Vmware Distributed Switching vs Using Nexus 1000v

Posted on 2013-12-14
Last Modified: 2013-12-21
Would be there any value in using one vs the other?

The back switches are nexus 7ks, wondering if I will get a much greater value or not
Question by:QuestionsGuy
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LVL 42

Expert Comment

ID: 39719224
For Nexus 1000v you need both.  A Nexus 1000v need to run on a vmware distributed switch and it does give you a lot of good options such as span ports into your virtual ports and a lot more insight into the networking environment when you're troubleshooting issues.

Author Comment

ID: 39720181
Mind me asking how it works?  It looks like it sits with the vcenter server which causes me some confusion, is it sitting on the clustered servers or the vcenter server?  If its on a vcenter server obviously the vcenter machine should be a separate machine with enough horse power and network bandwidth to sustain everything or is there something else there.

Yes I've read the documents but they don't really put it all out in writing
LVL 42

Expert Comment

ID: 39720367
Think about what a cisco switch's essentially software for switching or routing software for routing.  A virtual appliance gets installed and hooks into the vDS that allows you to control your switching environment just like on a physical switch

Author Comment

ID: 39720464
Any performance limitations?
LVL 42

Accepted Solution

paulsolov earned 500 total points
ID: 39720654
Not at all, it actually allows you to configure lacp if you want (vDS) which can sessionalize your traffic a little bit better and provide better load balancing.  The best part is that when you have issues you can get into the virtual port and analyze traffic on a per port basis, netflow, etc..

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