: Configure Subnets to Advertise to the External Firewall
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Configure Subnets to Advertise to the External Firewall

Table of Contents
End-of-Life (EoL)
By default, subnets in the ACI fabric are not advertised to external networks. You must configure the subnets to be advertised externally.
  1. On the Tenants tab, double-click on the name of your tenant.
  2. Select NetworkingBridge Domains<your bridge domain>.
  3. Click L3 Configurations.
  4. Click the plus (+) button to the right of Associated L3 Outs.
  5. Select the Layer 3 external routed network connection you created in the previous procedure from the L3 Out drop-down.
  6. Click Update.
  7. Select NetworkingBridge Domains<your bridge domain>Subnets<externally advertised subnet>.
  8. Set the Scope to Advertised Externally.
  9. Click Submit.