Bpdguard and nexus portfast

HW SW INFO:

UCS B200MII

Nexus 5K

PVS 7.1

7.1 XD

http://support.Citrix.com/article/CTX123158

According to this link, I need to enable portfast and disable bpdguard in Cisco and Nexus

My friend argument, no need to enable the portfast because pvs and vm win7 all using vnic, which there is no user disconnect nic physical port.

Is this true?

If set to false then can I globally enable portfast and disable bpdguard on base sw and nexus

Thank you

Sorry, I wasn't clear, see below

Q1. no need to activate the portfast because pvs and vm win7 all using vnic

A. your answer is Yes, it means without having to enable portfast

Yes, but if you do, it does nothing

I am referring only to the network between UCS fabric interconnection and N5k

See, for example. https://supportforums.Cisco.com/thread/2070841

There is no tree cover in UCS EHM run below your uplinks, so you can use Port Fast safely.

PortFast should only be enabled on ports connected to a single host. Connecting hubs, concentrators, switches, bridges, etc. to this interface when the portfast is enabled, may cause temporary bridges loops.

Please see for establishing a vpc

http://www.Cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/configuration_guide_c07-543563.html

Q2. I have in the world, enable portfast and disable bpdguard on base sw and nexus

According to my interpretation, without having to enable portfast global and disable bpdguard on base sw and nexus

Is your overall question or interface? I would certainly by interface.

How can I check that end host in FI mode is used or not?

This is the default value.

Tags: Cisco DataCenter

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