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Net Admins
Beginner

Design Question: Layer 2 communication between VM and physical device

I have a storage device that needs to receive connections from a VM in vmware.

Since the communication is layer 2 I reached a problem where vlan pools overlap between the EPGs since the physical domains are different.

 

Which would be the best solution for this problem?

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Sergiu.Daniluk
VIP Advocate

Hi @Net Admins 

You can enable port local scope feature.

Check the following design options for vlan pools / phy domains:

Screenshot 2021-07-07 104943.png

 

Regards,

Sergiu

View solution in original post

3 REPLIES 3
Sergiu.Daniluk
VIP Advocate

Hi @Net Admins 

You can enable port local scope feature.

Check the following design options for vlan pools / phy domains:

Screenshot 2021-07-07 104943.png

 

Regards,

Sergiu

View solution in original post

Hi @Sergiu.Daniluk thanks for your tremendous help.

May i know why the 5th layout is not supported?

Common BD for 2 EPGs with different physical domains with local scope?

Because if you have the same BD, then it means usually that EPs are part of the same layer2 domain. Translating this in vxlan, for communication to happen, it needs to be the same VNI segments (VXLANs). If you use different vlan pools, you will have basically configure different VNIDs (VXLANs), so communication would not work.

 

Stay safe,

Sergiu