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I guess my modem have a problem with multiples users sending packages simultaneously, in the past I shared my internet connection with others 4 devices (computers and smartphones) and I played online games (dota, league of legends, counter strike) and my ping is normal was 25~40 ms. But now, I share my connection with others 4 devices (one notebook, and 2 smartphones and 1 tablet) and my ping is horrible! Sometimes jump from 32ms to 700ms or more, when only my notebook is connected there is no lags, my latency do not have spikes, but if some other device connect together with me the ping jump to 700ms and is impossible play any online game, navigation is normal.
So, my question is : There is possible that my modem can not support with more than one device with a good latency or is normal the latency up to 700ms ? I did a test on cmd, I did my pc ping to my IP modem"forever" and while try open sites, download files in my smartphone, I notice that de latency grows up from 2ms to 57ms/130ms/455ms. Is normal?
I don't have a dedicated router, I just use a modem that have a router wifi function imbedded. To Buy a router dedicated will improve the connection?
Look the IMAGE, when I open websites or I try use speedtest in my smartphone the ping have several spikes
I had the same problem using cable or wifi.
PS: Sorry about my english
dumb router, dumb question [don't close it, it's relevant...] Is that a tweakable parameter on a decent router? Just the param name etc & I'll research myself, not 'where to find it on my [insert brand name here]?' – Tetsujin – 2014-11-19T20:06:35.557
@Tetsujin, not that I have seen. You might look out for "buffer size" though. – psusi – 2014-11-19T20:28:40.640
OK, thanks - not that I have an issue, just your info looked interesting & I thought I might have a poke around. – Tetsujin – 2014-11-19T20:29:37.843
Thanks @Tetsujin, it explain the spike. My ISP is considerated one of the best in my country (Global Village Telecom - GVT), my internet plan is 50mb down and 5mb upload, and everything works fine, but when more than one device connect i got the lag. My modem is brand new. My friends is having the same problem too, when playing online games is awesome, but when more one play...laggy. I'll to buy a new dedicated router and test. I back with results. – rochasdv – 2014-11-20T01:16:24.580