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

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Host using Linux bond mode 1 (active/backup) connected to 2 x independent switches

I have a host using Linux bond mode 1 (active/backup) connected to 2 x independent switches. Please can someone confirm if this is possible for successful failover between NICS or do I have to ...
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network link aggregation centos7 issue

I cannot ping/connect to "Team device IP". Below are steps I took to create link aggregation on Centos7.The slave ethernet are up and i can ping successfully before .what am i missting here? # nmcli ...
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Create a top Bond (ALB) on 2 lower Bond (LACP)

Is it possible to create a BOND over a BOND? or this will cause some networking issue? Why do I need this setup? I have 2 switch that support LACP but not distributed LACP! My Server has 4 ethernet ...
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37 views

What builds /proc/net/bonding?

We're monitoring the network interfaces with Nagios/check_mk, which looks at /proc/net/bonding/bond0 to see the status of the interfaces. Unfortunately, we had an improper config and 2 NICs were in ...
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1answer
96 views

Network link saturated. How to fix?

I have a backup server installed in rack A. That rack has a Cisco WS-C3560G-48TS-S switch installed. I also have 10 proxmox servers (=linux vm host) in rack B. That rack has a HP 2810-48 switch ...
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1answer
60 views

How are we supposed to use linux bonding mode balance-rr?

I'm trying to setup 10 servers with a quad port gigabit nic using the linux bonding driver in balance-rr mode. But how is this supposed to be done? I'm not buying 10Gbe hardware now because it's too ...
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2answers
47 views

Creating several kvm bridges over tagged bond

I have the following configuration in a RHEL6.5 which works great. # ifcfg-em1_2 DEVICE=em1_2 HWADDR=C8:1F:66:D8:77:D2 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no MASTER=bond0 SLAVE=yes USERCTL=no ...
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1answer
211 views

4X10GB Bonded NIC - only producing 4-5GB throughput

I have Two HPBL685c G6 blade servers running Ubuntu 15.04 Each server has 4X10GB NIC 2x10GB NIC are connected to a single VirtualConnect 10/10G Ethernet module The other 2x10GB NIC are connected to ...
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1answer
229 views

Kickstart fails to set up multiple bonded interfaces

I’m having some trouble setting up bonded interfaces in a CentOS 6.5 kickstart script. I have 8 physical network interfaces, which want to be configured in pairs as 4 bonded network interfaces. My ...
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51 views

Network teaming Windows Server 2008 R2

I have two Windows Server 2008 R2 servers that need to share files on SAS attached logical drives over a 10G network connection. The servers have two 10G ports so I'm wondering if I can use both of ...
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47 views

Bond on top of VLANs or VLANs on Top of Bond

Both ways seem possible. What is the better approach within Linux? Better means more efficient assuming my switch doesn't know about LACP+Tagging. Thanks!
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181 views

Unable to set a bridge over bonding on Debian

I have a Debian 8 Jessie machine with two interfaces (eth0 and eth1) bonded in balance-rr mode (aka 0). It works smoothly, but when I try to set up a bridge on it, it doesn't work. My ...
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61 views

Connect multiple times to the same wifi network [closed]

Is it possible to connect multiple times (with different MAC addresses) to the same wifi network with just one network card? Is there already a tool to do this?
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75 views

IPsec, PepVPN, SpeedFusion Hot Failover and SpeedFusion Bonding (PepLink Load balancer)

I was looking for the difference between IPsec, PepVPN, SpeedFusion Hot Failover and SpeedFusion Bonding (PepLink Load balancer) but i can't find something well explained. I'll be glad if someone can ...
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407 views

Bridge on vlan on teaming for KVM

I have problem to create bridge on vlan on teaming. Why I do something like that? - Kvm needs bridge - Vlans because I need vm’s in different subnets - Teaming in option active-backup (small HA) I do ...
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83 views

Can iSCSI and Internet work on same NIC? [closed]

I have a Synology RS815+ that supports iSCSI with 4 GbE ports. I have two Mac Mini's (2014) with built-in GbE and a TB to GbE adapter. All 8 connections are tied to the same switch, with client ...
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1answer
80 views

How does NIC bonding in Linux work? [closed]

Entry in Wikipedia about NIC-bonding (active-backup): Active-backup (active-backup) Only one NIC slave in the bond is active. A different slave becomes active if, and only if, the active ...
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81 views

XenServer: run management and data over same LACP bond

I have a XenServer (open source version 6.5) machine with 6 available ethernet interfaces. Is there a way to create one single LACP bond with all interfaces and then run the management network as ...
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105 views

Debian does not shut down interface with ip link set … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...
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33 views

LACP between Foundry Fastiron and HP Procurve

I have a rack full of Procurves and need a new switch. Before jumping the gun I had a look at Foundry. I've never used a Foundry product and I have always thought of them as being high-end. There ...
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2answers
589 views

Ubuntu Linux, Bonding, and VLANS - Can I configure all interfaces to be tagged? IE: Bring up BOND0 interface without an IP Address

I have a server with multiple adapters in a bond, bond0. I am not sure (even after extensive research) how to bring up the bond0 device without an IP address. I want the VLANs to use bond0, but not ...
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102 views

KVM Aggregate Throughput Limited at 1Gb - Virtio Queues Limiting Factor?

I have a KVM host with three NICs and can't get traffic between guests (in same subnet) above 1gbps aggregate. Is this by design and the only way to achieve >1gbps to use multiqueue support? So far, ...
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1answer
170 views

Teaming two NIC: iperf shows 200MB/s downloads but only 100MB/s upload

I have: One client with two 1000Mbps NICs, teamed using round-robin method One master with a 10Gbps NIC They are connected with a Huawei 10G switch (S5700). Then I ran iperf -s on master and ...
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88 views

Dell PowerConnect Link Aggregation Failover Failed

We are a small office with two Dell PowerConnect 5548 switches that, together, cover all of our servers and hosts. I had them connected using ports 47 and 48, which I placed in a LAG. Port 47 was ...
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695 views

Bonding Centos 6.6 NICs to double bandwidth

I am configuring a hadoop cluster to prepare for our vendor to install its hadoop manager this week. The pre-installation checklist recommends that 1gb ethernet is not sufficient and that I should ...
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221 views

How do I bond eth0 to failover to wlan0 after WAN connection loss?

I would like to have my monitoring box (Zenoss) notify me when the network upstream of me goes down without an actual link loss. I have had some issues with our CoLo's switches going down, but I ...
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1answer
738 views

NIC bonding over bridged GRE-TAP: not getting replies… unless I run “tcpdump”?

I'm trying to get Linux bonding working over a VPN (GRE-TAP). The funny thing is, that it only works when I have tcpdump running on both hosts, but more on that later... There are two machines, ...
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1answer
174 views

Routing on Bonded VLANs

I've got a linux d/b server (OEL 6.4 but effectively Redhat 6 I believe) with bonded nics connecting to juniper switches. I've split the bond up into multiple vlans (bond0.11, ... bond0.18) with IP ...
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2answers
135 views

Multilayer LACP

I have a network switch that is limited to 2x1Gb/s LACP teaming, however have a file server with a 4x1Gb/s network interface. What options do I have to aggregate all available bandwidth without ...
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1answer
303 views

OEL 6.5 bonding mode=802.3ad no connection

OEL 6.5 bonding mode=802.3ad no connection I configured 2nic into bond on OEL 6.5. to cisco switch (lacp) ---------- | eth0 |=====+ +~~physical-link~~\ ---------- || --------- | ...
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1answer
506 views

High packet loss with kvm, bridge and bonding

I have 2 servers connected through cisco linksys sg500. Both hosts have identical configuration (Ubuntu 14.04 LTS, 4 * 1Gb/s network interfaces with bonding). When I set up bridge and interface ...
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121 views

Why do the Link States on my Force10 S50N LACP differ?

I was wondering if my Force10 LACP Setup is OK? Specifically, I'm looking for an explanation for the Link States, and why they differ, and wondering if the differing Link States indicates a ...
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1answer
354 views

link aggregation with wifi and ethernet on Linux

I have a computer running linux with a wifi and an ethernet interface. I'd like to set up link aggregation (at least fail-over, but other modes would be nice too) between these two so that both this ...
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1answer
334 views

Does setting MTU on logical interfaces affect physical interfaces

I've been using a combination of interface bond-, vlan- and bridge-interfaces to provide redundancy and different logical network layers to xen domU's. This setup is working well however i'm a bit ...
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43 views

Bonding connection or other techniques to improve UDP delivery

I have several VOIP servers linked by heavily loaded connections, and the voice quality gets pretty spotty at times. I have setup QoS to ensure upstream bandwidth is allocated favorably for VOIP, ...
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2answers
259 views

Can I use a server to employ link aggregation between 2 unmanaged switches [closed]

From everything I read, If I wish to use link aggregation between 2 switches, they need to be managed switches--specifically, they need to support 802.3d spec. Now that I fully understand the ...
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2answers
823 views

Why iperf still reports 1Gbps performance when using bonding over two 1Gbps adapters?

As I understand it, bonding brings among other benefits the ability to increase the network speed between two machines in a LAN. Bonding [...] means combining several network interfaces (NICs) to ...
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368 views

RHEL6: bonding NICs with DHCP reservation problems

I am using a 4 NIC bond with Bonding Mode: transmit load balancing and a port channel is configured on the switch. I have a DHCP reservation for the IP address being used for the bond. I configured ...
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180 views

Linux peer-to-peer ethernet bonding

I have two linux servers. Each have 2 ethernet ports. I connect port-to-port with straight-through ethernet cables between the 2 servers (there is no network switches involved). I want to bond the 2 ...
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1k views

FreeBSD link aggregation no faster than single link

We put a 4 port Intel I340-T4 NIC in a FreeBSD 9.3 server1 and configured it for link aggregation in LACP mode in an attempt to decrease the time it takes to mirror 8 to 16 TiB of data from a master ...
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3answers
888 views

Link aggregation in ESXi 5.5 [closed]

I have a virtual machine on my ESXi server with Ubuntu installed on it. The server has 4 1Gb/s ports that I want to use them all for my virtual machine. An obvious (yet kinda stupid) way would be ...
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1answer
449 views

Active-passive xenserver bond availibility after stacked switch failure

Citrix documentation for Xenserver recommends that when physicals NICs participating in an active-passive bond, need to be connected to different switches, the switches must be stacked.. Would the ...
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2answers
2k views

Fortigate 100d 802.3ad bonding / Link aggregation

My network is as follows: 1 x Fortigate 100d with the two WAN ports connected to: Ethernet ISP with STATIC IP configured manually (20 Mbps symmetric) via ISP A Ethernet ISP with STATIC IP ...
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1answer
586 views

VLAN configuration in linux not showing tags in tcpdump

i bonded 2 NIC and specified VLAN tag of 11 cat /etc/sysconfig/network-scripts/ifcfg-bond0.11 DEVICE=bond0.11 ONBOOT=yes VLAN=yes NM_CONTROLLED=no STP=no HOTPLUG=no also ifconfig bond0.11 ...
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242 views

storage traffic not going through Bonded interface

hi few days back i have asked a question here choosing network interface based on network purpose on my Centos server there are 4 NICs i bonded first two NICs and created bond0 with an MTU of 8600 ...
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How to use both bonding and bridge?

I have a server with two network adapters. I configured bonding and it works. Here's the working configuration: auto lo iface lo inet loopback auto eth0 iface eth0 inet manual bond-master bond0 ...
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1answer
198 views

Receive-side NIC teaming using LACP for use with NFS

I have a server with a 10G connection to a central switch. One NFS client has (2) gigabit NICS connected to the same switch. I'd like the NFS client to receive bandwidth of 2Gbps from the 10G server ...
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92 views

Aggregate two pptp connection ubuntu

I used pptp client to create two pptp VPN connection ppp0 and ppp1. I would like to aggregate these two connections (in round-robin style). I tried bonding , but it seems that it only work for two ...
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367 views

Booting a diskless Debian system using bonding, bridging, and iSCSI

I'm trying to build my personal holy grail: booting my Debian Wheezy KVM server diskless from a iSCSI target and the only configuration needed on the diskless server is the iSCSI parameters in the NIC ...
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526 views

bond interface without link on boot

After a server reboot, bond0 has not been started since one of its slave ethernets (eth2) had no link, I had to manually set it with: ip link set dev eth2 up Server has one bond to the LAN (with ...