"bonding" is the Linux-term for link aggregation.
0
votes
0answers
26 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 ...
1
vote
1answer
63 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 ...
0
votes
0answers
12 views
nortels switch and bonding interfaces (ifenslave)
I have an host with 2 NIC connected to two switches(nortels) and these switches are connected to the same nortel 5530 with 2 different MLT (Nortel proprietary trunking protocol).
I want to perform ...
-1
votes
0answers
27 views
bonding virtual tap interfaces between two systems or vms [closed]
I need help creating two tap interfaces and bonding these interfaces. I need to send a tcp stream to tap interface and to my user space program like ns-3, which is used as a channel between two ...
1
vote
1answer
102 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 ...
0
votes
0answers
50 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: ...
0
votes
1answer
55 views
Bonding Linux - How to understand modes 2 and 4? [closed]
I would like to understand how bonding mode 2 (balance XOR) works!
The Option xmit_hash_policy layer2 (default option):
layer2
Uses XOR of hardware MAC addresses to generate the
hash. The ...
0
votes
1answer
34 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, ...
2
votes
1answer
43 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 ...
0
votes
2answers
108 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 ...
1
vote
1answer
158 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 ...
12
votes
4answers
346 views
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 ...
1
vote
1answer
68 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 ...
0
votes
1answer
55 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 ...
2
votes
2answers
304 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 ...
1
vote
0answers
181 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 ...
2
votes
1answer
134 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 ...
2
votes
2answers
362 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 ...
1
vote
2answers
108 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 ...
2
votes
2answers
401 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 ...
0
votes
0answers
154 views
Unexpected behaviour of bonding when restarting network service
I've configured a bonding on my RHEL 6.3 64bit (Kernel 2.6.32-279.19.1.el6.x86_64) like this (of course i replaced X/Y with numbers):
cat ifcfg-bondX:
DEVICE=bondX
IPADDR=192.168.1.2
...
0
votes
2answers
172 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 ...
-3
votes
2answers
93 views
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 ?
0
votes
1answer
223 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 ...
0
votes
0answers
42 views
server with bonded NIC connected to wireless bridge causes network connectivity issues
I've have a wireless bridge (tew640mb) that connects to a wireless router. If I connect a machine with one NIC into a port on the bridge, the network connection is fine. If I connect a machine (with ...
1
vote
1answer
94 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 ...
1
vote
0answers
212 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 ...
-1
votes
1answer
174 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 ...
1
vote
2answers
266 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 ...
3
votes
3answers
3k 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 ...
0
votes
3answers
176 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 ...
0
votes
3answers
195 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 ...
0
votes
1answer
157 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 ...
1
vote
0answers
355 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 ...
3
votes
2answers
1k 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 ...
1
vote
2answers
205 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 ...
-1
votes
2answers
203 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 ...
1
vote
1answer
451 views
How do I keep a bridge enabled on a bonded interface?
I'm working on setting up a pair of CentOS 6.3 servers that will run a couple of KVM vms and have come across a problem setting up a bridge on a bond.
I am using Mode 4 (802.3ad) bonding on a pair ...
1
vote
1answer
519 views
Network interface bonding, can the slave interfaces also be assigned ip addresses?
I currently have 2 gbit network interfaces bonded as bond0. Is it possible to also have the slave interfaces eth0 and eth1 assigned ip addresses and have traffic routed directly out either one like ...
3
votes
4answers
2k views
Link bonding across multiple switches?
I've read up a little bit on bonding nics with ifenslave; what I'm having trouble understanding is whether there is special configuration needed in order to split the bonds across two switches. For ...
7
votes
4answers
959 views
Multi-WAN bonding across different media
I've recently been thinking again about a product that Viprinet
provide, basically they've got a pair of routers, one that lives in a
datacentre, Their VPN Multichannel Hub and the on-site hardware, ...
1
vote
1answer
198 views
Ubuntu Only Utilizes One Link in 802.3ad
I am currently using an Intel PRO/1000 PT LP Quad Port Server NIC with Ubuntu 12.04 LTS Server 64 Bit. I installed Gnome so I have a GUI.
I downloaded bmon 2.0.1 to monitor the network, and right now ...
1
vote
0answers
277 views
Intel PRO/1000 PT LP Jumbo Frames in Ubuntu 12.04 LTS
I am having issues getting jumbo frames enabled in Ubuntu using an Intel PRO/1000 PT LP NIC with two bonded 1Gb lines.
Following the readme that comes with the Linux driver, Ubuntu will not allow me ...
3
votes
1answer
620 views
LACP Throughput Issues
I have been struggling with an LACP implementation for a while now, and the number of variables has really been getting overwhelming.
Right now the setup I have is two hosts running 2008R2, each of ...
3
votes
2answers
960 views
Increase data transfer speed through bonding/lacp?
I want to maximize the throughput of a data transfer between two servers. The copy will be made at the application layer using Robocopy.
To clear things up, please check my Visio schema of the ...
0
votes
0answers
118 views
Real DROP while reconfiguring iptables
I got a quite complicated firewall (8 segments) and sometimes I need to reload rules and add some new vlans. I'd like to quiet the traffic for few seconds while new rules are loaded. I.e. I want all ...
2
votes
1answer
610 views
Linux bond mode 4 (802.3ad) - 2 switch - 4 NIC
I know that you can use bonding mode 4 with 1 servers with 2 nic using 2 switch.
Bond 0 made of :
Nic 1 port 1 -> switch A
Nic 2 port 1 -> switch B
In this case I can loose a switch or a nic or a ...
0
votes
3answers
4k views
Linux bonding: 802.3ad (LACP) vs. balance-alb mode
Here's the situation. I would like to connect my Linux servers to a single network using dual link for fault tolerance and load balancing reasons. The servers have 2 or more 1-gig NICs and I plan to ...
6
votes
1answer
1k views
Is bonding mode=5 a solution against MAC flapping?
There is two are interconnected Cisco WS-2950T.
By the one GBIC port on first switch connected a first NIC of bonding interface, and by the one GBIC port on second switch connected a second NIC of ...
1
vote
2answers
636 views
Linux bonded Interfaces hanging periodically
I've several hosts that are showing problems with connectivity. When working from the command line, for example, typing is frozen for a second or so, then recovers - then it does it again.
The most ...
