Ip link set up ) During my testing, I tried to force the network up with ip link set eno1 up, but it didn't work. 10 I brought my can0 interface up with this command: sudo ip link set up can0 After upgrading to 22. On Server A: # ip link add name sit1 type sit local LOCAL_IPv4_ADDR remote REMOTE_IPv4_ADDR mode any # ip link set sit1 up # ip addr add INTERNAL_IPV4_ADDR/24 dev sit1. 206/24 dev eth3 ip addr add 2001:db8:64ce:c633::2/64 dev eth3 And similarly for routes: ip route add default via 198. link can be abbreviated to l As of Ubuntu 18. You can specify which device you want to know more about with the dev How to setup TP-Link Wi-Fi Router on web management page When You Set Up. Each interface has at least two different kinds of states: Administrative state (whether the interface is enabled). 4. 10 type vlan id 10 Creates a new vlan device eth0. 51. just a question here, for other CAN, what bitrate shall be set? Top. タグVLANインタフェースの作成. $ sudo ip addr add 192. target Then, enable it to run at boot: sudo systemctl enable manual-iface. For any assistance creating multiple aliases to one device, with an attachment of different IP. 10. ip link set eth0 up ip link set eth0. ip link set (interface 使用ip link set eth0 up 命令启用网卡后，网络不通的问题的解决，最近在学Linux的IP命令，在做实验的时候发现一个问题。按照文档的描述，指令：iplinksetdeveth0up的作用和指令ifupeth0的作用是一样的，但是在试验过程中发现，执行iplinksetdeveth0up后，网卡的状态虽然显示为UP，但是网络却不通。 iproute2 is a dependency of the base meta package and provides the ip(8) command-line interface, used to manage network interfaces, IP addresses and the routing table. If you do not know your Internet connection type, you can confirm # ip link set dev {DEVICE} {up|down} To make the state of the device eth1 down, enter: # ip link set dev eth1 down To make the state of the device eth1 up, enter: # ip link set dev eth1 up. 200. ip a add (ip_address) dev (interface) del. 1 dev eth3 ip route add default via 2001:db8:64c3:c633::1 A Linux bridge is a kernel module that behaves like a network switch, forwarding packets between interfaces that are connected to it. An automatic bus-off recovery can be enabled by setting the “restart-ms” to a non-zero value, e. But I need to type this for each interface as below. This is the only case when ip can move the system to an unpredictable state. The solution is to avoid changing several parameters with one ip link set call. sudo ip addr add 10. Github Reddit Youtube Twitter Learn. Then bring the interface up with: # ip link set interface up For example, assuming the interface is wlan0, this is ip link set wlan0 up. OR # ip link set dev eth0 mtu 1400. # ip link set enp0s9 down. Run ip link ls to check the status of the CAN bus. The modern way to create a VLAN interface is using ip link from iproute2. 4GHz/5GHz) is provided for initial setup only. 200/24 dev enp0s25 The ip can then be used to set the link up or down. You can use the bridge object ip the ip command, or the bridge command that makes part of the iproute2 package. 790 6 6 silver badges 10 10 bronze badges. 254. Every time I turn on my computer, I have to manually set # ip link set wlp5s0 up in order to use my wireless card. 1 netmask 0xffffff00 does work, and possibly I could use it as a workaround (by doing something like adding that command to rc. sudo ip link add eth_dummy type dummy # see that it exists now ip a # Give it 3 IP addresses with netmask `/24` (255. # ip link set guest_1_tap_0 master br0 # ip link set guest_2_tap_0 Modify Link Properties Using ip To bring up an interface, use the following ip command: sudo ip link set [interface] up. 100/24 brd + dev eth0 label eth0:0 Don’t forget to put the interface up, or it probably won’t be very useful. (This option is used by the system boot scripts. See 24 useful examples of the ip command w Learn how to configure IP addresses, network interfaces, and routing rules on Linux with the ip command. It's usually used for forwarding packets on routers, on gateways, or between VMs and network namespaces on a host. add. up and down change the state of the device to UP or DOWN. 1/24 brd 192. ip link set dev ppp0 mtu 1400 Change the MTU the ppp0 device. x Is there a similar command to use to set eth0 to get an address using dhcp? I tried typing: sudo dhclient eth0 however the ip address doesn't change when I type [Unit] Description=Service to bring up/down unconfigured nic enp10s0f1 After=network. Maybe it is normal that eth0 has The solution is to avoid changing several parameters with one ip link set call. Maidhof Support Posts: 1691 Joined: Wed 22. 5/24 dev eth1 $ sudo ip addr del 192. XFRM Type Support [SOLVED] ip link set DEVICE up fails. 12, the conduit interface needs to be # brought up manually before the user ports. The command facilitates a wide range of functions like showing detailed information about network interfaces, configuring and setting them up or ip link set-change device attributes Warning: If multiple parameter changes are requested, ip aborts immediately after any of the changes have failed. This command is part of the iproute2 package, a collection of utilities to configure and monitor the network. 04 (and corresponding Debian versions) ifconfig and ifup/ifdown are deprecated, and the recommended way to bring up the interface is with the ip command: ip link set dev <interface> up ip link set dev <interface> down And you can check your available interfaces with: ip link And you can show your interfaces' assigned ip To display link layer information, ip link show will fetch characteristics of the link layer devices currently available. 2. This section describes the management of a network bridge using the ip tool from the iproute2 package, which is required by the base meta package. Basic link manipulation. 0/24 dev lxdbr0 proto kernel scope link src 10. x netmask x. RMNET Type Support For a link of type RMNET the following additional arguments are supported: ip link add link DEVICE name NAME type rmnet mux_id MUXID. 2 up # bring up the user interfaces ip link set ip link just manages the physical link layer. Share. The default network name (TP-Link Extender or TP-Link Extender_2. I'm using ip tuntap to create a tap interface, like this: $ sudo ip tuntap add mode tap tap0 Afterwards, I set the interface up and address it with the common IP commands. ip link help gre Display help for the gre link type. To make the setting permanent for eth0, edit the sudo modprobe vcan sudo ip link add dev can0 type vcan sudo ip link set up can0 USB, PCI or similar CAN interface. 50. wlan0 or wlp2s0. Back to top. interface named `eth_dummy`. With the can0 SocketCAN network interface configured, we can continue with the last step, which is bringing it in the UP state:. service # ip link add link bond0 name bond0. The Grabify IP Logger & Tracker tool is designed to be as user-friendly as possible, and to provide the most detailed and advanced analytic information on every click. table table id associated with VRF device RMNET Type Support For a link of type RMNET the following additional arguments are supported: ip link add link DEVICE name NAME type rmnet mux_id MUXID. 1/24 dev eth Using the Link ip Object. Dynamic IP, and Static IP. Step 4: Now, create two virtual Ethernet interfaces using the veth type. The `ip link` command is used to manage network interfaces in Linux. 1 local 192. 0: MCP251x didn't wake-up mcp251x spi1. 100/24 dev vlan100 And bring it up: sudo ip link set vlan100 up If only a group is specified, then the command operates on all devices in that group. You can also change the MTU # tag traffic on CPU port ip link add link eth0 name eth0. OR $ /sbin/ifconfig. ip link add name br0 type bridge ip link set dev br0 up ip link set dev eth0 master br0 ip link set dev eth1 master br0 $ ip link set canX up type can bitrate 125000 A device may enter the “bus-off” state if too many errors occurred on the CAN bus. However, for doing the tunnelling, I need to set ip address to the device and set the link up. If this argument is omitted all devices in the default group are listed. 1 * The all three in one place for the right way of bringing up a network interface under linux with “ip” command: ip addr add 192. 100. Best Regards Marvin---Marvin Heidemann PEAK-Support Team. SEE ALSO top ip-address(8), ip-addrlabel(8), ip-fou(8), ip-ioam(8), ip ip link set can0 up. 1/24 dev dummy1 # ip link set dummy1 up IFB. Follow edited Dec 20, 2020 at 6:47. If the response to ifconfig can0 up is mcp251x spi1. See Linux kernel source, Kconfig files, for supported interfaces by the Linux kernel. 83. Also note that ip commands can Hi! Problem: Recently, maybe because of the recent Linux 4. The DOWN after that indicates that even though the interface is up, there is no active connection. For persistent configuration, you can automate ip commands using scripts and systemd units. I can see then my interface up and addressed with a simple ifconfig. Using Arch. ip route. Packets transmitted on one device in the pair are immediately received on the other device. I'm trying to use Pipework to connect the Docker container to a local physical interface (as opposed to using --net=host when Module Size Used by hid_generic 1161 0 usbhid 40577 0 hid 90678 2 hid_generic,usbhid arc4 2008 2 rt2800pci 11055 0 rt2800lib 74595 1 rt2800pci rt2x00pci 2664 1 rt2800pci rt2x00mmio 2945 1 rt2800pci rt2x00lib 37807 4 rt2x00pci,rt2800lib,rt2800pci,rt2x00mmio joydev 9671 0 eeprom_93cx6 2193 1 rt2800pci ip link add DEVICE type vrf table TABLE. 5 Docker image. $ sudo ip link set dev eth0 up You should now be able to use your virtual network interface for whatever you want. Visit Stack Exchange Run sudo ip link set enp0s3 down, do a ping again (no response, this is expected), ip a shows state DOWN and it still has the same IP and prefix. Example: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 The meaning of BROADCAST, MULTICAST and UP is clear, but what does LOWER_UP mean? I tried to google for this, but I didn't find a clear answer. x. 2 master br0 # ip link set br0 up Previous Next. The "ip link set ifname command" sets a network interface in IFF_UP state and enables it from the kernel's scope. Verify that new mtu is setup with following command: $ ip link list. 50 type vlan id 50 $ ip addr add 192. This is different from the ifup ifname command for initscripts or NetworkManager's activation state of a device. I recently bought a new laptop, and I'm in the process of installing Arch, but I'm coming across a very strange error? Specifically, I want to connect to wifi through wpa_supplicant, but wpa_supplicant returns the following. I then tried to execute the script adding ip link set dev eth0 down; and up like this: ip link set dev eth0 down; brctl addif br0 eth0; ip link set dev eth up; I lose the connection via ssh which is understandable. How to View Network Interfaces. ] DESCRIPTION top ip link add - add virtual link link DEVICE specifies the physical device to act operate on. Now, I was told by a teacher that by creating a tap interface (named tap0 in that case), I would find a /dev/net/tap0 node, and that I Setting up a dummy interface. $ sudo ifconfig wlan0 down $ sudo ip link set wlan0 down both correcly put down the interface and the connectivity does not work; but then $ sudo ifconfig wlan0 up $ sudo ip link set wlan up Learn how to use the ip command to assign IP addresses, routes, ARP entries, and more to network interfaces in Linux. , IP). Kuznetsov and added in Linux 2. 1/24 dev v-net. This lines add another loopback named loop1, loop2, loop3: sudo ip link add name loop1 type dummy sudo ip link add name loop2 type dummy sudo ip link add name loop3 type dummy Please check that dummy kernel module is loaded before running the above command: $ ip link add link eth0 name eth0. With Ubuntu 21. I can manually change the ip address using. Sep 2010, 13:00. 255 dev eth0. 2 type vlan id 2 # ip link set bond0. See syntax, options and examples for ip link, ip addr, ip route, ip neigh and more. I am trying to set the eth0 interface to use dhcp to get an ipv4 address, using the command line. The bolded "up" in the angled brackets is what `ip link set` changes. 168. Link types: bridge - Ethernet Bridge device bond - Bonding device Also check the output of the ip link command to see if a wireless interface was created; usually the naming of the wireless network interfaces starts with the letters "wl", e. How do I change the txqueuelen of the device? You can set the length of the transmit queue of the device using ifconfig command or ip command as follows: To temporarily configure an IP address, you can use the ip command in the following manner. Maidhof » Tue 2. 10 on device eth0. The IFB (Intermediate Functional Block) driver supplies a device that allows the concentration of traffic from several sudo ip link set v-net up. Improve this answer. The link object can access and configure information about the network interfaces on the system. sudo ip link set up can0; To verify that the can0 SocketCAN network interface is now in the UP When using the terminal tool ip, there is a number of flags for every interface. Display routing table, showing the route packets your network will take. M. 3ad ip link set enp1s0 down ip link set enp1s0 master bond0 ip link set enp2s0 down ip link set enp2s0 master bond0 ip link set bond0 up and to remove the bonding we ip link set can0 up type can bitrate 500000 dbitrate 2000000 fd on fd-non-iso on. To bring down the interface, run: sudo ip link set [interface] down. It is immaterial to ip link whether the device is in use by any higher layer protocols (e. To create a bridge named br0, that have eth0 and eth1 as members:. If you want to create network interfaces, but lack a physical NIC to back it, you can use the dummy link type. If you set up the extender via the WPS button, its network name will be the same as your router or with EXT at the end. 5-1-ARCH kernel update, I can't use "ip link set enp2s0 up" or any other commands like it to set my ethernet interface to up. ip link set can0 type can bitrate 125000 triple-sampling on then run ifconfig can0 up MCP251x didn't wake-up. ip link show Shows the state of all network interfaces on the system. The ip command replaces the deprecated ifconfig command and allows you to adjust network settings Learn how to use ip command to display and configure network parameters for Linux interfaces. 1 * Troubleshooting. 1 Linux Set Up Routing with ip command and save it to a configuration file. To bring down interface: ip link set eth0 down. 10 Removes vlan device. Delete an assigned IP address from an interface. 50 $ ip link set dev eth0. You can check that the interface is up by printing the netlink status: ip -details link show can0 2: can0: <NOARP, UP,LOWER_ UP,ECHO> mtu 72 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 10 link/can promiscuity 0 can <FD> state ERROR-ACTIVE (berr-counter tx 0 rx 0) restart-ms 0 bitrate 996078 sample-point 0 Administrative state is the result of “ip link set dev <dev> up or down” and reflects whether the administrator wants to use the device for traffic. Assuming you want to run the VLAN over interface eno1: sudo ip link add link eno1 name vlan100 type vlan id 100 Now optionally give it an address: sudo ip address add 10. ip link show-display device attributes dev NAME (default) NAME specifies the network device to show. Then no more messages are received or sent. Ví dụ, lệnh sau sẽ kích hoạt giao diện mạng eth1. Run sudo ip link set enp0s3 up, do a ping again and network is unreachable message pops in, ip a shows state UP and it still has the same IP and prefix. Create a new bridge and change its state to up: # ip link add name bridge_name type bridge # ip link set dev bridge_name up . ifconfig eno1 192. target [Service] Type=oneshot RemainAfterExit=yes ExecStart=/sbin/ip link set enp10s0f1 up ExecStop=/sbin/ip link set enp10s0f1 down [Install] WantedBy=multi-user. Link is a network device and the corresponding commands display and change the state of devices. ip link set ens1f0 up ip link set ens1f1 up ip link set ens1f2 up ip link set ens1f3 up From my understanding ip settings should be persistent per se. : Linux set up route with ip command: Configuration example includes adding, deleting and setting default routes under any Linux distro. 2 ttl 225 encap gue encap-sport auto encap-dport 5555 encap-csum encap-remcsum A pair can be created using the command: # ip link add <p1-name> type veth peer name <p2-name> In the above, p1-name and p2-name are the names assigned to the two connected end points. Output of `ip link ls` command. 2 type vlan id 2 # For kernels earlier than v5. It has nothing to do with addresses. Top. Updated 02-02-2024 23:19:52 PM 508814. Barnabas, I also need to use p1p1, these are for connecting three different machines using internal ips # ip link add dummy1 type dummy # ip addr add 1. g. Change device attributes. sudo ip link set up can0 type can bitrate 500000 And you can adjust the baudrate by changing the bitrate argument. TYPE specifies the type of the new device. Nov 2021, 10:43 I am creating a tun device, setting its owner, group and persistence using ioctl() calls. 100/24 dev eth0 ip link set eth0 up ip route add default via 192. HISTORY top ip was written by Alexey N. Modify the IP address and subnet mask to match your network requirements. 1 up ip link set eth0. local and forcing the broken service to restart). See practical examples and detailed explanations of the most common options and arguments. Abilogos. ip a del (ip_address) dev (interface) up. From man interfaces: Lines beginning with the word "auto" are used to identify the physical interfaces to be brought up when ifup is run with the -a option. It provides a way to view information about network interfaces, bring them up or down, assign meaningful names, change MAC addresses, and modify Learn how to use the ip command to configure network interfaces, IP addresses, routes, and more. Improve this And ip link still show UP. Any networking device which has a driver loaded can be classified as an available device. To manage your addresses, use ip address. I am currently doing this using # ip addr add # ip link set I As you see, MTU set to 1500 for eth0. # ip link add br0 type bridge # ip link set br0 up # ip link set br0 type bridge vlan_filtering 1 # ip link set bond0 master br0; Attach the tap device to the bridge. 102. For instance: ip addr add 198. Now that we’ve set up our VLAN interface, we need to edit the. sudo ifconfig eth0 x. However, e. I have a more in-depth post on how to choose the perfect IPTV service for you. Làm thế nào để kích hoạt Network Interface? Các cờ “up” với tên giao diện (eth1) cho phép một giao diện mạng. 50 up $ ip -d addr show. You can view the full list of features here. 66. So what's the problem here? Why ifdown can't bring down the interface? ip link add DEVICE type vrf table TABLE. 255. To bring an interface up (activate it), you can use the `ip link` command with the `set` action. Developer resources; Cloud learning hub With iproute2. ] ip link property del [ altname NAME. mux_id MUXID - specifies the mux identifier for the rmnet device, possible values 1-254. enp0s9のstatusがstate DOWNに変わっています。. Enable a network interface. 0: CNF: 0x03 0xf5 0x01 Then there is a problem with the interrupt signal from the MCP251x chip back to the driver. ipコマンドを使って、タグVLANインタフェースが作れます。 通常ノードに接続されたスイッチのポートはuntag（access）設定で使用されるケースが多いので、使用頻度はあまり高くないかもしれませんが、知っておくと仮想 STEP 3) Bring up the interface link ip route add default via 192. group GROUP GROUP specifies what group of devices to show then proceed with ip link to set up the device. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 5/24 dev eth1 4. Step 3: Assign an IP address to the bridge interface 'v-net' sudo ip addr add 10. 0 using Vagrant/VirtualBox and am running the vanilla ruby:2. ip link delete dev eth0. ). Stack Exchange Network. ip link property add [ altname NAME. Post by M. as it was said: just adding an IP to a To bring up interface: ip link set eth0 up. table table id associated with VRF device. Previously and usually (if network-utilities are installed on debian 10, then ifconfig and ip conflict, then forcing ip tuntap add tap0 mode tap ip link set dev tap0 up ip link add br0 type bridge ip link set tap0 master br0 ip link set eth0 master br0 (configure the master, br0, with the IP address, the slaves will share it) Share. When ip link add link eth0 name eth0. The ip can then ip link set. 5,012 2 2 gold badges 22 22 silver badges 41 41 bronze badges. Let us say you want this to 1400 then you can use any one of the following command to setup MTU: # ifconfig eth0 mtu 1400. Assign an IP address to an interface. Then, perform the same ip link 是 Linux 系统中 iproute2 软件包的一部分，用于管理和配置网络接口（链路层）。ip link 命令在 Linux 系统中用于显示和操作网络接口（网络设备）。 它是 ip 命令的一部分，提供了比传统 ifconfig 命令更强大和灵活的功能。命令提供了对网络接口的广泛控制，可以查看网络接口的状态、启用或禁用 ip tuntap add mode tun dev tun0 user my_unprivileged_user group my_unprivileged_group ip addr add 10. 5. Format. Follow answered Jan 15, 2021 at 11:06. Please report back to us regarding this. To add an interface (e. 8. 0. or you believe there is a better or more up- to-date source for # ip addr del 192. There are several CAN interfaces on the market which works with Linux SocketCAN. However, an interface is not usable just because the admin enabled it - ethernet requires to be plugged into the switch and, depending on a site’s networking policy and configuration, an 802 Add eth0 to auto lo, like: auto lo eth0 This will bring up lo (loopback) and eth0 on running ifup -a (done at boot time). Check the link state again for enp0s9 # ip link show dev enp0s9 4: enp0s9: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000 link/ether 1) sudo ip link add link_net link eth0 type macvlan mode bridge 2) sudo ip addr add [SPARE IP ADDRESS] dev link_net 3) sudo ip link set link_net up 4) sudo ip route add [CONTAINER IP ADDRESS] dev link_net; So something like this to create Your IP Logger link can access information about user’s IP address, location tracker (country, city) and so on. NAME specifies the name of the new virtual device. It is used to view the status of a network device, or set the administrative state to up or down. I'd like to avoid using a 3rd-party network manager if at all possible. 1. eth1) into the bridge, its state must be up: We can now add an alias to the interface and configure an it with an IP address. The Linux bridge has included basic support for the Spanning Tree Protocol (STP), multicast, and Netfilter since the This can be accomplished quite quickly with the IP command if you only need it temporarily: ip link add bond0 type bond ip link set bond0 down ip link set bond0 type bond mode 802. For example: This command brings the `eth0` interface up, enabling it to send and receive network traffic. As to what the problem is with network manager, I have no idea - I don't use it. Step 4: Set Up The m3u Link from IPTV Provider in the IPTV Application. ip route Show table routes. Only ip link set ens32 down brings the interface down. Re: problem in ip link set up can0 Linux. 2 posts • Page 1 of 1. ip link set x down Bring down interface x. I'm having this issue on a custom-built PC with a Realtek ethernet controller (kernel driver: r8169) which is built into the motherboard and a Rosewill N900PCE PCI I'm trying to set the link up using 'ip link set' command. 1/24 dev tun0 ip link set dev tun0 up But `ip a` shows this interface in DOWN state: 11: tun0: <NO-CARRIER,POINTOPOINT,MULTICAST,NOARP,UP> mtu 1500 qdisc fq_codel state DOWN ip link set-change device attributes Warning: If multiple parameter changes are requested, ip aborts immediately after any of the changes have failed. 0) sudo ip address add 10. On Kali something is needed to manage wpa_supplicant to use adapter (that can be network-manager or someother wpa_supplicant management tool). If you set up the extender via the Tether app or web management page, you can customize the network name as you like. ip link add name tun1 type ipip remote 192. SEE ALSO ip(8) AUTHOR ip -s link show (interface) route. To view information about all network interfaces on the server, use the ip link show command. . ip link set dev enp0s25 up ip link set dev enp0s25 down The ip link command is a versatile tool used in managing network interfaces on a Linux-based system. network and ip link add DEVICE type vrf table TABLE. This is just up/down and is controlled by you, or by networking software; after you enable the interface with ip link set eth0 up or ifconfig eth0 up, you can see it indicated as the flag <UP> near the beginning of your example. Am I missing something? I'm using this command to turn off spoof checking: ip link set <interface-name> vf <vf-number> spoof off. ip link add link eth0 name eth0. This step sounds like it’s the most complicated but it’s actually much easier than it sounds. It may have to do with the way Kali connects ip and ifconfig - they have been linked in recent versions. Is there a way to maintain this setting across reboots? So if I set the interface up it stays up until I turn it off. Be aware that configuration made using ip will be lost after a reboot. Barnabas Busa Barnabas Busa. 04 the same command returns: $ sudo ip link set up can0 RTNETLINK answers: Invalid argument Looking at the manual of ip link set x up Bring up interface x. Once you have an IPTV subscription you will receive something called an m3u link. You can After trying ip link set wlp4s0 up, I saw similar output of ip link: 3: wlp4s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000. To temporarily configure an IP address, you can use the ip command in the following manner. You can see that my SockteCAN device `can0` is at `UP` state. Again, I saw the error: Could not read interface p2p-dev-wlp4s0 flags: no $ sudo ip link set enp0s29u1u1 up $ sudo ip link set enp0s29u1u1 master br0 To verify the interface was added to the bridge, instead: $ sudo ip link show master br0 3: enp0s29u1u1: I'm running CoreOS stable 494. 2 up Add the bridge device and attach VLAN to it: # ip link add br0 type bridge # ip link set bond0. After running the command I can verify that spoof checking is off: vf 10 MAC 00:00:00:00:00:00, spoof checking off, link-state auto ip link set down enp1s0 && ip link set enp1s0 name ens33 && ip link set up ens33 Now if config will show interface with name ens33. 1 type vlan id 1 ip link add link eth0 name eth0. lfyvcnx vhui rnty thmfsf swtz ehvnv dnkokp hwrllq emuxu skkp