N1K 10Gb Pass through to 2232p/5K

Answered Question
Dec 19th, 2011
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Hello,


We are about to implement Nexus 1000v's on HP ESX hosts using vCenter 5.0.


The ESX hosts will each be using 2 - 10Gb pass throughs connected to two different 2232P's which are support by two N5K's.


I am configuring the uplink port-profile to use the following:


channel-group auto mode active


Which will, if I understand correctly, use LACP so that each interface of a given VEM will be part of a port-channel.


What I need to know is there any special configuration that I need to make on the 5K's to support the VEM's port channels?


Do I need to create a seperate port-channel for each of the VEM's (on the 5K) before I have the server admins bind the physical interfaces to the uplink port-profile?


The 1000v's are version 4.2(1)SV1(4a) and the 5K's are version  5.0(3)N1(1c).


Thanks!


Bob

Correct Answer by mwronkow about 5 years 5 months ago

Hello Robert,


You have the right idea. Each VEM will need a separate VPC port-channel on the n5ks. Search for Nexus 1000v Port Channel Best Practices for a full configuration.


Note we have seen issues where the HP Passthrough and SeverEngines NICS drop LACP PDUs. A firmware update on the Passthrough and/or NICS will correct this behavior.


Matthew

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Correct Answer
mwronkow Fri, 12/23/2011 - 10:47
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  • Cisco Employee,

Hello Robert,


You have the right idea. Each VEM will need a separate VPC port-channel on the n5ks. Search for Nexus 1000v Port Channel Best Practices for a full configuration.


Note we have seen issues where the HP Passthrough and SeverEngines NICS drop LACP PDUs. A firmware update on the Passthrough and/or NICS will correct this behavior.


Matthew

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Tyrone Van Der Haar Tue, 10/16/2012 - 02:04
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Hi,


Could you please provide more information about the problems you have been experiencing regarding the pass thru module and the resolution.


Regards

Tyrone

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