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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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 ...
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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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2 answers
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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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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 ...
2 votes
1 answer
6k views

NIC bonding mode 6 (balance-alb) only uses one NIC

OS: Ubuntu 12.04LTS bonding is in /etc/modules for automatic loading at boot The bonding configuration works in bond-mode 0 but not bond-mode 6 -- When the system boots bond0 comes up with only ...
3 votes
1 answer
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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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1 answer
5k views

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 ...
1 vote
1 answer
6k views

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 ...
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1 answer
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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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1 answer
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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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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 ...
-1 votes
1 answer
113 views

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 ...
3 votes
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351 views

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 ...
0 votes
1 answer
155 views

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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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 ...
0 votes
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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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197 views

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 ...
0 votes
1 answer
217 views

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)? ...
1 vote
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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 ...
0 votes
1 answer
3k views

Ubuntu 18.04 and bonding

Is there any good walkthroughs on how to get bonding working on 18.04? I have a server with two interfaces currently set as DHCP and would like to have bonding setup for resilience I know I could do ...
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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-...
2 votes
1 answer
3k views

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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2 answers
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How to setup Ethernet network bonding for root NFS mount over PXE boot in Ubuntu 16.04 LTS

For my personal minicluster, I successfully setup an Ubuntu server 16.04 LTS PXE network booting system, however, in order to take advantage of the 4-port NICs I have, I want to setup Ethernet ...
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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 ...
1 vote
2 answers
2k views

Forward packets from bonded LAN interface to WAN

I am not able to route packets between the lan side of my ubuntu server and the wan side. I'm looking for some assistance. I have 5 ethernet ports on my server - 1 onboard (eth0, used for wan) and 4 ...
1 vote
0 answers
716 views

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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1 answer
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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, ...
1 vote
1 answer
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Netplan - configuring 2 vlan on same bonding

On my Ubuntu servers (16.04) I used to create a bonding between 2 interfaces and set 2 adresses on it from 2 different vlan. I can't manage to create the same configuration with Netplan for my new ...
1 vote
0 answers
2k views

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 ...
0 votes
1 answer
184 views

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 ...
1 vote
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585 views

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 ...
0 votes
1 answer
796 views

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 ...
0 votes
1 answer
2k views

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). ...
2 votes
2 answers
2k views

How do I get bonded NICs to use their real MAC addresses?

I have a bonded interface: bond0 Link encap:Ethernet HWaddr d4:ae:52:ce:32:4e inet addr:172.26.1.210 Bcast:172.26.1.255 Mask:255.255.255.0 inet6 addr: fe80::d6ae:52ff:...
0 votes
2 answers
1k views

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' ...
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866 views

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 ...
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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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 ...
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0 answers
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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 ...
1 vote
1 answer
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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 ...
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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-...
0 votes
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 : ...
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1 answer
480 views

Renaming Ethernet devices in 16.04

After swapping CPU and mobo, I've had a lot of trouble getting networking running again. I deleted all my original bonding configs from /etc/network/interfaces and uninstalled NetworkManager. It's now ...
0 votes
1 answer
863 views

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 ...
5 votes
1 answer
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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: ...
16 votes
2 answers
7k views

Ubuntu 14.04 - Bonding 2 WIFI cards

I'm trying to bond 2 WIFI cards in Ubuntu 14.04. I've installed ifenslave-2.6, then changed /etc/network/interfaces and added a /etc/wpa_supplicant0.conf and /etc/wpa_supplicant1.conf file as below. ...