Questions tagged [bonding]

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Options for high-availablility, high-throughput bonding in Linux

When trying to configure high-availablity (HA) bonding in Linux that should also use the bandwidth available, I wonder what the options are: The solution should ensure HA and optimal throughput (when ...
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Console keyboard input broken due to boot messages

I've setup network bonding on a DELL PowerEdge server and after it went up the next time, the tty was shown asking for login (using iDRAC), but immediately additional boot messages about both network ...
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Networking between VM guest and host

I have a QEMU guest(ubuntu) running on ubuntu host machine. I have the following interfaces in the guest. A bonded interface bond0 that bonds eth0 and eth1 of the guest. The bond0 of guest has 2 vlans ...
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1answer
25 views

After creating a team connection with NetworkManager, on reboot disappear with strange results

I have created, on Fedora server a team connection using networkManager nmcli con add type team con-name team0 ifname team0 config /usr/share/doc/teamd/example_configs/random.conf nmcli con add type ...
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19 views

Linux vlan int creation causes a loopback error

I have encountered a problem with configuring vlan tagged linux bridges, on a Cisco small businesses switches trunk interfaces. Our environment consists of 3 servers and one switch, that handles ...
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51 views

Failed to start raised network interfaces but restarting after login works

I was trying to create a bridge connection in order to set up a VM. Before making the bridge connection I made a copy of my /etc/network. I notice that something was not working so I restored my ...
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347 views

Unable to ping other VM's on same subnet after bonding NIC's

I have set up a number of VM's in KVM on a host VM machine running Ubuntu 18.04.3 Desktop. Each machine is running on Ubuntu 18.04.3 Server and has 4 NIC's set up, where NIC 1 & 4 are reserved for ...
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21 views

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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7k views

Delete a bond interface created from /etc/network/interfaces (ifupdown)?

I made an attempt bonding two interfaces into one, created bond0, and found it unsatisfactory. I then reverted all changes made to /etc/network/interfaces and ran systemctl restart networking.service, ...
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1answer
109 views

Configuring a bridge leads to losing connection

I have a Linux server with three NIC that are connected to a switch (one NIC is the management, two NIC form a LACP bonding). In addition I need to use a VLAN (167), because the switch is configured ...
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1answer
522 views

How to Combine a Bridge with VLAN over a Bonding and Two Default Gateways

I have a Linux server with three NIC that are connected to a switch (one NIC is the management, two NIC form a LACP bonding). In addition I need to use a VLAN (167), because the switch is configured ...
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1answer
2k views

Bonding of two NIC does not work/go up

I have a Linux server with two NIC that are connected to a switch (and one NIC for management) and I want to use combine them and use LACP there, but for some unknown reason to me the bonding will ...
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1answer
243 views

FreeBSD rc.conf not adding lagg group to bridge on system start up or service restart

I am not sure what I am doing wrong here. I have the following configuration in my /etc/rc.conf on my (personal) server. cloned_interfaces="bridge0 lagg0" ifconfig_igb0="up" ifconfig_igb1="up" ...
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17 views

Currently I have two node cluster (SLES as HANA DB). I would like to check in which condition a failover will be triggered?

Below are the conditions. We could not test these because these nodes are already in production. Replication between the nodes fail. Replication is working but network link is down with no bonding. ...
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What is the difference between mode0 and mode2 in network bonding ? Why can mode0 not be added to a bridge?

I am very confused about the difference between mode0 and mode2 in network bonding. Why does mode0 conflict with bridge?
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1answer
559 views

How to make bonding using mobile broadband 4g dongles

Actually I did connect both ppp0 and ppp1 using nm-connection-editor(network connection setting). But now I wish to make a balance-rr(mode 0), and thought that bonding would do that for me. I need ...
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404 views

Bonding onboard ethernet with USB modem dongle

I have a RaspberryPi 3b+ with a raspbian OS on it. I'm trying to bond the onboard ethernet with a USB modem dongle (Huawei E3372, HiLink fw). The problem is that when ethernet cable is switched of, ...
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23 views

Networkmanager: apply property to ALL wireless connections for a particular interface

I'm trying to bond the ethernet and wifi on my laptop. A bond can be setup with nmcli con add type wifi ifname wlps3s0 master bond0 ssid $YOURSSID (see Bonding wired and wireless while using ...
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1answer
34 views

No IP4 connectivity over bond; slaves listed as “routable” instead of “enslaved”

Bond settings: root@gentooserver /etc/systemd/network # tail -n +1 * ==> bond1.netdev <== [NetDev] Name=bond1 Kind=bond [Bond] Mode=802.3ad MIIMonitorSec=1s LACPTransmitRate=fast ...
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1answer
191 views

What can I do to enable automatic switching to a backup network when there is packet loss?

If I create a connection using network bonding (using the mode active-backup), then although automatic switching to the backup network occurs if I pull out the network cable, it does not occur when ...
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1answer
465 views

In Mint 19.1, how do I bond an ethernet and a wifi adapter?

In Mint 19.1, I can see in "Network Connections" that I can bond 2 ethernet adapters. How do I bond an ethernet adapter and a wifi one without completely disabling the GUI configuration of networks? ...
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296 views

Removing eth0 from bond0 fixes Link detected no/yes issue, but why?

On a SLES12 with 4 physical NIC, having them in a bond0. eth0 shows "Link detected: no". But if I remove eth0 from the bond0 and do an "ifup eth0", it will show "Link detected: yes" and everything ...
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2k views

systemd LACP bond mess up aggregation ID for NICs

arch linux with lts kernel systemd networkd is configured to bond two NICs into LACP trunk with smart switch (DGS-1210-28). But it fails after OS startup - only one NIC is used for bond connection. ...
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142 views

Network teaming configuration

How to configure the teaming network? On our redhat machines we configured as the following the teaming network On each machine we have two links - ens1f5 and ens1f6 And we add the team0 file to ...
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64 views

Network teaming VS bonding configuration

as I am understanding we can set on Linux configuration BONDING or network teaming both approach support LAN fail over for example if on the server we have the following up link eth1 eth2 in ...
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50 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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99 views

Linux Bonding Driver Mode 0 And Fault Tolerance

I've been testing a bonded network based on Ubuntu Server 16.04 LTS. The far end of the bond is a VM also running Ubuntu Server 16.04 LTS. The two servers are tied together by two OpenVPN tunnels in ...
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47 views

ethtool config precedence on physical interface or bond?

If I have a physical interface that (for example) has large-receive-offload configured to 'off' and that interface is part of a mode4 bond group that has large-receive-offload set to 'on' which will ...
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1answer
321 views

system get wrong gateway when bonding

I have a physical system with Centos 6 as OS. In eth0 I set IP, gateway and netmask as below and the physical port is attached to a switch port that its VLAN is 12. DEVICE=eth0 TYPE=Ethernet ...
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1answer
834 views

I'd like to setup a bond0 interface using 2 eth devices in CentOS 7 in VirtualBox?

I would like to set up a CentOS 7.x VM inside of VirtualBox so I can experiment with bonding interfaces. How can I set up this VM so that it has the following interfaces: eth1 (private network - 192....
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2answers
2k views

How set up link aggregation (bonding) in linux mint 19

I am using network-manager. I tried bonding my two wired connections eth0 and usb0, using GUI similar to nm-connection-editor (eth0 is connected to my router and usb0 is connected to cellphone). I can ...
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1answer
475 views

Is it possible to increase Ceph throughput with multi-port NICs without LACP?

My Ceph cluster consists of 3 rather old servers storage servers, and a Netgear GS724Tv1, which does not appear to support LACP. I have already set up a separate cluster network and public network, ...
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2answers
4k views

Link Aggregation (Bonding) for bandwidth does not work when Link Aggregation Groups (LAG) set on smart switch

My question is: why does setting Link Aggregation Groups on the smart switch lower the bandwidth between two machines? I have finally achieved higher throughput (bandwidth) between two machines (...
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1answer
6k views

Linux bond with VLAN question

Do you think following configuration make sense? Does BONDTING_OPT supported in VLAN interface? I want to make sure my interface fails over when the upstream device down. ifcfg-bond0 $ cat /etc/...
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1answer
122 views

what is the advantage to configure the network ETH with UUID?

what is the advantage to configure the network with UUID? uuidgen eno093736 1b64d026-c6a6-447c-85aa-40c5d2db2c4e for example we want to configure BOND under /etc/sysconfig/network-script what is ...
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1answer
961 views

MTU setting on VLAN on bonded interface

Current set up is: em2 ---\ / --- bond0.12 \ / \ / -bond0- --- bond0.13 / \ / \ em2 ---/ \ --- bond0.14 ...
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1answer
1k views

Bonding of virtual network interfaces

Is it possible to bond virtual network interfaces? If yes, how? Bonding of physical interfaces is explained here for example: https://wiki.linuxfoundation.org/networking/bonding My situation is this:...
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96 views

Using two IP connections in parallel for resilient delivery

I have a mobile Linux server with two LTE connections to the internet, via different providers. The mobile server also acts as a router for other devices, currently using masquerading on just a ...
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2answers
4k views

How to test bond interface in active/backup mode

I have a linux machine with with 2 physical network interfaces eth0 and eth1. There is a fault-tolerance (active-backup) bond created over these two interfaces. The bond0 has assigned IP address. eth0 ...
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1answer
25 views

Having trouble understanding which IP to allocate to bond0? [closed]

I am having trouble understanding which IP to allocate to bond0 while performing NIC bonding.
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778 views

Linux bonding failover issue between two cisco switch

I have above scenario where server has bond0 interface connected to SW1 and SW2 relevant interface of server, last night somehow SW1 got rebooted and server lost eth0 connectivity but it didn't ...
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1answer
829 views

How can config bond interface down after slave interfaces has been down

I'm using Redhat 7. I tried to use bond interface but I've run into a problem. After all slave interfaces are down, bond interface is still up. Example: I have bond0 and 2 slaves for bond0: eth0, ...
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0answers
1k views

Bond eth0 and LTE Modem

My goal is to create a redundant internet connection. I have a USB-LTE Modem and a wired connection. I work on ubuntu 16.04. I can use both on their own but I want to combine them together to create ...
2
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1answer
128 views

Fault-tolerant Wifi-LTE system, force WiFi and LTE interfaces to use same IP

In my setup I have 2 different interfaces, one for WiFi and another for 4G/LTE. Both are USB dongles. I'm using Ubuntu 16.04 at the moment, but that can change. In my problem I need to mantain an IP ...
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0answers
168 views

In bonding, do I adjust settings (e.g. number/size of RX queues) directly on master bond interface or on slave eth interfaces?

Say that I have following bond configuration: auto eth0 iface eth0 inet manual bond-master bond0 auto eth1 iface eth1 inet manual bond-master bond0 auto bond0 iface bond0 inet static address ...
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1answer
2k views

ifdown bond0:0 takes down bond0 with it?

I set up an interface alias on my bond0 interface with this file /etc/sysconfig/network-scripts/ifcfg-bond0:0 containing this DEVICE=bond0:0 IPADDR=10.2.3.60 BOOTPROTO=static ONBOOT=yes NETMASK=255....
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2answers
1k views

CentOS bond or eth interface should have firewall rule?

There is a bond0 bond device. It consists about eth0 and eth1. Only bond0 interface has an IP address. Q: Which interface should have the iptables firewall rules (layer3)? Only bond0 or all 3 or ...
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1answer
694 views

bonding between wifi and eth

I would like to bond an eth interface with a wifi one, as a failover when I need to go free of cable (particularly at home). (This is on Debian testing) But then, trouble is, how to set the wifi ...
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2answers
5k views

Configure Bonding with DHCP

I'm trying to use bonding in active-passive mode, with 2 ethernet interfaces. I'd like the system to be always connected to the network, while there is at least one cable connected. I must be able to ...
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497 views

CentOS 7 teamed bridge network only works on single NIC

I've been trying for several days to get my server NICs teamed, and then bridged to be used on a virtualization box (KVM). I've managed to get it on the network and at least pinging google, however, ...