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Thushan Pramod
Beginner

Shared sub net between VRFs

Hi experts,

Can we configure shared sub net between VRFs while default GW is defined in external FW and BD is configured as legacy L2? I need to know whether we can configure inter VRF/Tenant communication while the default GW is defined in external FW?

1 REPLY 1
Leon
Beginner

For sharing subnet between VRFs, your only option is to configure the subnet under EPG as a provider. Then you can export a contract to another user tenant, unless common tenant is used, then no contract export is needed.

If you want to share a subnet that's defined on an external firewall, you can VLAN tag and do either L2 BD extension or L2 EPG extension. I find that L2 EPG extension is much easier to implement, L2 BD extension is a cleaner solution and provides a bit more flexibility.

Leon