![]() ![]() Many so called 100Mbit ports on a modem actually can’t handle more than 35Mbit in traffic (speedtest throughput). Old Cisco 2620/2621 routers had 1 or 2 10/100 Fast Ethernet ports, but you were lucky to push 20 Mbit/s through them. It’s important to remember that, though a router has a 100 Mbit/s Ethernet port, it DOES NOT mean it can actually route traffic at 100 Mbit/s. ![]() Quick question: Wouldn’t a router with up to 100Mb speeds be sufficient? I’m glad that the information in my post was helpful. There is nothing more frustrating than slow wireless speeds! I see this problem all the time with my Comcast clients. I figured it was my old router but wasn’t sure why. Did some more searching to check my router specs and sure enough, no gigabit wan/lan functionality. My modem is docsis 3.0 – I picked it up a few months ago when I upgraded my comcast service – so all good there. That is, until I read your very helpful article. ![]() I was going around in circles trying to find out if my 7 year old router was the reason my wireless speeds were half the speed of my ethernet speeds. If not, your Cat6 will just get you Cat5 speeds.īest wishes and thanks for visiting my blog. To fully take advantage of Cat6, you need all gigabit hardware (NICs) and a gigabit Switch (or gigabit ports in the router). I recommend Cat5e for 100mbit networks and Cat6 for gigabit networks. You are so right! Wired will always be faster than wireless. Once I switched over to Fast Ethernet (cat5e), I’m getting 61mbps down. For instance, I’ve been using a cheap wireless adapter and getting speeds about 15mbps down. The old modem used to drop severely at times to below 1Mbps!Īlso a point of failure could be the protocol between the router and the computer. It also seems like the new modem is not as affected by the evening prime-time TV and Internet “rush hour”, slipping back only to around 15Mbps. Tags: comcast 50 Mbps download speed, docsis modem, gigabit router, LAN and WAN gigabit ports, network optimizationĪ hearty AMEN to the point about the DOCSIS modem, Professor! I recently swapped out my old circa-2001 cable modem (probably a DOCSIS 1.0 vintage) for a DOCSIS 3.0 and my Internet speed went from about 10Mbps to just over 20Mbps. Professor Randy says: Don’t buy a router that doesn’t have both LAN and WAN Gigabit ports, and don’t expect extreme Comcast download speeds without a DOCSIS 3.0 Modem! Once the DOCSIS 3.0 Modem and the Gigabit Router were hooked up, download speeds of over 50Mbps came flowing in! Once again, connect the router to the cable modem through a Gigabit WAN port, and connect your other PCs, servers, wireless-N access points, or anything else to the LAN Gigabit Ethernet Ports. The LAN Gigabit Ethernet ports are for establishing high-speed wired connections to your desktop PC. The WAN Ethernet 10/100/1000 Gigabit ports are for establishing a wired connection to your broadband Ethernet-enabled DOCSIS 3.0 modem. I recommend buying your own.Ģ) The Router: Your router must have both LAN and WAN Gigabit functionality. Once again, you must use a DOCSIS 3.0 Modem in order to take full advantage of Comcast’s fast Internet speeds! You can rent one from Comcast or buy your own. What was going on here? Was it Comcast again?Īctually no! I found out that two essential things were missing from each persons network setup:ġ) The Modem: If your Comcast connection rate is 20 Mbps or greater your modem should be a DOCSIS 3.0 Cable Modem. In fact they were only getting about half (24 Mbps) of what they were paying Comcast for. I have run into this situation twice in the past week:īoth people had signed up for Comcasts XFINITY Extreme 50 High Speed Internet (50 Mbps download speed), but neither were getting the promised speeds. Note: Part 2 (October 2014) of this post can be found here. ![]()
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