Questions tagged [bonding]

"bonding" is the Linux-term for link aggregation.

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Forwarding bonded connection to local network through stateful firewall - ArchLinux

I'm using Arch Linux to set up a firewall for a school which will stream each classes' video to students at home, so I need a strong and safe connection, that's why I was thinking about bonding ...
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rtk8192ee wifi firmare stops loading after ifenslave setup attempt (Debian 10)

I tried setting up Mode 0 NIC bonding using ifenslave between my Ethernet and WiFi cards on Debian 10. After numerous ifconfig wls1 up/down, I was able to set up Bond0 until it stopped working. After ...
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I'm trying to Bond Two Internet uplink for Increased VPN Speed, but no luck

I'm trying to Bond Two Internet uplink for Increased VPN Speed under this guide: How to Bond Two (Multiple) Internet Connections for Increased Speed and Failover But I have some problems: I've been ...
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Redundant Mikrotik switch bonding modes

All the posts I can find about redundant switches only address the servers connected to the switches. I need to confirm my configuration on both the servers and the router handling the traffic. We're ...
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Can NetworkManager deactivate connection when all bond slaves lost carrier?

For Ethernet connection, when carrier is lost then NetworkManager sets connection state to 'unavailable': [root@host ~]# ip link set down enp2s0f0 [root@host ~]# journalctl -u NetworkManager --since ...
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How do I add an extra bridge to a bonded interface using openvswitch

I need to add redundancy to my network, currently my public facing servers have one interface facing the internet and one going to my private network. This is all in the same vlan over separate ...
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port channel delay coming up <> linux config

after our 5k switch reboots, due to many configured vlans, LACP/port channels take some time to come up. seems to be a serial process, and if vlans are at bottom of this list, it takes some time - ...
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How to setup a bonded ethernet connection directly between macOS and Windows Server 2019?

I've been having trouble connecting a macOS 10.13 High Sierra server to a Windows Server 2019 server with a bonded ethernet connection consisting of 3 directly connected ethernet adapters. Windows ...
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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 but not the gateway and therefor the internet. The server is directly plugged into ...
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linux router, 2x NIC, HA with interface bonding, two ethernet switches

I have two NIC server (eth0, eth1) that I use as router. I have two switches working in stack. Is it a good idea / possible to create on them two bond lacp interfaces ( bond0, bond1 ). And use bond0 ...
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How to bond two interfaces having different speeds in Linux?

I have successfully set up two simultaneous VPN tunnels over different Internet connections to the same server. Then I've bonded them using systemd-networkd and balance-tlb mode. It works as designed,...
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Interface bonding on GRE tunnel with nmcli

I have two Ubuntu server-based routers and I'd like to bond (in broadcast mode, since I only care about redundancy) a radio link (where the radio equipment is connected to an Ethernet port) and a LTE ...
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Fluctuating throughput numbers with iperf3 and bonding

I created a bond out of two interfaces of 10G with the following config in two servers: Bonding Mode: load balancing (xor) Transmit Hash Policy: layer3+4 (1) MII Status: up MII Polling Interval (ms): ...
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What is the Proper Way to Create Port Bonding on RHEL?

I've got for data interfaces on my server: eno5, eno6, ens3f0 and ens3f1. I need to create port bonding with these four interfaces with a VLAN ID 101 and with bond name data0. More info: RHEL 7.6 ...
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801 views

debian 10 bonding error boot bond0

I try to set up bonding on my debian 10 computer. I have 2 NIC card, I try to use enp1s0fX port. Sample of my interfaces file auto bond0 iface bond0 inet static address 192.168.211.124 gateway ...
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CentOS 7, KVM, bridge, VLAN, bond and no guest traffic

I'm running into an issue where my KVM guests have no network traffic in- or outgoing. After a lot of hours debugging I'm pretty sure I'm missing something essential. What I have a server with 2 10 ...
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192 views

Bridge over VLAN interfaces causes broadcast storm

I am doing experiments on my Proxmox server. The purpose of the expriment is to establish reliable and fault-torrant communications between two PCs that control industrial equipment. but I am puzzled ...
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174 views

LCAP and VLan on FreeNAS box

I can not seem to get the FreeNAS GUI to come up when I try to use link aggregation. I have been googling for days and I am totally lost as to where I am going wrong. I will list the equipment I have ...
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Network interface is down then is up with different speed

i have a HP ProLiant server with 4 physical network ports. eth0 and eth1 are bonded together. today we faced a lag in our services, turned out that eth0 was down then up with 1000Mbps speed then went ...
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Linux bonding Mode 1 (active-backup)

I'm trying to configure the bond (active-backup) on three server (one act as storage) with 2 nic and 4 ports using 2 switches (ISL is present). The goal is to not break the connection to the storage ...
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using all LACP slave interfaces when there is only one client - using NFS ports

I want to be able to load balance file transfers to an NFS share - just like this. I want parallel file transfers (from the same host, to the same destination) to use different slaves. Can I do this ...
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Incoming slave selection for 802.3ad bonding

For bonding mode 802.3ad, slave selection for outgoing traffic is defined by the xmit_hash_policy value. But how is the slave selection done for incoming traffic?
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Speed of eth interfaces differ under the same bonding

I have recently noticed that one of the bonded eth interfaces [eth0] under the bond0 has 100mbps speed while the other one [eth4] has come up with 1000mbps speed. Auto-negotiation is on on both slave ...
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NIC bonding on Linux in redundant network topology

I want to implement NIC bonding on Linux server in redundant network topology as shown in the network diagram below. Network topology Both interfaces of the Linux server fa0 and fa1 would be in one ...
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157 views

site to site openVpn link aggregation with linux

I'm trying to improve access over VPN for a site office to the head office. Will the following increase single file download speed. Provide 2 WAN (NBN) connection at both sites. Dedicate each WAN ...
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424 views

ubuntu 18 nic bonding not working

I have some issue with my aggregated nics in ubuntu 18. I was not able to make it work. it is not pingable and not able to ping also. **Netplan config:** *network: bonds: bond0: ...
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874 views

Failed to configure network bonding on CentOS 7 with Ansible

I am trying to configure a bond interface using the Ansible net_linkagg module but the tasks failed with the following error. FAILED! => {"msg": "ansible_network_os must be specified on this host ...
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Bonding Fails in Kickstart %pre Section

I am trying to setup a bonded network from the %pre section of a CentOS 7 kickstart. I can prove the the following bonded network works: network --device=mynetwork --bondslaves=eth0,eth1 --bootproto ...
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CentOS 7.6.1810 bonded bridge breakage

My kvm/qemu server has two Intel igb network interfaces set up as bond0. ifcfg-enp1s0f0 contains: TYPE=Ethernet DEVICE=enp1s0f0 MASTER=bond0 SLAVE=yes NM_CONTROLLED=no IPV4_FAILURE_FATAL=no IPV6INIT=...
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3k views

How to Bond Two (Multiple) Internet Connections for Increased Speed and Failover

We are located in a rural area with two slow ADSL connections (3.5/0.5 Mbps) and wanted to improve connection speed and reliability by somehow "combining" them. The following describes our solution ...
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117 views

“Unreachable Network” After network bonding

We've configured network bonding on more than 20 VM. It is working properly but after this configuration VM's fall from network in random order and conditions. Restarting network service is solving ...
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415 views

Why is networkd changing the MAC addresses of my bonded interfaces?

When I add the config files below into /etc/systemd/network and restart systemd-networkd, I find that the MAC addresses of bond0, eth0 and eth2 have all been changed to a single, locally administered ...
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71 views

Setting up DHCP with CloudInit and Bonding

I currently have a cloud init file that setsup the DHCP via the following: - path: /etc/systemd/system/dhclient@.service content: | [Unit] Description=Run dhclient on %i interface After=...
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Adding a bridge on top of a bonded interface that have multiple ip?

I have a server that has three static IP addresses. I'd like to add a bridge to these settings. I tried to add the bridge this way but it doesn't seem to be working. auto bond0 iface bond0 inet ...
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Bonding / link aggregation, is it ok to connect 2 switches together? [duplicate]

I have 2 computers, each with 2 ethernet ports connected to 2 unmanaged switches using linux Bonding Mode: load balancing (round-robin). Can the 2 switches connect to each other without causing a ...
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1k views

KVM QEMU Guest VMs randomly lose network connection

I'm working on setting up a server with KVM/QEMU and all Linux servers. We are going to use this server for web development, git, VoIP PBX, etc. (We were using XenServer and Windows Server 2016, but I'...
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Is it possible to use Link Aggregation to connect to two unmanaged swtiches, providing switch redundancy?

Assuming that I have a firewall that supports Round-Robin or Loadbalance link aggregation (no LACP necessary), would it be possible to connect each of the NICs in the LAGG group to a separate, ...
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972 views

Bonding balance-xor (mode 2) using only one network interface

I am using Ubuntu 16.04.6 LTS and bonded 2 network interfaces with the following config: auto eno0 iface eno0 inet manual bond-master bond0 auto eno1 iface eno1 inet manual bond-...
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bonding network interface speed changed to 0

I have Suse12 system with Intel 82599ES nic(with 2*10-Gigabit SFI/SFP+ port),two ports are bonded by lacp.Recently,the system network is unreachable,lasted 3 minutes. Looking through the message log, ...
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73 views

Recommended application and storage server network link over NFS

Background: I have a RHEL6 storage server (lots of HDs) and a RHEL6 Application server (little storage, lots of CPU/memory). They are currently connected to a 1GB Catalyst 2960-X switch. There is ...
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614 views

Linux optical 10Gbe networking, how to diagnose performance problems?

I have a small cluster consisting of 3 servers. Each has two 10Gbe SFP+ optical network cards. There are two separate 10Gbe switches. On all servers one NIC is connected to switch 1, second NIC is ...
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70 views

Ubuntu Bridge network interfaces on 4 port gigabit card

I've seen this on the internet before. I have a Ubuntu server with a 4 port gigabit network card. I would like to bridge the interfaces so that, if an interface is busy, the packets will go through ...
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79 views

Bonding on centos only and switch without LAG enabled vs Bonding on centos and swtich with LAG enabled

I am a little confused on Bonding on Centos side and Link aggregation on netgear switch side. Would mean a lot if someone can clear it out. Using switch Netgear XS708E which does not support IEEE 802....
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Collecting NIC teaming information on Server 2008 R2/PowerShell 2

Is there a way to do this via WMI? I've collected info but am not sure what to look at as far as identifying interfaces as set up with teaming. Nearly all the servers that have teamed interfaces ...
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534 views

VM transfer speed between XCP-ng (XEN) servers

I have two HP DL380 G8 servers with 4x 1TB on HP p420 RAID controllers in RAID 1+0 setup. Eth0s are connected to the router, and Eth3&Eth4s are bonded (LACP) and connected directly between ...
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185 views

bonding configuration when SLAVE=yes

In my network configuration I see the settings of SLAVE=yes what is mean that - SLAVE=yes # cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=none ONBOOT=yes # Settings for ...
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268 views

How to assure the same MAC address is used to bond interfaces using anaconda kickstart installer?

I observerd that the bond0 interface I create at install time may randomly use the MAC address of the first or second interface. This is causing problems because it means that the ARP information of ...
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584 views

Linux Bonding Mode 1 Active-Backup

Is it possible both NIC configured as Linux Bonding Mode 1 sending traffic? I have a strange case where both NIC is set as Linux Bonding Mode 1 (active-backup) and connect to two different switches (...
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607 views

can multiple ip addresses be attached to a single network bonding device?

I am setting up an Ubuntu server for several hosting tasks that has 2 network cards and I have 5 ip addresses reserved for this server. From the bonding documentation I understand that it can easily ...
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69 views

Is it possible to create iface teaming/bonding over tunnel devices?

I have several physical NICs on one server which should be able to access peer server's physical NICs. I have ip-tunnel devices (currently set as GRE) between each pair of NICs. I'd like to team/bond ...

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