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Thread: How to configure ethernet interface and prioritize it over wlan

  1. #1

    Default How to configure ethernet interface and prioritize it over wlan

    I am running TW on my Desktop. Previously, (https://forums.opensuse.org/showthre...-Tomahawk-X570), my ethernet was working and my wifi was notworking.
    I purchased a compatible wifi card and not wifi is working flawlessly (Thank you!).

    My problem is now I cannot configure the ethernet connection (it was auto configuring previously) and I will like to prioritize the ethernet over wifi.


    Code:
    > ip a
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
           valid_lft forever preferred_lft forever
        inet6 ::1/128 scope host 
           valid_lft forever preferred_lft forever
    2: enp38s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
        link/ether d8:bb:c1:1b:2c:e2 brd ff:ff:ff:ff:ff:ff
    3: wlp37s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
        link/ether c8:e2:65:0c:97:48 brd ff:ff:ff:ff:ff:ff
        inet 10.184.239.157/22 brd 10.184.239.255 scope global dynamic noprefixroute wlp37s0
           valid_lft 3378sec preferred_lft 3378sec
        inet6 fe80::98fb:bd66:21d5:15d/64 scope link noprefixroute 
           valid_lft forever preferred_lft forever
    4: wlo1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
        link/ether 12:f4:61:10:5a:e6 brd ff:ff:ff:ff:ff:ff permaddr b4:0e:de:7b:5e:94
        altname wlp40s0
    and here is my hardware information
    Code:
     *-network
           description: Wireless interface
           product: Wi-Fi 6 AX200
           vendor: Intel Corporation
           physical id: 0
           bus info: pci@0000:25:00.0
           logical name: wlp37s0
           version: 1a
           serial: c8:e2:65:0c:97:48
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=iwlwifi driverversion=5.14.0-1-default firmware=63.c04f3485.0 cc-a0-63.ucode ip=10.184.239.157 latency=0 link=yes multicast=yes wireless=IEEE 802.11
           resources: irq:110 memory:fc800000-fc803fff
      *-network
           description: Ethernet interface
           product: RTL8125 2.5GbE Controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:26:00.0
           logical name: enp38s0
           version: 04
           serial: d8:bb:c1:1b:2c:e2
           capacity: 1Gbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.14.0-1-default firmware=rtl8125b-2_0.0.2 07/13/20 latency=0 link=no multicast=yes port=twisted pair
           resources: irq:24 ioport:f000(size=256) memory:fc700000-fc70ffff memory:fc710000-fc713fff
      *-network
           description: Wireless interface
           product: Wi-Fi 6 AX200
           vendor: Intel Corporation
           physical id: 0
           bus info: pci@0000:28:00.0
           logical name: wlo1
           version: 1a
           serial: 12:f4:61:10:5a:e6
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=iwlwifi driverversion=5.14.0-1-default firmware=63.c04f3485.0 cc-a0-63.ucode latency=0 link=no multicast=yes wireless=IEEE 802.11
           resources: irq:40 memory:fc600000-fc603fff

    I tried
    Code:
    sudo ip set dev enp38s0
    and rebooted
    but it didn't get the job done.

    I also tried following the tutorial at https://doc.opensuse.org/documentati...st-change-host
    but due to lack of competency I couldn't make it work.
    Since, my hardware is the same (as far as ethernet goes) I am probably doing something dumb and any help is greatly appreciated.
    I think I am probably configuring my Hostname, subnet, gateway, DNS incorrectly?

    Thank you in advance for your time!!!!

  2. #2
    Join Date
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    Default Re: How to configure ethernet interface and prioritize it over wlan

    I assume that you're using wicked (rather than NetworkManager or systemd-networkd) to manage your network connectivity? Since, you mentioned using YaST in the previous thread, have you configured the ethernet interface there yet?

    https://doc.opensuse.org/documentati...k-yast-netcard
    openSUSE Leap 15.4; KDE Plasma 5

  3. #3

    Default Re: How to configure ethernet interface and prioritize it over wlan

    Quote Originally Posted by deano_ferrari View Post
    I assume that you're using wicked (rather than NetworkManager or systemd-networkd) to manage your network connectivity? Since, you mentioned using YaST in the previous thread, have you configured the ethernet interface there yet?

    https://doc.opensuse.org/documentati...k-yast-netcard

    Hi,
    Thank you for your reply.

    I am pretty sure I am using NetworkManager and not Wicked. See the screen shots below, when I go into Yast

    See Screenshots here (https://imgur.com/a/I8kyKBd)


    Here is how my NetworkManager applet looks like (https://imgur.com/a/nCbbxwh)



    I need to configure my ethernate interface but I am not sure how to go about it. So, I am looking for some help in that direction.

  4. #4
    Join Date
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    Default Re: How to configure ethernet interface and prioritize it over wlan

    Quote Originally Posted by crapshoot123 View Post
    Code:
    2: enp38s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
        link/ether d8:bb:c1:1b:2c:e2 brd ff:ff:ff:ff:ff:ff
    There is no link on this interface. You can tell your network management program (you do not say what you are using) to ignore link and configure IP address anyway, but it won't be usable anyway.

    Is it connected at all?

  5. #5
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    Default Re: How to configure ethernet interface and prioritize it over wlan

    Quote Originally Posted by crapshoot123 View Post
    Hi,
    Thank you for your reply.

    I am pretty sure I am using NetworkManager and not Wicked.
    Then use NetworkManager to configure the interface.

    I can't view what you've attempted to share. Use https://paste.opensuse.org/ for this in future.
    openSUSE Leap 15.4; KDE Plasma 5

  6. #6
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    Default Re: How to configure ethernet interface and prioritize it over wlan

    For NetworkManager configuration...
    https://doc.opensuse.org/documentati...ce/cha-nm.html
    openSUSE Leap 15.4; KDE Plasma 5

  7. #7

    Red face Re: How to configure ethernet interface and prioritize it over wlan

    Quote Originally Posted by arvidjaar View Post
    There is no link on this interface. You can tell your network management program (you do not say what you are using) to ignore link and configure IP address anyway, but it won't be usable anyway.

    Is it connected at all?
    Thank you very much. I rechecked and the wired connection at one end was loose. I changed it and now it is acting perfectly.
    Thank you very very much for figuring it out.

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