nic-bonding

Reza Ambler Reza.Ambler at vintalk.com
Mon Jul 25 16:39:06 UTC 2011


Hey all,
I believe I fixed part of the issue by adding the follwing to my /etc/modprobe.d/bonding.conf

options bonding max_bonds=2

now both of my bond interfaces are showing up, however I cannot seem to ping out from those interfaces.

The file /proc/net/bonding/bond0 shows MII Status: down, I believe this means the link is showing down state on both ends.

So a new issue to conquer!

Reza Ambler

Systems Engineer, Vintalk

(O) 858.357.8770

(F) 858.225.1877

(E) reza at vintalk.com

(W) www.vintalk.com 


-----Original Message-----
From: Reza Ambler 
Sent: Monday, July 25, 2011 8:45 AM
To: 'Ubuntu user technical support,not for general discussions'
Subject: RE: nic-bonding

Hi Jordan,
Thanks for the response. I will post my configuration in as much detail as possible starting from the beginning. I 
First my NIC configuration/setup:
I have 2 NIC cards in my system, each is dual-port. One of the dual-port sets is on-board a supermicro motherboard, the other is added in via PciX.

1st Model : Dual Intel 82574L (on supermicro board, 6016T-MTHF)
2nd Model : EXPI9402PTBLK

My NIC devices and respective MACs
eth0/1 are part of the same controller
eth2/3 are part of the same controller

2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:1b:21:a5:3d:ee brd ff:ff:ff:ff:ff:ff

3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:1b:21:a5:3d:ef brd ff:ff:ff:ff:ff:ff

4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:25:90:31:84:7c brd ff:ff:ff:ff:ff:ff

5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:25:90:31:84:7d brd ff:ff:ff:ff:ff:ff

My /etc/modprobe.d/bonding.conf settings:
alias bond0 bonding
options bonding mode=1 miimon=100
alias netdev-bond1 bonding
options bonding mode=1 miimon=100


My /etc/networking/interfaces config:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
auto eth1
auto eth2
auto eth3

auto bond0
iface bond0 inet static
address 64.94.xxx.xxx
gateway 64.94.xxx.xxx
netmask 255.255.255.128
bond-slaves eth2 eth3
bond-mode 1

auto bond1
iface bond1 inet static
address 192.168.140.140
netmask 255.255.255.0
bond-slave eth0 eth1
bond-mode 1


Let me know if you require more information
Thanks again


Reza Ambler

Systems Engineer, Vintalk

(O) 858.357.8770

(F) 858.225.1877

(E) reza at vintalk.com

(W) www.vintalk.com 


-----Original Message-----
From: ubuntu-users-bounces at lists.ubuntu.com [mailto:ubuntu-users-bounces at lists.ubuntu.com] On Behalf Of Jordon Bedwell
Sent: Saturday, July 23, 2011 4:35 AM
To: Ubuntu user technical support,not for general discussions
Subject: Re: nic-bonding

On Fri, July 22, 2011 9:56 am, Reza Ambler wrote:
> Hello Ubuntu Users,
>
> I have just read through the Ubuntu Bonding article and was wondering if
> it's possible to have 2 sets of bonded NICs. I would like to have a WAN
> bonded set, and a LAN bonded set. Is this configuration possible? So far
> I have had 1 bond interface come up, but the 2nd one does not show.

What is your configuration? And you do know that the second team cannot be
on the same NIC's as the first team? So if you do a 2x Dual NIC team you
need 4 NIC's in that machine.


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