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Thread: Slower internet in Leap 15

  1. #1

    Default Slower internet in Leap 15

    I have a brand new Ryzen 5 1600 with 32Gb DDR 4 running dual boot with OpenSUSE Leap 15 and Windows 10. I get 100Mbps consistently in Windows 10 but can't get over 60MBps in OpenSUSE. It averages around 40MBps. Every other system also gets around 100MBps.

    So far I have turned on auto negotiation. That was disabled for some reason. I have tried both tumbleweed and leap 15 with the same results. I've also connected another computer to the exact same switch so I know it's not the network or the cabling. I can also boot into Windows 10 and get 100MBps on the same system. I've also tried disabling network manager and configuring the network through yast with exactly the same results. I would prefer to use network manager but at this point just want my network to run at the same speed as all my other computers.

    All the speed tests are done in chrome on speedtest.net from all the computers.

  2. #2
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    Default Re: Slower internet in Leap 15

    Have you tried conducting a performance test within your LAN environment using iperf (or similar)?

    Network hardware details?
    Code:
    /usr/sbin/hwinfo --netcard
    Maybe share the ethtool output as well. Assuming eth0 do...
    Code:
    /usr/sbin/ethtool eth0
    openSUSE Leap 15.0; KDE Plasma 5

  3. #3
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    Default Re: Slower internet in Leap 15

    Are you using "wicked" or are you using "NetworkManager" to manage the network?

    Whichever you are using, try switching to the other to see if that helps. Use Yast Network Settings for that change.
    openSUSE Leap 15.1; KDE Plasma 5;

  4. #4
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    Default Re: Slower internet in Leap 15

    BTW, here's how netcat can be used to test network speed...
    http://deice.daug.net/netcat_speed.html
    openSUSE Leap 15.0; KDE Plasma 5

  5. #5

    Default Re: Slower internet in Leap 15

    Quote Originally Posted by deano_ferrari View Post
    Have you tried conducting a performance test within your LAN environment using iperf (or similar)?

    Network hardware details?
    Code:
    /usr/sbin/hwinfo --netcard
    Maybe share the ethtool output as well. Assuming eth0 do...
    Code:
    /usr/sbin/ethtool eth0
    Hardware details

    Code:
     25: PCI 400.0: 0200 Ethernet controller                         
      [Created at pci.386]
      Unique ID: rBUF.eyqrN5GWcA7
      Parent ID: GA8e.8EPKPINKVS0
      SysFS ID: /devices/pci0000:00/0000:00:01.3/0000:01:00.2/0000:02:01.0/0000:04:00.0
      SysFS BusID: 0000:04:00.0
      Hardware Class: network
      Model: "Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
      Vendor: pci 0x10ec "Realtek Semiconductor Co., Ltd."
      Device: pci 0x8168 "RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
      SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
      SubDevice: pci 0x8677 
      Revision: 0x15
      Driver: "r8169"
      Driver Modules: "r8169"
      Device File: eth0
      I/O Ports: 0xf000-0xffff (rw)
      Memory Range: 0xf6504000-0xf6504fff (rw,non-prefetchable)
      Memory Range: 0xf6500000-0xf6503fff (rw,non-prefetchable)
      IRQ: 318 (675873 events)
      HW Address: 04:92:26:d7:cc:f7
      Permanent HW Address: 04:92:26:d7:cc:f7
      Link detected: yes
      Module Alias: "pci:v000010ECd00008168sv00001043sd00008677bc02sc00i00"
      Driver Info #0:
        Driver Status: r8169 is active
        Driver Activation Cmd: "modprobe r8169"
      Config Status: cfg=no, avail=yes, need=no, active=unknown
      Attached to: #24 (PCI bridge)
    Ethtool
    Code:
    Settings for eth0:
            Supported ports: [ TP MII ]
            Supported link modes:   10baseT/Half 10baseT/Full 
                                    100baseT/Half 100baseT/Full 
                                    1000baseT/Half 1000baseT/Full 
            Supported pause frame use: No
            Supports auto-negotiation: Yes
            Advertised link modes:  10baseT/Half 10baseT/Full 
                                    100baseT/Half 100baseT/Full 
                                    1000baseT/Full 
            Advertised pause frame use: Symmetric Receive-only
            Advertised auto-negotiation: Yes
            Link partner advertised link modes:  10baseT/Half 10baseT/Full 
                                                 100baseT/Half 100baseT/Full 
                                                 1000baseT/Full 
            Link partner advertised pause frame use: Symmetric
            Link partner advertised auto-negotiation: Yes
            Speed: 1000Mb/s
            Duplex: Full
            Port: MII
            PHYAD: 0
            Transceiver: internal
            Auto-negotiation: on
            Supports Wake-on: pumbg
            Wake-on: g
            Current message level: 0x00000033 (51)
                                   drv probe ifdown ifup
            Link detected: yes

  6. #6

    Default Re: Slower internet in Leap 15

    Quote Originally Posted by nrickert View Post
    Are you using "wicked" or are you using "NetworkManager" to manage the network?

    Whichever you are using, try switching to the other to see if that helps. Use Yast Network Settings for that change.
    Just tried. No change.

  7. #7

    Default Re: Slower internet in Leap 15

    Quote Originally Posted by deano_ferrari View Post
    BTW, here's how netcat can be used to test network speed...
    http://deice.daug.net/netcat_speed.html
    Unfortunately I don't have another system available at the moment. However I do know I can rsync to my Nas at over 100MB/s. However that's going to be limited by the NASs ability to write to the drives.

  8. #8
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    Default Re: Slower internet in Leap 15

    Quote Originally Posted by vdub12 View Post
    Unfortunately I don't have another system available at the moment. However I do know I can rsync to my Nas at over 100MB/s. However that's going to be limited by the NASs ability to write to the drives.
    Well that would eliminate the network interface as a cause of your issue. The trouble with internet-based testing is that the public network path and internet server load can impact and so make many tests rather subjective.
    openSUSE Leap 15.0; KDE Plasma 5

  9. #9

    Default Re: Slower internet in Leap 15

    Quote Originally Posted by deano_ferrari View Post
    Well that would eliminate the network interface as a cause of your issue. The trouble with internet-based testing is that the public network path and internet server load can impact and so make many tests rather subjective.
    I can do a speed test from any other computer on the network and get 100MBps but this one can only do 40-60MBps. I can reboot this system into Windows 10 and also get 100MBps. I'm pretty confident it's a software issue.

  10. #10
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    Default Re: Slower internet in Leap 15

    Quote Originally Posted by vdub12 View Post
    I can do a speed test from any other computer on the network and get 100MBps but this one can only do 40-60MBps. I can reboot this system into Windows 10 and also get 100MBps. I'm pretty confident it's a software issue.
    I agree with deano_ferrari. If you can rsync at 100Mb/sec locally, the issue is not the network interface, since it does do the 100Mb/sec.
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