Questions tagged [network-bonding]

Network bonding is a method by which several physical network interfaces (NICs) are bonded or merged together to form a single virtual one which behaves as it were a real one.

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NIC Bonding Problem

My infrastructure is like below: Ubuntu 22.04 LTS Server running on VirtualBox 2 NICs, enp0s3 and enp0s8, both attached to Bridged Adapter My netplan file: network: version: 2 renderer: networkd ...
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LACP NIC Bonding always uses only one interface port event at Hash policy layer 2+3

We are facing an issue with UBUNTU 20.04 NIC bonding LACP 802.3ad. Two 100G NIC ports are bonded via netplan and the settings are - MTU 9216, Hash policy 2+3, LACP fast, and the same is configured ...
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How can I use netplan match on macaddress when I then bond the nic?

network: renderer: networkd ethernets: eth0: # usb ethernet 1 match: macaddress: f8:e4:3b:55:72:71 set-name: eth0 dhcp4: no eth1: # builtin match: ...
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bond with different VLAN's, all uses same MAC-Addresses / is it possible to generate the MAC automatically?

the config is done as follows with the configurator in the setup wizard: network: bonds: team0: interfaces: - enp65s0f0np0 - enp65s0f1np1 parameters: lacp-rate: ...
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How to avoid netplan apply errors for Ubuntu22?

How to avoid netplan apply errors for Ubuntu22? WARNING: permissions for /etc/netplan/00 are too open
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LACP between 22.04 and Open vSwitch: Ubuntu neither responding nor sending LACP PDU

I have a a fresh Ubuntu 22.04 running in KVM with 6 virtio interface emulating e1000. This is connected to an Open vSwitch and LACP is configured on both switch and Ubuntu. Summery of my problem is ...
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network manager not show bond0 lacp connection

System is running Ubuntu desktop 23.04 I am unable to update Application Software because the application does not see a network connection. I have created a LACP 802.3ad dual nic connection using the ...
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Stuck at network configuration part

The dialogue option never changes to "done" or "continue" during network configuration. Instead it only says "continue without network". I don't have ethernet port on my ...
Logesh L's user avatar
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link aggregation: how?

Link aggregation is not working for me to a point of the server not being reachable: what could be the problem, and what are the best practices in this type of a (seemingly fairly common) setup? Dell ...
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Can't find the network during installation

I'm trying to finish setting up Ubuntu 20.04 server on my HP ZBook laptop, but I can't set up the network correctly. I can't find my wired LAN. I read the Ubuntu official guide and it says that ...
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Netplan stops creating bond

I've been running a home build home lab server for file sharing. It worked perfectly until 5 days ago. For no apparent reason, netplan stopped creating the 802.3ad bond0 network for my intel (pt) ...
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How to setup NIC bonding in Ubuntu 20.04 docker image

I want to sent ip NIC bonding (teaming) in Ubuntu 20.04 eve-ng docker image. when i enter command "sudo mobprobe bonding" I receive the following error; modprobe: FATAL: Module bonding not ...
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Nic bond issues

Encountering an issue when trying to bond two nics in a HP server running 22.04. I'm using the following netplan config file and two ports on the cisco switch bonded with LACP, the ports on the cisco ...
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KVM netplan bridge is not loaded after reboot, but works manually loaded

I have a KVM host running on private network with subnet mask 192.168.62.* The server has 4 ethernet interfaces, 2 of them are connected to the same switch. I have tried to create a netplan yaml file, ...
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Ubuntu Bonding doesn't work on Dell R730

I am unable to make a bond work on an R730 DELL server whereas r630 servers (we have 3) are connected to the same switch and have the same VLAN's allowed are working without any issues.I have cross ...
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How to get DHCP from both interfaces in bonding active-backup mode?

I have two interfaces connected to two different routers - with different gateway and subnets. How to get IP addresses on bond interface from both enp1s0 and enp2s0 (in bonding active-backup mode)? ...
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What is the best way to have failover connection for OpenVPN client

I am going to make failover connection for OpenVPN client. What will be the best way to achieve it? I have two ethernet interfaces. I connect eth0 to LAN (with DHCP), and eth1 to GSM router (with ...
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22.04 Bonding Confusion

I'm struggling with bonding. I have a Cisco C220 and trying to create a bonding of my 2 of 3 ports (2x 10Gb SFP+ ports, and 1GB Ethernet ports). I have devices pointed to each of their IP addresses ...
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Network Bonding - ubuntu 20.04 Can't reach the outside world

I am at wits end. I am trying to get network bonding to work. I have tried both using netplan config file and doing it manually with ip commands. Ether way looks like everything is up and working ...
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issues with bonding

I have enabled nic bonding with vlans on my ubuntu 22.04 machine with 2 interfaces. One of the interfaces is connected to Switch 1 and the other one goes to Switch2. Here is what happening, when i ...
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NIC Teaming in Ubuntu 20.04 LTS

I'm naive to Linux flavours (like Ubuntu, Centos, etc). I've been googling on how to setup NIC teaming in Ubuntu 20.04 LTS, reading mostly using /etc/network/interfaces. But, I couldn't find '...
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bonded nics with netplan on Ubuntu 20.04 does not pass traffic

I've spent all afternoon trying to get some nics bonded on a Ubuntu 20.04 server. The bond seems to come up OK based on ip a and /proc/net/bonding but I can only ping the ip of the bond itself, ...
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Active-backup bonding in netplan using cellural modem

I try to set up active-backup bonding in netplan with a modem (ppp0) as a backup. Ppp0 interface works correctly on its own and was created using network manager in line with the guide on official ...
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Can't update after NIC Teaming/Bonding Linux Server

So, I'm a noob when it comes to Networking on Ubuntu. I created a bond/NIC Teaming on my Ubuntu Desktop for the 2 NIC cards that I have on it, but I'm unable to resolve DNS names. This is making my ...
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Creating bonded interface with new Ubuntu Server 18.04 install does not work

Final Update I started fresh again with DHCP on the client LAN. It successfully installed and was able to resolve the address to grab updates. Since a bond was not created initially, I installed ...
DevOpsSauce's user avatar
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Unable to ping the gateway in ubuntu 20.04 bond mode

I have ten servers, it has 2 INTEL 10GB network cards (dual port) Under UBUNTU 20.04, use bond6 mode to bond 2 network cards in a group; The server often fails to connect during the test When the ...
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Network bonding: slave NICs still get DHCP

I'm setting up bonding of two 1 GB Ethernet NICs on Ubuntu Server 20.04 LTS in mode 0 (balanced-rr). The bond is working in that it comes up at the assigned IP address and I can SSH into it at this ...
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How to create multiple IP Addresses on a bonded interface with Netplan?

Edit: This may not be possible. According to the Netplan Docs, aliasing cannot be implemented. If it can't, I suppose I will need to come up with another solution (e.g. use the old interfaces method). ...
DevOpsSauce's user avatar
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netplan yaml file apply error while setting up Bridge and Bonding port on Ubuntu server 18.04

I try to setup a bridge and bonding port on Ubuntu 18.04 server, got a error message: /etc/netplan/00-netcfg.yaml:15:33: Error in network definition: unknown key 'interfaces' ...
ComputerLam2000's user avatar
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Ubuntu 20.04.2....Bonded NICs as TRUNK interface...assign IP from a specific VLAN to the bonded NICs?

I am attempting to setup BONDED NICs (2x 10G). We have 6 total NICs, 4x 1G and 2x 10G, do not plan to use the 1G connections at this time. Looks like I have the NICs bonded (no errors in networkctl ...
DMel's user avatar
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VLANS on Netplan break ping/ssh

Took me a while to figure out correct format for Netplan to work properly with vlans. Anyway, this applies properly but breaks ping and ssh on both vlans. I would also rather only have the ip ...
TomVT's user avatar
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ubuntu 18.04 how to install over a bonded interface

Is it possible to install ubuntu server over a bonded interface. Trying to see if i can pass bond information as boot params and configure bonding ? Any example would be greatly appreciated .
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Bond fails to acquire DHCP lease on Ubuntu Server 20.04

I recently installed Ubuntu Server 20.04 to replace an ESXi server. During the installation, I configured a bonded interface for two ethernet interfaces. I configured the bond on my ZyXel GS1900-8 as ...
DontTurnAround's user avatar
3 votes
1 answer
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Can't disable local addresses on network interfaces

My server: ASRock B450M/ac (RealTek 8111/8168/8411) Ryzen 5 3400G 64GB System Memory Rosewill RC-411v3 (RealTek 8111/8168/8411) My Computer: Ryzen 7 2700X 32GB System Memory MSI X470 Gaming Pro ...
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Ubuntu 20.04 KVM, netplan with bonding, vlan and bridges

I am preparing migration of an UBUNTU 16.04.7 server with 5 NIC's to 20.04. My testing server has 4 NIC's: 2 onboard and 2 as Intel Pro NIC. Configured in 00-installer-config.yaml. The first NIC is ...
HeuvelTop's user avatar
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1 answer
2k views

Netplan with bonded NICs and VLANS and bridges not working

I have a netplan issue. Config is below. Bond seems to be working but I cannot connect to the network VLAN128 (br128) which is bridged on bond. The hardware and bonds worked before the server upgrade ...
olivernz's user avatar
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2 answers
4k views

Netplan not detecting MII uplink down on a bonded network interface

Dealing with a weired issue where netplan is not detecting the uplink going down for one of it's primary slave and not selecting the other slave. I also tried setting up all parameters of mii-monitor-...
Sharad Kumar's user avatar
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1 answer
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Netplan inconsistent indentation Ubuntu 20.04 server

I am having an inconsistent indentation problem in a netplan configuration. I would like, if possible, someone to explain to me where I'm going wrong. Thank you. The error is: /etc/netplan/50-cloud-...
IT Aveiro's user avatar
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1 answer
670 views

Docker Ubuntu: NIC Bonding

I´m in the process of creating a docker image that supports nic bonding but the ubuntu 20.04 docker container throws the following error when I execute the command modprobe bonding modprobe: FATAL : ...
Dinesh Kalidassan's user avatar
2 votes
2 answers
33k views

Bonding / Ubuntu 20.04

I recently installed Ubuntu 20.04 on a VM with 2 ethernet ports. I'm trying to bond those 2 ethernet ports, but I can't find the right way. For example, someone says without netplan, others with ...
Norman Fricker's user avatar
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1 answer
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Netplan error in network definition bonding

Copied the example on netplans site and have issues with the interfaces not defined. Below is my config that i'm using. I no longer have internet access on that machine. This was working but rebooted ...
Mike P's user avatar
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5 votes
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Error in network definition: bond0: interface 'eno2' is not defined

I get this error when trying to netplan apply. eno2 exists but netplan says it's not defined. network: version: 2 renderer: networkd bonds: bond0: ...
Matt Roberts's user avatar
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Slave nics in a bond are getting an IP from DHCP, despite netplan config?

I'm on Ubuntu Server 19.10, using netplan, and I have 4 bonded nics in a balance-rr bond. It is configured in Netplan as a static IP. After applying netplan or rebooting I cannot ping the gateway. ...
surfrock66's user avatar
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No connection to default gateway

I freshly installed a new ubuntu server and set up netplan for 802.3ad. Now I can reach every device in my network (and vice versa) but not the gateway and therefor the internet (also the router ...
Erik Bender's user avatar
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1 answer
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Netplan bonding 2 gateways (2 ISP)

My office is in an area where wired internet connection is poor and unstable so I'm trying to bonding 2 ISP. I have 2 modems connected to two different phisical interfaces on my Ubuntu 18 server: ...
EmbALL's user avatar
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1 vote
1 answer
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Where is my bonded network config hiding?

Ubuntu 18.04.4 LTS About 18 months ago I successfully bonded/teamed my two network adapters together, and I have no recollection of how I did it. I wanted to make some configuration changes to it ...
Peter's user avatar
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2 votes
1 answer
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Change network bonding parameters without reboot

In Ubuntu 18.04 I have the netplan bonding configuration like this: bonds: bond0: interfaces: - eno1 - eno2 parameters: mode: active-backup primary: ...
EM0's user avatar
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Bonding / Link aggregation / NIC teaming for faster transfer

I am working on a home server and want to utilize more than one 1Gb connection to my servers, to make for instance 4Gb connection with 4 cables. My question is how to achieve this with Ubuntu server ...
Jan's user avatar
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Shifting MAC in bond

I have a system running 18.04 which requires a bond due to bandwidth. However what i have found is that the MAC address may change upon boot up. The software i am using requires a MAC which is fixed ...
Feckie's user avatar
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How can I use device bonding and dhcp to bind a WiFi and NIC to the same DHCP address?

I have a notebook that has both a Wired (enxa0cec80070b7) and a WiFi adapter (wlp1s0) I use my router’s reserved address feature to assign a DHCP address to each device 172.16.68.13: wlp1s0 172.16....
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