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VM-Series Deployment Guide

Configure Subnets to Advertise to the External Firewall

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By default, subnets in the ACI fabric are not advertised to external networks. You must configure the subnets to be advertised externally.

On the Tenants tab, double-click on the name of your tenant.
Select NetworkingBridge Domains<your bridge domain>.
Click L3 Configurations.
Click the plus (+) button to the right of Associated L3 Outs.
Select the Layer 3 external routed network connection you created in the previous procedure from the L3 Out drop-down.
Click Update.
Select NetworkingBridge Domains<your bridge domain>Subnets<externally advertised subnet>.
Set the Scope to Advertised Externally.
Click Submit.