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Questions tagged [bonding]

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

Cisco terminiolgy is "etherchannel", other vendors may talk about "trunking".

The idea is to use several pyhsical lines in the same (sub)network or VLAN and load-balance the traffic across these lines.

To make it work both "ends" need to use the same LB-mode.

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Bonding dual 1 Gbit/s NICs to boost throughput to single 2.5Gbit/s port

Linux is capable of bonding NICs together. The interesting policy for this is Round-robin, which alternates outgoing packets between each NIC. However the performance benefits are usually limited to multiple clients. A single 1000BASE-T client,…
1N4001
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ESX(i) Interface Bonding ala Linux?

I'm planning to virtualize some Linux hosts that I've got, and I'm going to be putting ESXi on the physical machines. Currently, I've got two switches set up for redundancy, and I've got bonding setup in mode 1 (active/backup). Here's the simple…
Matt Simmons
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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, I notice when the interface goes down, we are…
jim corleone
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Setup 802.3ad bonding under Debian Jessie with a HP 1920G switch

I've got a Debian Jessie server with two Intel i350 onboard 1Gbps NICs which I would like to bridge using 802.3ad protocol to my HP 1920G 48port managed switch. Here is the kernel I'm running ~ % uname -a Linux ltsp 4.9.0-0.bpo.3-amd64 #1 SMP…
map7
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bridge0: received packet on bond0 with own address as source address

I have created a bond using netplan (ubuntu 18.04) which shows the same MAC address for the two member physical NICs and the bond itself. I configured a bridge on top of that, for use with KVM/Qemu VMs. 2: eno1:…
spoovy
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LACP 802.3ad load balancing (bonding) on Ubuntu 18.04 not balancing evenly

I upgraded to Ubuntu 18.04 and the new Netplan configuration, but my (2) network cards stopped sharing the load evenly. In my network configuration, I have many connections to many different servers; this configuration worked with previous versions…
ensnare
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Network bonding mode balance-rr / 802.3ad layer3+4 on Linux

What is the difference between balance-rr and 802.3ad with xmit_hash_policy set to layer3+4. https://www.kernel.org/doc/Documentation/networking/bonding.txt layer3+4: This algorithm is not fully 802.3ad compliant. A single TCP or UDP conversation…
FaxMax
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Could it be that no link detected until bond configured?

Could it be that the: ethtool ethx | grep detected shows "no link detected" if the bond0 isn't configured yet on OS (linux) side? isn't ethtool showing a physical state?
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bonding-rr vs single 10G for NFS NAS - pros and cons?

I'm standing before choice of NICs and switch for storage server and virtualization hosts and I can't decide between 10G and quad gigabit with bonding-rr. 10G is noticeably more expensive solution and we don't really need 10G, 4G is definitely…
Lapsio
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Linux bond mode 802.3ad not activated

on a server running Debian Stretch I configured a bond0 with the 802.3ad mode as following: auto bond0 iface bond0 inet manual slaves eth0 eth2 bond_miimon 100 bond_mode 802.3ad The bond0 interface is up and and running but…
Mat
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Bonded Gigabit Interfaces capped at ~500mbps each

This issue has been driving me nutty for days now! I recently bonded the eth0/eth1 interfaces on a few linux servers into bond1 with the following configs(same on all systems): DEVICE=bond0 ONBOOT=yes BONDING_OPTS="miimon=100 mode=4…
Jeremy
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Is Debian package ifenslave really necessary for bonding?

This piece of Debian documentation states that package ifenslave is necessary for bonding: First install the ifenslave package, necessary to enable bonding Yet I know of two Debian 7.10 (wheezy) hosts where dpkg --get-selections | grep ifenslave…
rookie099
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Network interface periodically going down with speed changed to 0 kernel errors

Over the last couple of days, the bonded network interface on one of our servers has stopped responding. Looking through the kernel logs, I notice when the interface goes down, we are getting lots of repeated errors of the form: [76019.645601]…
PicoutputCls
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ARP/ICMP issue in VLAN over bonded interface

I've been trying to troubleshoot this for whole day without any success. I have two servers, server1 and server2, both running Ubuntu 14.04.5 LTS and connected to a Cisco sg200-08 switch via LAG trunk with LACP. The switch ip is 172.128.1.254/24 and…
IgorC
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Win2012R2 NIC Teaming with LACP, but one nic has not traffic

I want have 2Gbps bandwidth (peer to peer) with 2 1Gbps NIC. It's on HP MicroServer Gen8, 2 on board NICs. I have bind 2 NIC teaming with LACP, dynamic load balance, but one interface has large traffic, other has not traffic. (NIC0 has traffic NIC1…
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