VPC is down,please see the Port channel interface status and the VPC

[DAVESHEP]

[MHM Cisco World]

can I see the config 

MHM

[DAVESHEP]

Sorry which config?

[MHM Cisco World]

Vpc domain and vpc peer link conf

MHM

[customerservice]

What are the commands?

[MHM Cisco World]

nsk# show vpc bri
nsk# show interface port-channel <peer-link>
nsk# show spanning-tree

MHM

[customerservice]

[customerservice]

Stupid question I have two Cisco Nexis switches and I configured ports 13 and 14 on both switches for Port channel and I'm using cross over cables to connect them together, is this correct?

[MHM Cisco World]

Yes I check you can cross over cables 
show etherchannel summary  <<- share this also 

MHM

[customerservice]

I'm running two nexus 3000 switches and can't get. this command to work, I even went to (INT PORT-CHANNEL 15 IN CONFIG MODE AND RAN: show etherchannel summary) it's not working anywhere.

show etherchannel summary 

[MHM Cisco World]

Try

Show port channel summary 

Share result 

MHM

[customerservice]

Here it is, Thanks for your help and patience, I had my CCNA 10 years ago but now I'm going for the CCNP and VPC in completely new to me.

Thanks.

[MHM Cisco World]

first shut the PO in both NSK 
make sure both NSK use same STP mode (MST or PVST)
then allow VLAN in PO peer-link 
then no shut the PO

[balaji.bandi]

it shows that all the physical interface are down or not connected ? have you checked the Physical connectivity, check the Patch leads, and fiber polarities..

check vpc config :

https://www.balajibandi.com/?p=618

[customerservice]

Stupid question I have two Cisco Nexis switches and I configured ports 13 and 14 on both switches for Port channel and I'm using cross over cables to connect them together, is this correct?