nic-bonding

[Fast Fish]

On Tue, Jul 26, 2011 at 8:22 AM, Tom H <tomh0665 at gmail.com> wrote:
> 2011/7/25 Reza Ambler <Reza.Ambler at vintalk.com>:
>>
>> 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:
>>
>> auto lo
>> iface lo inet loopback
>>
>> 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
>
> You can have "bond-miimon 100" in "/etc/network/interfaces" rather
> than "options bonding mode=1 miimon=100" in
> "/etc/modprobe.d/bonding.conf".
>
> Why do you have "alias netdev-bond1 bonding" in
> "/etc/modprobe.d/bonding.conf" rather than "alias bond1 bonding"?
>
> You need "options bonding max_bonds=2" in
> "/etc/modprobe.d/bonding.conf" because it defaults to "1".
>
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You need to have a switch that can bond too.