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Questions tagged [lacp]

LACP, or Link Aggregation Control Protocol, is a standard defined by IEEE 802.3ad for bundling or bonding multiple physical network ports together into one virtual device. This provides both high availability and load balancing. Participants in an LACP aggregation actively communicate with each other using LACPDUs every 1 second or 30 second to maintain knowledge of the bond configuration.

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How do I test the increased bandwidth after setting up LACP?

I have setup LACP, and LAG on our Netgear Switches (GS724T). I have bound(?) two ports together to create one 2Gbps connection between two of the switches. I was wondering if there is a way of testing the increased bandwidth? I know it's setup…
dannymcc
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systemd doesn't unmount NFS shares before stopping network

Context : RHEL 7.2 up to day as for October 2016 Physical system NetworkManager disabled Network configured through the teaming of 2x10G NICs (eth0 & eth1) as lacp0 (irrelevant) IP addresses are configured on VLAN subinterfaces lacp0.XXX and…
mveroone
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LACP NFS performance confusion

Background Info: So I have an Ubuntu 14.04 server (1 gigabit nic) and a NAS (Synology DS1815+, 4 gigabit nics). I am maxing out the gigabit line between by Ubuntu 14.04 server and my network regularly. Most but not all of that traffic is to the NAS.…
Alec Fenichel
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LACP vs 802.3ad

I’m looking to create an aggregation on a Solaris box using dladm. I understand that once the aggregation is created, 802.3ad will be used to balance the load depending on the policy (L2, L3 or L4). The only requirements are that the interfaces are…
Chimpsky
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VM transfer speed between XCP-ng (XEN) servers

I have two HP DL380 G8 servers with 4x 1TB on HP p420 RAID controllers in RAID 1+0 setup. Eth0s are connected to the router, and Eth3&Eth4s are bonded (LACP) and connected directly between machines. If I run #!/bin/bash clear echo 'Starting disk…
Sakvojage
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Do you trust LACP?

Are there any reasons why I should not rely on LACP when designing network topology? I exactly mean L2 switch to hypervisor connection, so it is the place where agregated traffic of VMs cumulates. We are talking about 5 x 1 GbE LACP bonding. I am in…
Andy Coarse
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High availability links on VMware ESXi

I have a cluster of 3 VMware ESXi6.0 hosts which are not licensed for VMware Distributed Switch. Currently, these hosts are configured with a static LAG between 2 ports on the server and a port each on a pair of Cisco Nexus 9372PX switches joined…
Daniel Arkley
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What happens to active TCP sessions when the active slave fails in a Linux bond (failove or LACP)?

Given an active-backup (mode 3) or 802.3ad (mode 4) type bond, when the active slave fails, is there any seamless failover for those TCP/IP connections that were active prior to and at the time of the failure? Given server A which has active TCP…
adtgdc
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Is is possible to put a tagged vlan on one physical interface on a Force10 S50N switch?

I servers that have a shared ethernet port for IPMI and the first NIC. They have 4-1GbE nics. I would like to bond the nics via LACP while still being able to access the IPMI over a tagged vlan only on the first physical port since the IPMI is only…
Wren T.
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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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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?
Hessnov
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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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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…
user219031
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Debian LACP Bond eth0 Churning state

I have setup a LACP Bond on 2 x 1Gbps connections on a HP server running Debian 8.x, previously done this configuration on CentOS 7.x with no issues at all. The issue I am facing is eth0 a minute after the OS booting goes into a churned state, once…
Ashley Merrick
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