High availability of our network infrastructure and services on our servers are the No.1 priority in our IT department. We have already setup a redundant network infrastructure; we have two core routers, two fibre links for each edge switch stack.
My following question is about a redundant mechanism for servers network cards!
(Its not about a redundant network infrastructure!) Please see the following details:
We have 4 ESX nodes; each node has 6 physical NICs: 2 for DMZ; another 2 for production servers, and last two, one for console and one for Vmotion. Each ESX node has the same configuration as above.
The problem we have is that all 4x4 physical NICs (from 4 nodes and not including 2x4 for DMZ) are all connected to a redundant core router. We would like to evenly distribute 2x4 physical NICs (1x4 for production servers and 1x4 for console and Vmotion) of 4x4 physical NICs into our primary core router and another 2x4 physical NICs (1x4 for production servers and 1x4 for console and Vmotion) of 4x4 physical NICs would remain in the redundant core router, in case of a failure of the redundant core router.
My question is:
How can we achieve 2x4 physical NICs connect to the redundant core router and another 2x4 physical NICs connect to the primary core router in case of a failure of a core router? That way we would be able to truly achieve a redundant mechanism of IT services on our production servers, in case of a failure of the redundant core router.
Many thanks in advance for your help.
Regards
John
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