Xfinity xb3 moca internet keeps going down12/22/2023 ![]() ![]() ![]() With this knowledge of a direct modem test versus a test over wireless internet, you can now use the process of elimination to determine if the problem is your router or your modem. To test only the modem, it is important when running these tests that you plug directly into the modem so that you eliminate the possibility of “wifi interference” or any packet loss accrued from the wireless router itself. But this is the place to start when troubleshooting to see if the problem is your modem or router. For one, it could be your line, connection, or even the wireless router. Now keep in mind it is not always the modem’s fault. These bad modem tests can get you moving in the right direction. Here is a set of free online tools to check if you have a bad modem. You can get a good modem and still have issues with an older router so be sure to buy a good wifi router with your new modem. This can be from a poor wifi signal or an older, slower router. You may not even have a bad modem but still, experience lag or packet loss. As an internet dweller with dual monitors, I always have a window open running a continuous ping to this site to watch for downtime. Keep reading for a simple online one-click test if you do not want to run a continuous ping to observe packet loss. While you can see dropped packets with a ping test, it is not a reliable test for all latency and jitter. You can test this by running a continuous ping. Dropping packets is never a good sign, and this is likely the reason you always have buffering on your streaming videos. Or, in worst-case scenarios, packet loss. When you are using the internet for real-time activities such as gaming, any latency is unacceptable, and you may notice real-time ping spikes. A delay of just a few milliseconds can start a chain reaction of your entire data packet being delayed from start to finish. In this case, we’re dealing with Network Latency over the internet. There is Network Latency and disk latency. Latency is the delay in the transmission of data over the internet. If you’ve ever run a speed test and noticed slight delays or glitches during the actual test or certain points in which your speed meter stops for a second or drops down, then you may be the victim of latency or a bad modem with the Puma 6 chip. They would do a speed test, and sure, you can get a nice fast speed with an online test because it takes the overall duration period of the download test and creates an average as a final result. The dilemma is they never tested for latency until this issue became widespread. This leaves millions of customers frustrated and saying things like “ I called Comcast several times, and they are unable to fix my internet“. The problem with these bad modems is that if you call your ISP and tell them your internet is having issues, they will say everything is fine because they can not detect this issue on their end. This means that any cable modem with a Broadcom chip is on the safe list of good modems. The moment this problem was identified, manufacturers started using the superior Broadcom chip for all future modems, such as the newest and fastest DOCSIS 3.1 modems for Gigabit speeds. As it stands, they all have Intel’s Puma 6 chip. There are a lot of them on the market because the flaw was not noticed till after they hit retail and people all over started reporting problems. This is the worst part because you are not likely to be a target of a DoS attack, but you will experience spikes in ping no matter what. It can halt or freeze your internet without reason or timing or notice. The bad modems symptoms also experience large spikes in latency. Your ISP can not help you and likely won’t even be able to detect the source of your connection slow down or admit that you have a broken modem.īut the fun does not stop there. ![]() A DoS attack can prevent you from accessing the internet for days at a time with no solution. The bad modems are susceptible to DoS Attacks. But first, here are the best cable modems to solve your problems and save you $10 a month. But what makes these modems so “bad”? Several factors stem from the Puma 6 chip. There is a large batch of bad modems circulating retail outlets and even being rented out by internet service providers. A failing modem can be tricky to diagnose without proper testing and troubleshooting. We will go over the symptoms of a bad modem or router and some tests and diagnostics to help you find out if you have a bad or dying modem. ![]()
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