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    #1

    [Internet] Fresh Install very slow ethernet and wifi

    Hi all,

    I have done a fresh install of Kubuntu 17.10.1 and immediately notice my internet speeds are incredibly slow (both ethernet and wifi).
    I am getting 1/10th of the speed ~ 9-10mbps

    I normally get 100mbps on ethernet and about half that on wifi with all other devices in the house. I am getting those speeds now on other devices.

    I have set IPv6 to ignore on both, rebooted, even manually put in 8.8.8.8 for the DNS.

    What else can I do? I used to run windows on this machine with fast speeds, so I am 100% certain it's not hardware related.

    Code:
    kk@kubuntu:~$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network Connection (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4)
00:1c.6 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
01:00.0 System peripheral: Ricoh Co Ltd PCIe SDXC/MMC Host Controller (rev 07)
04:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 [Condor Peak]
05:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
    Additional info

    http://paste.ubuntu.com/p/hw5kC9HFtW/
    Last edited by Pee Wee; Mar 12, 2018, 12:49 AM.
    Tags: None
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    #2
    try rebooting your router then reconnecting ,,, this is what helps when I see behavior like this .

    + my wireless offers 2 connections a 5G and a 2.5G , so if yours dose as well try the 5G ,,,the wired should be giving the best all the time .

    VINNY
    i7 4core HT 8MB L3 2.9GHz
    16GB RAM
    Nvidia GTX 860M 4GB RAM 1152 cuda cores
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      #3
      Originally posted by vinnywright View Post
      try rebooting your router then reconnecting ,,, this is what helps when I see behavior like this .

      + my wireless offers 2 connections a 5G and a 2.5G , so if yours dose as well try the 5G ,,,the wired should be giving the best all the time .

      VINNY
      thanks but it didn't help - I would of been surprised if it did anything as other devices are running at 100mbps at the same time.
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        #4
        how funny is this - I swapped the ethernet cable from my work win 7 pc with the one plugged into ubuntu
        Ubuntu now reaching full ethernet speed, win 7 still reaching full ethernet speed. How is this possible!!

        Kubuntu wifi is still less than half the speed of windows. After a few reboots getting an average of 10-15mbps. Windows >40-50mpbs. Both are the same range from router, 1m
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          #5
          Restore your IPv6 and DNS settings and visit this site:
          http://ipv6-test.com/

          It analyzes 20 features of both protocols.

          Also, what does route and route -6 give?
          Mine shows:
          Code:
          :~$ [B]route -6[/B]
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
2001:470:7b:56f::1/128         ::                         U    1024 1     1 he-ipv6
2001:470:7b:56f::/64           ::                         Un   256 0     0 he-ipv6
fe80::/64                      ::                         Un   256 0     0 he-ipv6
fe80::/64                      ::                         U    256 0     0 wlp13s0
::/0                           2001:470:7b:56f::1         UG   1024 8  6314 he-ipv6
::/0                           ::                         !n   -1  1  6539 lo
::1/128                        ::                         Un   0   8    39 lo
2001:470:7b:56f::/128          ::                         Un   0   1     0 lo
2001:470:7b:56f::2/128         ::                         Un   0   7  5485 lo
fe80::/128                     ::                         Un   0   1     0 lo
fe80::/128                     ::                         Un   0   1     0 lo
fe80::c0a8:b64/128             ::                         Un   0   1     0 lo
fe80::3de0:ea66:ba62:daa7/128  ::                         Un   0   1     0 lo
ff00::/8                       ::                         U    256 0     0 he-ipv6
ff00::/8                       ::                         U    256 8   314 wlp13s0
::/0                           ::                         !n   -1  1  6539 lo
[B]
~$ route[/B]
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         DD-WRT          0.0.0.0         UG    600    0        0 wlp13s0
link-local      *               255.255.0.0     U     1000   0        0 wlp13s0
192.168.11.0    *               255.255.255.0   U     600    0        0 wlp13s0
          Other commands, like ifconfig and iwconfig, may give pertinent information.
          Last edited by GreyGeek; Mar 12, 2018, 04:28 PM.
          "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
          – John F. Kennedy, February 26, 1962.
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            #6
            I'm fairly good at getting Intel wireless cards to work at capacity; as root, create /etc/modprobe.d/iwlwifi.conf and stick this in there -
            Code:
            options iwlwifi led_mode=1 power_save=0 11n_disable=8 # swcrypto=1
            The led_mode argument really isn't necessary but sets the wifi led to steady on when wireless is connected instead of that ridiculous blinkind led "feature". I have swcrypto commented out because it really didn't have much of an impact on speed and I would prefer crypto happened on the card instead of in software.

            This should resolve your issue, though. Good luck -
            we see things not as they are, but as we are.
            -- anais nin
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