Comments on: Linux bond or team multiple network interfaces (NIC) into single interface

By: Novajoseph

Novajoseph — Fri, 05 Mar 2010 12:22:43 +0000

Hi nixcraft ,

u metioned above limited only by the number of network interfaces (NIC) Linux supports and/or the number of network cards you can place in your system

I have dought . . How many nw interface Redhat linux support and can bonding two bonding (bond0 ,bond1) …

i have 4 * 1 Gb in one PCI Xpress .How can i bond it..

By: Novajoseph

Novajoseph — Fri, 05 Mar 2010 10:06:44 +0000

Hi Seno,

u metioned above limited only by the number of network interfaces (NIC) Linux supports and/or the number of network cards you can place in your system

I have dought . . How many nw interface Redhat linux support and can bonding two bonding (bond0 ,bond1) …

i have 4 * 1 Gb in one PCI Xpress .How can i bond it..

By: ap

ap — Mon, 25 Jan 2010 23:09:07 +0000

Hello, I have few question
last week I playing with bonding.
At work I making file server, this is ubuntu server box with 2 nic’s also we have windows 7 clients with 2 nic as well & finally cisco switch 4500. Becourse we work with huge files, network speed is our main headache, so I try to aggregate network interface. I done it, but speed stay the same. I can utilize only 1 Gb connection (110 Mb /sec), but I want more!
Trying different conf, result the same. Even I make connection between win boxes without 802.3 ab cant have more than 110 Mb/sec. Now I think may be it is cisco misconfiguration?

Please tell me if some one got multiply speed bandwidth ?

By: jacopo

jacopo — Tue, 12 Jan 2010 14:27:38 +0000

Leave a comment… Well, this is more a question because I try to understand how to place
my actual IP address when I am using a client’s TOR network…

By: satya

satya — Mon, 28 Sep 2009 23:53:11 +0000

Thanks a lot fabrice,

we are also facing exactly the same proble(multiple bonding in rhel 4.7).
Let me try with the solution provided by you,and will update the comments.

Cheers,
satya

By: Deiveegan

Deiveegan — Thu, 27 Aug 2009 04:11:18 +0000

Hello sir,
here we are using 3 squid (proxy )in Redhat 4 and sharing internet for 1) for wifi 2) for Lan and 3) for staff … if one squid dead that people are suffering ..if there is any load balancing server for squid ..how share there load if one squid dead…

Thanking you
Deiveegan.S
SASTRA University
Thanjavur-Tamilnadu-India

By: fabrice

fabrice — Fri, 21 Aug 2009 07:36:33 +0000

In my case I wasn’t able to start a second bonding interface on a RHEL4.
bond0 : eth2 and eth3
bond1 : eth4 and eth5

Error message was :
“Bringing up interface bond1: bonding device bond1 does not seem to be present, delaying initialization.”

after 2 days of google and test i found a working configuration. My problem was in the modprobe.conf configuration file.

Here are the bonding configuration in the modprobe.conf working for me :

# allow 2 bounding interfaces
options bonding max_bonds=2

# bond0
install bond0 /sbin/modprobe -a eth2 eth3 && /sbin/modprobe bonding
alias bond0 bonding
options bond0 mode=x,miimon=100,primary=eth2,etc.

# bond1
install bond1 /sbin/modprobe -a eth4 eth5 && /sbin/modprobe bonding
alias bond1 bonding
options bond1 mode=x,miimon=100,primary=eth4,etc.

Hop it will help someone.

Fabrice

By: simon

simon — Wed, 05 Aug 2009 15:50:45 +0000

Been searching for the answer to loptos above and thought I’d leave it here.

To find which interface is active have a look in /proc/net/bonding/bond0 (mentioned earlier).

To change which is active have a look at the ifenslave command and try something like this:
ifenslave -c bond0 eth1

By: loptos

loptos — Wed, 24 Jun 2009 14:00:33 +0000

Is there any command, which would swith the active interface in the bond?
Example: bond0 consists of eth0 and eth1
now eth1 is active
enter command
now eth0 is active
Also I’m searching for command, which would check, which interface in bond is active.
(Suse linux)
Thanks, Peter

By: Mike Roberts

Mike Roberts — Wed, 20 May 2009 19:22:30 +0000

I am currently having issues with bonding on a RHEL 5 machine. I have the bonding setup correctly and when I run the ifconfig command it looks to be up, however when I attempt to ping this machine from another computer I get no response. However, if I start a ping from the RHEL 5 comptuer and then attempt to ping from another computer it responds. Any insight would be greatly appreciated.

FYI, I am using “active-backup” mode.

By: Eldo

Eldo — Thu, 14 May 2009 07:29:11 +0000

Hi,

I try to configure bond interface in VMWARE with 4 ethernet cards, I follow the steps mentioned above. The problem is only bond interface have ip, there is no ip for eth0,eth1,eth2,eth3. I tried this in RHEL 5.1

By: Dima

Dima — Tue, 12 May 2009 07:28:58 +0000

Thanks for great article! ;)

By: shay

shay — Wed, 06 May 2009 13:18:13 +0000

options bond0 mode=balance-alb miimon=100
should be
options bonding mode=balance-alb miimon=100

By: kawaii avon

kawaii avon — Fri, 03 Apr 2009 07:23:59 +0000

how come that u set the mode in balance-alb yet when you type ifconfig, the configuration shows round robin mode..?

By: Elena

Elena — Tue, 03 Mar 2009 06:41:09 +0000

I have a bond created. But if I bring both interfaces down, and then back up, they are not making link up; they appear as down.. They will only come up if I bring up the whole bond. Where can be the problem?

By: TJ

TJ — Sun, 01 Mar 2009 16:32:51 +0000

Hi,

How do I connect the slave interface eth0, eth1 to the LAN switch, both interfaces need to connect or just only one ? …

If both eth0 and eth1 are connected, does the LAN switch select one higher priority than other ?

Thanks
TJ

By: Linux-student

Linux-student — Tue, 24 Feb 2009 06:23:23 +0000

i m using linux fedora 9.0 with squid proxy server for my internet cafe. I have two broadband connections. The setting of external interfaces(broadband) are following

1) Bandwidth – 2 Mb uplink
10.254.55.16 ip
255.255.252.0 mask
10.254.55.1 gateay

2)Bandwidth – 3 Mb uplink
10.254.22.45 ip
255.255.252.0 mask
192.168.22.1 gateway

3)
LAN IP
192.168.1.2
255.255.255.0
192.168.1.1

What I need to get traffic load balancing. Could you Please advice me.

thank in advance
KA

By: nima

nima — Sat, 21 Feb 2009 06:44:58 +0000

Hi
I have 2 links (5Mb and 2Mb) from 2 ISP, Does this solution give traffic load balancing possibility as if I have 7Mb bandwidth ?
thanks for your any help

By: LinuxStudent

LinuxStudent — Tue, 10 Feb 2009 17:15:47 +0000

Hey Man,

Solid info provided with minimum efforts…..

By: vijay

vijay — Thu, 29 Jan 2009 13:43:56 +0000

i want to install inbuilt squid proxy in fedora server 9 pls guide me step by step configuration

i am using tata broadband

with regards
vijay