[AusNOG] How to setup something like LACP across two switches

[Jason Leschnik]

Hi,

Unless your switches support some flavour of MEC (Multichassis
Etherchannel) like VPC or MLAG from other vendors your other options are
stacking on your end if supported.

Another option is having the Customer do active/standby fail over on the
server. Esxi can be easily set up to have links in standby.

Regards,
Jason

On Fri, 20 Apr 2018, 9:19 AM James Cunningham <jjazza26 at gmail.com> wrote:

> Hello Fellow Ausnoggers,
>
> I'm hoping that I can quickly pick the brain of someone more knowledgeable
> in data centre networking than myself.
>
> We have a customer in one of our racks in Equinix who has a single network
> switch, and some servers connected to it. We currently have two connections
> from our switch to the customer's switch, with LACP for redundancy (and as
> a side effect, we get a slight bandwidth boost for 2 x 1Gbps connections,
> which is a slight bonus).
>
> We would like to improve this by putting in two network switches on our
> end, to protect again a single switch failure on our side, but the customer
> will still have one single network switch.
>
> I'm pretty sure we can't do LACP with this style of setup - so what would
> people recommend to achieve redundancy here? Main thing is that the
> connection needs to auto-failover if a network switch fails, or if one of
> the uplinks fails.
>
> I have created the attached diagram which illustrates what we are trying
> to do.
>
> Can anyone please help? I'll owe a beer at the Next AusNOG meetup!
>
> Thanks
>
> James
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