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Nexus7000 deployment in enterprise and data center network.

Expert
Here is a question. As we know Nexus 7000 is a very big and new device. Of course, it is used as core. but in some network, it is used as distribution layer. I think there are some reasons for that. Any experts can explain why there is different topology for Nexus 7000. Thank you
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EESky
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EESky
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eeRootCommented:
Some network admins prefer to keep their SAN and network core separate so SAN traffic is contained and does not slow down core switch performance.  Some have found the NX-OS operating system lacking a particular routing feature they need on the core switch.  If you plan on using a Nexus switch as a core switch, you should verify that all routing and switching needs will be met by NX-OS and that the bandwidth/CPU/mem usage will not bottleneck the core switch.
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EESkyAuthor Commented:
Thank you for your reply.

Some network admins prefer to keep their SAN and network core separate so SAN traffic is contained and does not slow down core switch performance
Does this mean that it setup Nexus as core in this topology ?  

Some have found the NX-OS operating system lacking a particular routing feature they need on the core switch
Why does it lack routing feature ? Can we say 6500 has more routing features than Nexus ? and that is why we use 6500 as core as suppose Nexus sometimes or most time, right ?
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eeRootCommented:
If the Nexus switches are only used for Virtual servers and SAN infrastructure and uplink to the core, then they would be considered distribution layer.

The 6500's do not have "more" features, they have a different feature focus.  The 6500's are well known for reliable VSS, VRF, and MPLS service, but lack the Nexus 7000's throughput and FCoE support.
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