# Enable communication between IPv4 and IPv6 devices

Enable IPv6 transition mechanisms that allow communication between devices that have only IPv4 addresses and devices that have only IPv6 address.

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## Steps

1. Select Engine.
2. Right-click a Security Engine, then select Edit <element type>.
3. Browse to Add-Ons > IPv6 Transition Mechanism.
4. From the Type drop-down menu, select translation mechanism, then configure the settings.
5. Click Save.