Re: link aggregation - bundling 2 lagg interfaces together
- From: Freddie Cash <fjwcash@xxxxxxxxx>
- Date: Fri, 4 Feb 2011 07:55:57 -0800
On Fri, Feb 4, 2011 at 4:13 AM, Damien Fleuriot <ml@xxxxx> wrote:
I have a firewall with 2x Intel pro dual port cards.
On Intel A , port 1 goes to switch 1, port 2 goes to switch 2
On Intel B , port 1 goes to switch 1, port 2 goes to switch 2
I have created the following 2 lagg devices using LACP:
lagg0 = A1 + B1
lagg1 = A2 + B2
This works fine.
Now, what I had in mind was creating a lagg2 device using lagg0 and
lagg1 with failover.
That would provide redundancy in case of a switch failure.
Couple different options:
- create a single lagg0 device using all port NIC ports
- create your lagg0 using A1 + B2, and your lagg1 using A2+B1
Both of those will give you fail-over support for losing a single NIC
port, an entire NIC, or an entire switch.
Of course, if your switched aren't stacked to support LACP across
them, then you will be limited to a single links bandwidth. But you
will be extremely safe. :)
--
Freddie Cash
fjwcash@xxxxxxxxx
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