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Contributor

Typical DC design with Nexus

Hi All

What are people doing for typical Datacentre designs these days?

Is it a 2 layer or 3 layer model? or is it just spine and leaf?

What about dual connecting servers using LACP etc? would they just have the 2 TOR leaf switches in a vpc then create a port channel to the 2 TOR switches?

Are people doing L3 to the TOR leaf switches or still doing that in the spines?

What about the Core layer etc?

Cheers

Cheers

 

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VIP Mentor

Re: Typical DC design with Nexus

if cisco based design, the ACI - spine and leaf makes life easy, if you looking to build green filed, if you looking to upgrade, still you can connect old network to ACI.

 

i do not believe investing on FEX waste of investment in the new era, Nexus 9K will be same costing model.

 

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Contributor

Re: Typical DC design with Nexus

Hi

So, is there no core switch anymore ?

is it just spine and leaf with no core?

what dictates the number of spines you should have ?

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Hall of Fame Expert

Re: Typical DC design with Nexus

Hi,

Have a look at this white paper. There is a section about leaf and spine switches that support ACI.

https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-737909.html#_Toc6452855

 

HTH

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VIP Mentor

Re: Typical DC design with Nexus

additional to oher post in case you like to read and connect exiting infrastructure to ACI.

 

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/Operating_ACI/guide/b_Cisco_Operating_ACI/b_Cisco_Operating_ACI_chapter_0110.html

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