Questions tagged [bonding]

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

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Centos Network Manager -nmcli How to revert to previous status of network or remove properties of network?

I'm a newbie in network, so please understand me. I have a bond network, but I added a bridge network to the bond as master using nmcli con modify bond0 master br0 but after that, I lost IP address ...
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Netplan not changing active port when arp ip target is not reachable

I am trying to configure Ubuntu server 20.0.4 with netplan and use dual copper lan port and optical convertors to achieve redundancy. in my config I have bond created of two interfaces bond-lan: ...
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Linux bonding add new port

I got active bond with two ports on server, under Ubuntu 22.04 Bond mode is: 802.3ad I want to add one more port. So, the question, there will be some downtime, bond flapping when I add one more port ...
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LACP between Ubuntu 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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How to use eth0 hardware mac address for bond interface?

We are running Ubuntu 22.04 LTS. We are using bonding in the network interfaces file. After rebooting the server, bond0 interface always takes a new mac address. How to make the bond0 interface use ...
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Bridging two NICs with differents speeds DDOSes subnet when both cables plugged in

I have recently configured a new server and wanted to setup the two NICs in it to run in bond-mode 1 and then bridge them. We have this exact setup running on our other servers. The difference between ...
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NIC Bonding Rocky Linux 8

Since teaming is going to be deprecated, Red hat suggested to use bonding instead, however bonding in the past had the limitation of being able to bond two network cards only, which was not the case ...
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Unbalanced RX data when using network bonding in mode-4

We use a dual network card server with bond in 802.3ad mode. # cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v5.14.21 Bonding Mode: IEEE 802.3ad Dynamic link aggregation Transmit Hash ...
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How ARP (address resolution protocol) works with ethernet bonding?

We use a dual network card server with bond in 802.3ad mode. The outgoing bandwidth on both network cards is balanced, but the incoming bandwidth is concentrated on one network card. This issue is ...
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what is the preffered configuration of NIC for Kafka - team or bond configuration?

We have 22 Kafka brokers physical machines (DELL HW) that should be finally installed as production Kafka cluster. when OS should be RHEL 7.9 version we are not sure about - TEAM vs BOND for Kafka ...
King David's user avatar
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ping fails when bond0 switches slaves, ip stays the same

setup is fresh debian 11 Bonded connection (bond0) is created using all nmcli commands sudo nmcli con add type bond con-name bondcon ifname bond0 mode active-backup +bond.options "primary=eth0,...
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Why if you down one of the interfaces(active) used in a bond(active-backup mode) the connection to the server is lost?

Tried to configure bonding on Oracle8.7 The only problem is, trying to test it out if it works fine or not, found a little problem when you shutdown active interfaces used in the bond the connection ...
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Set NIC Bonding Transmit Hash in EL9 with NetworkManager

I have just upgraded to Rocky Linux 9 and haven't been able to set the nic bond Transmit Hash Policy to 1. I'm using NetworlManager rather than the ifcfg files which is used by default in EL9. I have ...
Steven Lutz's user avatar
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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 ...
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Which Network bonding mode gives better performance

I have 2 ethernet interfaces eth0 and eth1. My goal is to use same ip for both interfaces. I tried Balance Round Robin- poor bandwidth performance observed Active backup - Only one interface working ...
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How to ping backup interface?

this is my network configuration: bond interface 192.168.101.50/24 has two salaves: eth1 (192.168.101.1) that is connected to 192.168.101.2 and eth2 (192.168.101.10) that is connected to 192.168.101....
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CARP getting confused with 2 interconnected switches and bonding

I'm having a pretty straight forward 10G switch setup: +-----+----+ +-----+----+ | |port2 ISL port2| | | switch A +--------------------------+ ...
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Shared network attached storage - trunked with multiple vlans?

I am introducing an NFS server which I would like to share with KVM guests across different VLANS. I am trying to find a solution which would strike a good balance between function, serviceability, ...
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ip link add test_team_slave type team_slave - RTNETLINK answers: Operation not supported

Trying to set up teaming on a Crux Linux with a custom kernel. I have teamd and teamdctl already installed on my system, I managed to find kernel modules for teaming and successfully enabled them. ...
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Error while creating a bonding interface

I have a problem with creating a bonding interface on Debian 10.11. What I did was install ifenslave and then stop networking. I edited /etc/network/interfaces as below: #WiFi Interface auto mlan0 ...
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Two bonded 10Gb nics on an ESXi guest OS not using full bandwidth

On an ESXi guest machine, with Ubuntu 18.04 operating system, two nics connected from two difference vswitch, each of them has a separate 10Gb uplink. I made a bonded nic from these two links with ...
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How to improve TCP tolerance to out-of-order delivery in Linux balance-rr bonds and/or FreeBSD roundrobin laggs?

I have 3 servers networ kwise configured as follows A is a DELL R710 is running Linux 5.13.19-1-pve Proxmox VE 7.1 and has 4 NICs teamed in a balance-rr mode bond. B is a DELL R610 is running Linux 5....
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Combining Network Connections for Additive Speed

Edit: I've removed the errors I was receiving while starting the bond by using the teamd utility. However, my goal to increase the total speed by combining the networks is still open. Skip down to ...
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Bonding two NICs on ubuntu - each one is connected to different subnet with internet connection

I am struggling with this for over a week. I am new to the networking so I am learning everything from the start past few days. I am in need to implement seamless switch between two network interfaces....
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NIC ports going offline just by touching the cables slightly

A while ago we discovered an issue with most of our NICs in the data center - touching the cables just leads to the ports of the NICs going offline for a couple of seconds. All the NICs are Broadcom ...
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Can LACP run over Linux tunnel devices?

I'm looking for a way to know if a tunnel device is up or down without needing to use ping myself. Every single tunnel device (gre, ipip, l2tp, geneve, etc) does not have a logical mechanism to decide ...
nutbush's user avatar
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Change an active slave of Linux network bonding interface without ifenslave command

Linux supports bonding of multiple Ethernet network interfaces for extra reliability or load balancing. Bonding driver used to be configured via ifenslave command, which has been deprecated (...
Mikhail Kupchik's user avatar
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nic bonding very slow

I have 2 dl380 g9 servers which feature 2 nics with 4 ports each running debian buster. I have connected 7x 0.50m cat6e patch cables directly server-to-server and set the /etc/network/interfaces on ...
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Why I am Getting Higher than %100 Network Usage From SNMP?

I am using SNMP in Ubuntu 20.04 to get the network usage info and I am using this formula to calculate the network usage: InOctets : The difference between two poll cycles of collecting the snmp which ...
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Ethernet bond interface fails after NIC replacement

I've replaced a failing 10GbE adapter in a Dell PowerEdge server running a bonded pair of Cat6 cables to an aggregate switch. The old NIC and its replacement are both Intel Ethernet Controllers (10-...
Beady Eye T's user avatar
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Packet Loss between server-to-server Oracle Linux 7.9 bond

I have 2 Oracle Linux 7.9 physical servers, each one with a dual nic. I bonded this dual nic end attached server-to-server with 2 cables (not crossover cables). I have packet loss in average 50% ...
Fabio Martins's user avatar
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Linux 5.9 VLAN interfaces don't receive traffic unless promiscuous mode is enabled

I've just upgraded a NAS running Debian Buster to Debian Bullseye. This included a kernel upgrade from 4.19.0 to 5.9.0, and a systemd upgrade from 241 to 247.1 (the system is using systemd-networkd ...
Kevin P. Fleming's user avatar
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LACP between Netgear ProSafe GSM7248V2 and Linux server

I am trying to connect a Linux server with two 1Gbps NICs with a switch Netgear ProSafe GSM7248V2 using bonding, specifically 802.3ad mode. The results are very confusing, I would be thankful for any ...
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Bonding NIC on VM

I have an ESXi server with a DS switch configured with LACP and lag uplink with 2x10G port on the switch I'm wondering if I give 2 10G interfaces on my VM can I bond them and use that 20G uplink? I ...
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Why does my bond interface with multiq ignore tc's queue selection?

On Debian Buster, Kernel 5.4.51, I have two interfaces tap0 and tap1 joined in a bond interface in mode balance-xor to increase throughput. There is, however, some traffic that must be sent through ...
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Adding a VLAN (over bond/lacp) interface to bridge makes physical interfaces to go down

I have a working configuration of a team interface bonding two physical interfaces, with several VLANs. ens1f1 ----- |--- team0.1826 (172.18.x.y/28) |--- team0 -----|--- team0....
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Bonding 2 interfaces inside a linux network namespace

I'd like to be able to bond/aggregate 2 interfaces inside a Linux network namespace. The configuration I'm working with is the following: On the root linux net stack I have two physical ethernet ...
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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 ...
Mehdi Louala's user avatar
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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 ...
cvlo's user avatar
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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 ...
Freeman di's user avatar
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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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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 - ...
chimcentral's user avatar
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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 ...
Erik Bender's user avatar
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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 ...
RH6's user avatar
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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 ...
Ali1928's user avatar
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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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