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Periodically, I experience major speed drops in my WiFi home network. Sometimes I even lose the connection entirely. Videos on YouTube don't load normally and webpages don't load properly too. However, I never experience problems when I download something using, say, uTorrent.
I know this is not my ISP's problem because when I connect using Ethernet, the problem never occurs. I have also tried to analyze my wireless connection using the ping command on Windows and InSSIDer. This is what ping gives me when there is a speed drop:
C:\Users\username>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.3: Destination host unreachable.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.1.1:Packets: Sent = 4, Received = 1, Lost = 3 (75% loss)
C:\Users\username>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Reply from 192.168.1.1: bytes=32 time=2ms TTL=64
Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 1, Lost = 3 (75% loss)
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 2ms, Average = 2ms
C:\Users\username>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=40ms TTL=64
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 3ms, Maximum = 40ms, Average = 12ms
When I turn on "permanent" pinging:
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=2ms TTL=64
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64
**Request timed out.**
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
**Reply from 192.168.1.1: bytes=32 time=3271ms TTL=64**
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3ms TTL=64
And this is what InSSIDer shows me even when there is a connection problem:
Does it seem okay or am I wrong?
I would appreiciate any help with solving this issue, these connection troubles happen too often and this is getting annoying. I would be glad to know some tips on how can I analyze my connection in a more advanced way, too.
I am using an ASUS RT-12 router and Windows 7 Professional.
An InSSIDer spectrum plot at the wireless router's location could also be informative. The plot for the PC end is telling only half the story. Have you also considered other 2.5GHz interference such a microwaves and phones? – sawdust – 2013-05-13T22:52:13.773