A* wireless for a month but ping spikes last 3 days

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hakainokame

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Jul 22, 2013
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Hi, I honestly have no clue what is happening.

This set up has been working fine for at least a month, and I had constant 20-30 ping. Nothing in the house has changed and suddenly the wireless is un-usable. I have completely lost connection twice within 3 minutes while starting to write this, but haven't disconnected since.

Using DHCP but router has "reserved IPs", everything else is pretty much default. It worked for basically a month and the last 3 days it has been completely un-usable for maybe 8 hours in total and seems to fix itself spontaneously. It doesn't always disconnect, sometimes it is insanely high ping spikes then back to 20 ms again (such as a game freezing for like 2-5 seconds once in a 5+ minute period), the times are not consistent from day to day in any way, yesterday it was like 5 minutes total between 8pm and midnight, but the night before I literally couldn't participate in my guilds raid on World of Warcraft, because the second I got into game my ping shot to like 40k and lost connection. Is this the cause of Super Hub 3.0 or my computer? The problem doesn't seem isolated to World of Warcraft either.

https://snag.gy/zbF57N.jpg

And router left, google right as I was expanding on this post: https://snag.gy/AE7PdI.jpg In this example my ping has been good for like 2-4 minutes except for 1-3 packets. I assume this means the problem is my PC or ISP?

Not sure what other information I can provide but any help appreciated
 
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Doctor Rob

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Jul 21, 2008
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also looks like your wifi connection is not very strong.. something as simple as someone in your house (if you are in a house) turning on a microwave it will kill your wifi for sure if you are sorta between the access point and the microwave. also.. how many others are in your area with the same wifi channel you are using? and is it possible for you to directly plug into the router? and test that way to eliminate the wifi being the issue.
 
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hakainokame

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Jul 22, 2013
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Hi, thanks for the replies. I contacted my ISP after the first reply in this thread & they made some changes and said they will monitor it for a few days.

The microwave is probably only used once a week in this house to be honest and I'm also the only 5ghz wifi in the house, I'm also the closest wifi to the router. I will post back if the problem persists, I am currently running ping tests to World of Warcraft EU servers, google and my router since the changes my ISP made. Thanks for the help!


*edit*
https://snag.gy/Cz7IYH.jpg
and the beast emerged, on the bright side my connection didn't entirely drop, so I guess you could say it is "improved" since contacting my ISP.
 
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failboat

failboat

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Feb 19, 2010
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You should monitor a traceroute to that ip.

You should also monitor your LAN->WAN traffic from the router.
PC into modem with resource monitor up can work as well if you don't have a monitor in the router.
If you're swamping the link it's bufferbloat.

You can't really point the finger at anything without seeing the traffic you're generating.
 
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hakainokame

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Jul 22, 2013
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Regarding you saying "resource monitor" I assume you mean the task manager information in windows 10? If I close games, discord and opera it says I use 0 kbps, and this is the only computer online when it happens sometimes. Is this a sufficient check?

If not, I can only find some "traceroute" thing on my Super Hub 3, is this what you're referring to? Or is there another program that can help me monitor the network?

*edit*
never mind I see where resource manager is lol
 
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failboat

failboat

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Did you do this test while plugged directly into modem? The whole point is so that you are monitoring 100% of the local traffic.
If your modem is also the router then turn wifi off and test as the only wired client. To test wireless do wired first to see if it's resolved then move to wireless, but you have to make sure you're the only client.

If you have two computers you can test running iperf3 -s on one and then iperf3 -c x.x.x.x on the other. I test my wifi this way. One should be wired and one on wifi.
 
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hakainokame

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Jul 22, 2013
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I'll try these suggestions soon, thanks for the replies!

The router & modem indeed are the same thing, provided by Virgin media, "Super Hub 3.0".

*edit* I don't really understand what I'm doing with iperf...it doesn't work in cmd and googling just displays programs. I tried to download one but it's on github with some iperf-3-current.tar.gz. don't even know what to do this with this file even after downloading it, windows doesn't recognize it and it's saying stuff about "configure" and "boot" something when I google for guides...I don't want to do anything that risks needing a reinstall (i don't even have the means to do anything like this today), and it takes so long it makes me literally want to murder myself, all I want to do is send less than 80 kbps without 40k ping
 
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hakainokame

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Jul 22, 2013
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Both computers are wireless and next to each other...urgh...but one is 2.4 ghz and one 5 ghz
When my PC is the server (Seems normal for download but upload has some 100ms?):
https://snag.gy/WUxnOI.jpg

When my PC is the client (can't connect):
https://snag.gy/VZwBJa.jpg
-u also can't connect with the other laptop as a client, could that laptop have ping requests disabled? I don't remember how to check.

Or does that mean it's some setting on my PC?
I did put my computer back to server again to make sure and it's just like the first screenshot again as expected
I did check the IP of each computer in IP Config too to be sure and also on the router
Or is this information meaningless without a cabled test too? lol I don't have 2 ethernet cables though nor access to the only cabled PC right now...

*edit*
Just tried using another computer as the "server" with my computer as the client, and same thing happens...

*edit*
I took my computer out the equation and used iperf3 between the two laptops and neither of them can connect to each other, basically it only works if my PC is the server. I guess testing with cable is the only thing I can do now
 
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failboat

failboat

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Feb 19, 2010
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5Mbs LAN is very slow. Your wifi must be very weak. I get about 225Mbs 2x2 mimo AC.

What's your internet package?

With both on wifi you won't know which one is the slow one, which I why I suggested having one wired. They both may be fairly slow.

Temporarily turn off your windows firewall and it will work as a server.
 
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hakainokame

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Jul 22, 2013
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I probably could connect at 2.4 but I wanted to avoid interference with all the other 2.4 devices so I bought a 5 ghz card for this PC purposely. I was looking at getting boosters too but maybe I need a router with antennae instead. If you Google the super hub 3.0 virgin, it doesn't even have an antennae, so maybe that is the problem, but then that doesn't explain why it was fine for basically 30 days before suddenly going rubbish very recently?

@failboat, The 5mbs LAN would be slow yes, I don't think that LAN would be that slow though,but I can't really do LAN to LAN, only wifi to LAN. or LAN to router which I will have to test later when I can have access to the only LAN computer (it's a business computer not owned by me so I don't know the pass). As I say I'll test this soon as I can.

The Wifi on my main PC sometimes connects as low as 86.5 mb but that is still like 2/3 bar strength and 300+ mb/s isn't "rare" just not "average". I choose this wireless card specifically cause it was reported to work fine at this range, 86.5 mb should be fine. Speed test results 8-30 ms with 30-50 mb/s and 8-11 upload , even while some of these lag spikes are happening, which is why I think something else must be the issue, and as previously stated, was fine for a whole month before going downhill. The computer never runs over 65 degrees when heavy multi tasking + gaming, so I doubt it's a problem with the operating temperature either.

Computer specs are
i5 6400
3GB 1060 GTX
Asus Prime Mobo
SSD Evo pro
Asus wireless card pci dual external antennae

Had an old crappy 720m gt laptop that worked just like 2-3 feet further away from the router just fine here on 2.4 ghz for like 2 years too, and that connection was never over 100 mbps but never dc'd, now the ping spikes are clearly visable on all wireless devices.

I'll report back with updates after I manage to get a LAN sample, thanks again for the help.
 
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