a 3rd party box. Basically, it just doesn't perform as advertised.
I was speculating, however, that it is in the cable company's best interest to "accidentally" throttle 3rd part devices. <g>
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