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

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How to bond NIC on a virtual machine?

I'm puzzled about this process. Historically when I've setup an LACP bond on a piece of physical hardware I have to create the analogous setup on the switch. How does this work with a virtual machine ...
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115 views

bonding of bond interface in ubuntu 13.04

Is it possible to bonding of bond interface? I have two NIC bonded as bond0 (balance mode) and two other NIC bonded as bond1 (balance mode). I want to create bond2 (active back-up mode) by using ...
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1answer
110 views

Are balance-xor and 802.3ad modes of Bonding meant to provide per-flow balancing?

The title says it all :) Well we have 2 links, one is 1MB (CIR/ dedicated), the other is 12MB (shared). 12MB one is not at all reliable too.. So what I want is to not lose my packets into the ...
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1answer
67 views

Write operation is happening from 1 Gigabit port instead of 10 Gigabit port in NetGear switch and its random [closed]

We have a Synology system which is connected with NetGear switch. We passed 2, 10 gigabit cables from synology to switch. We connected HP server with switch with 2, 10 gigabit port. We connected one ...
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1answer
989 views

Fibre Channel Link Aggregation

quick question. Is there a Port-Channel/EtherChannel Link Aggregation equivalent for Fibre Channel? Is it possible to aggregate FC Links for High Availability? For instance if I have two Fabrics and I ...
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1answer
290 views

Solaris 10: IPMP setup with zone and defrouter

I'm a bit desesparated by some kind of "bugs" we recently faced. We are using Solaris 10 on SPARC platform (T4-4) to run zones. Obviously, we do IPMP for safety. Some of those zones are legacy, so ...
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2answers
449 views

server bonding interface configuration

(the same question was asked on http://unix.stackexchange.com) We are facing some problem with configuration of servers: There are 2 servers, each one contain 2 NICs which are in bond. Each server is ...
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1answer
681 views

Choosing bonding mode between RHEL server and two separate switches

I have one RHEL 6 server with two NIC ports (each Port is connected to different switch). I need to create bonded interface from those two physical ports. Which bonding mode should I use? I don't ...
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2answers
1k views

Broadcom Advanced Control Suite 4 on a PowerConnect 2848 making router (ASA5505) throw ARP errors when TEAMING (different MAC addresses from same IP)

For some reason the Broadcom Advanced Control Suite 4 seems to be a little buggy OR I have not configured something correctly. I have 4 Gb NICs and I team 3 of them to make a virtual adaptor... ...
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2answers
385 views

How to 'bridge' the newly bonded NIC?

I bonded eth0, eth1, eth2 and eth3 of my server to create a single bond0 interface using the ifenslave package. Now I wish to create multiple Virtual machines on this server in order to set-up a ...
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2answers
932 views

Stacking and LAGing 4x PowerConnect 8024F's

We are constructing a new networking infrastructure to replace out 1GbE backbone and have decided upon using 4x Dell PowerConnect 8024F's as our "core" switches. As per the diagram below we have 2x ...
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2answers
7k views

Linux Centos6 adapter bonding - Cisco 2960S EtherChannel LACP

I want to connect a CentOS 6.4 Linux Box with two NICs to a Cisco 2960S using LACP 802.3ad port aggregation. This mainly for redundancy reasons (and hopefully more bandwith). We don't use VLAN ...
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3answers
7k views

RHEL 6.4: Mode 1 channel bonding not failing over

I'm running RHEL 6.4, kernel-2.6.32-358.el6.i686, on an HP ML 350 G5 with two onboard Broadcom NetXtreme II BCM5708 1000Base-T NICs. My goal is to channel bond the two interfaces into a mode=1 ...
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1answer
352 views

How to achieve gigabit speeds with Ubuntu using bonding?

I'm working with the bonding driver on Linux (Ubuntu 12.04.2 LTS). I have 2 PCs with 2 NICs (gigabit ethernet - Intel 82574L) in each one (in total, 4 NICs). I want to improve my TCP throughput over ...
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349 views

NIC teaming and vlan support in linux

Doeas anyone has idea about vlan support in linux with NIC teaming/bonding.In case of a switch I am not able to communicate however if I remove multiple vlan interfaces from NIC , I am able to ...
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161 views

bonding - balance-tlb and a mysterious ethernet packet with lots of 00:00:00

Whilst attempting to get bonding working with mode=5 (balance-tlb) it seems that the driver sends an ethernet packet with length 0x0060 and the data, payload is all zeros. I can't work out where this ...
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3answers
1k views

Poor Bonding performance over 2 bonded vpn channels

I have two Linux machines that I wish to connect via a bonded link. One machine has two UMTS modems (DN:5mbit UL:1.2mbit) as its gateways, and the other machine has optical fiber (DL:100Mbit UL: ...
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1answer
155 views

Layer 2 Load-Balancing on redundant Architecture

Some PCs with 2 NICs are bound on 2 Switches in order to avoid a Single-Point-of-Failure (the switches are interconnected to each other too). Under which cirumstances is it possible that the PCs can ...
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1answer
206 views

Bond0 Failover when link light stays up: High Availability Network

Configuration: Two switches, each with a separate internet route Centos servers with eth0 and eth1 bonded as an active-backup on bond0, eth0 in on switch and eth1 in the other /etc/modprobe.conf ...
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1answer
1k views

Bonding linux - How to select mac address using mode 2 (balance-xor)

A few days ago, I wrote a question here, but that question was ambiguous. So, I will try rewrite the question, explaining all details. My previous message (closed message): http://goo.gl/aJqQ2 What ...
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1answer
494 views

Broadcom NetXtreme II GigE Teaming Does Not Use Unique MAC, Causing Collisions

I currently have a new Dell server on my local (inside) network that I have setup to use three of the four nics to create a team. Examples below. NIC_1 - mac: 000000000001 - ip: n/a NIC_2 - mac: ...
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89 views

Aggregate switch ports to go through different iptables servers acting as firewalls?

Scenario: One internet connection with the need to firewall a very high number of pps, without having to invest in expensive hardware firewalls. I do not have a specific number of pps to aim after, ...
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1answer
96 views

802.3ad over Multiple Bridged APs?

I have a client who wants to find a cheap way to get a gigabit link (or so) between two buildings that are within stable wireless range of each other. And he asked me if I knew of a way to do it. I ...
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896 views

Two Bonded Gigabyte NICs are limited to 100Mb

I have two bonded Gigabyte NICs on a CentOS 6 server, the ethtool shows the speed is 1000Mb/s, but when I do the speed test from a PC to this server on the same subnet, the transfer speed is less than ...
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2k views

NIC Bonding works but can't ping

I have bonded two NICs(Intel I-350) on CentOS 6.4. The configuration looks fine, but I am not able to ping any host and switch in its subnet. ===Bond0 status=== cat /proc/net/bonding/bond0 Ethernet ...
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How to identify NICs that are connected to the same switch from a Linux box?

Initial Setup As a Linux administrator you have installed a fresh Linux box with 6 NICs eth0 to eth5. The eth0 interface is correctly configured and all other interfaces are currently up but without ...
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1answer
379 views

Firewall: Can I use WAN load balancing to emulate link aggregation?

I have a Sonicwall NSA 3500 I'm configuring. It supports 1.5 Gbit of state-full traffic, but a single WAN port only supports 1 Gbit of traffic. The NSA series firewalls don't support link ...
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1answer
92 views

Bonding - 2 Devices failed

i have a Linux Server - Setup with Proxmox 2.3 (ISO-Installer). I tried to update the Installation and so i got a Problem because I have to Links and must configure a bond. I have the Information ...
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218 views

multiple isp links on a HWIC-4ESW

First, I am not doing fail-over. I want to be able to add another ISP link using a HWIC-4ESW. Equipment: Cisco 3825(1GB ram, 2GB flash, IOS 15.4 Advanced Enterprise services) with HWIC-4ESW ...
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2answers
3k views

Bonding not working properly (CentOS 5.4, Intel 10G, 802.3ad)

We've configured network bonding using a Intel Network Adapter X540 with two ports. Both ports are connected to a Brocade switch with a configured LACP trunk. Everthing seems to work fine; but when we ...
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456 views

Linux NIC bonding failure; strange CPU load

Note: An update as been added below I'm having a very strange issue with a Linux server (Debian 6.0.6) using 802.3ad NIC bonding. Occasionally all of the NICs in the bond get marked as down and the ...
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1answer
321 views

Ethernet Adapter Bonding on Ubuntu 10.04 Issues

I have a few machines using which I am building a cluster. To improve performance we choose to use bonding on the Ethernet interfaces ( Each link is 1Gig). I have installed the ifenslave-2.6 module ...
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2answers
831 views

Setting up Hyper-V Server 2012 with active/active failover

I want to set up Hyper-V server according to the following: I want the Hyper-V server to, if both interfaces are up, to use the NIC connected to Switch A for storage traffic, and the NIC connected ...
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2answers
393 views

Creating two Active/Standby bonded interfaces (mode 1) with different gateways

I have a server that has (4) physical port (let's call them eth0 to eth3). What I would like to do is have two separate bonded interfaces (bond0 and bond1) that aggregate eth0,1 and eth2,3 resp. Can ...
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3answers
5k views

Network bonding mode 802.3ad on Ubuntu 12.04 and a Cisco Switch

I am trying to team 3 network cards together on 2 servers. I am trying to achieve a maximum throughput of 3Gbps to replicate data between the servers. The setup is simple, I have 2 servers with 3 ...
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3answers
747 views

Using NFS-root with bonded interfaces

I would like to configure our servers to boot with an NFS-root with two bonded interfaces. I managed to successfully set up the NFS-root with one network interface using a NFS-root enabled initrd ...
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Is Teaming with one Network Card possible? [closed]

If my Network Card has 4 ports can I do teaming (LBFO) ? Or I need to have two Network Cards ?
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1answer
627 views

Does Bonding mode 0 works on Cisco SG100 and achieve 2GB speed for NFS?

I am planing to buy a switcher to link 2 servers each with 2 NICs (Intel Corporation I350 Gigabit Network Connection). I read that "balance-rr is the only mode were one single TCP connection can ...
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1answer
149 views

Physically isolated networks versus link aggregation + VLANs

When setting up internal cloud, the recommended best practice seems to be to isolate data traffic from management traffic by using separate L2 networks. For example, see the diagram in the OpenStack ...
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322 views

Ubuntu 12.1 Desktop and network cards bonding correct configuration

I have a computer with two network cards. From what I understand, I can use bonding to achieve greater throughput, so I followed this tutorial: https://help.ubuntu.com/community/UbuntuBonding Till ...
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1answer
426 views

link aggregation in esxi5 + aggregation on the switch + freebsd9 = an aggregated link that do not work

i have a 6 port intel server nic. under the settings on ESXi5, i aggregated 4 of the ports. i have ZFSGuru running on the VM, which is based off of FreeBSD 9, iirc. this VM has two interfaces, an ...
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2answers
1k views

How can I team or balance two DSL connections? [duplicate]

Possible Duplicate: Is there a sensible way of ‘teaming’ two ADSL connections? WARNING: I am NOT a networking professional (obviously, see below) but I am a programmer and have a decent ...
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3answers
12k views

What are the differences between channel bonding modes in Linux?

Under Linux you can combine multiple network interfaces into a "bonded" network interface to provide failover. But there are several modes, some of which do not require switch support. I'm not ...
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2k views

What are differences between balance-rr and 802.3ad?

I know bonding modes, I know about balance-rr and 802.3ad. Both provide fault tolerance and some how increase the link throughput. My question is when we can use balance-rr without any need to switch ...
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3answers
547 views

Bonding: works only for download

I would like to install bonding with 4 links with mode 4. but only "download/receiving" works with bondig. for transmitting the system chooses one link. ifconfig bond0 Link encap:Ethernet ...
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1answer
455 views

MAC address allocation for channel-bonded interface

I've configured Channel-bonding (on RHEL/CentOS) with with balance-alb (mode=6) option: BONDING_OPTS="mode=balance-alb miimon=100 updelay=200 downdelay=200" which is working fine and according to ...
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746 views

NIC Teaming , Multi-Homed, Active/Passive

I'm fairly new to NIC Teaming.. So I apologize if I’m not making any sense while describing this. I’ve, of course, set up plenty of simple Active/Active NIC teams for our servers without any issues ...
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2answers
3k views

Fault Tolerance with 2 HP ProCurve 2824 Switches

Looking for some advice on our current situation. We have a full rack at a data center that contains 1 uplink to the data center distribution layer switch (we don't control this), 2 HP ProCurve 2824's ...
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2answers
594 views

bonding NICs w/o switch

(This may not be possible, but I thought I'd ask just in case it is, as it will save a considerable amount of cash.) I'm building cluster of sorts that has one shared storage unit and two computing ...
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476 views

Is it possible to boost my server's LAN bandwidth with two Ethernet ports?

Is it possible to boost my server's LAN bandwidth with two Ethernet ports? I have two Ethernet ports on my Dell PowerEdge SC1435 and I routed both eth0 and eth1 to my router, but for some reason I'm ...