> # Configuring IPv4 and IPv6 Protocol Addresses

> When an interface in a Cisco networking device is configured with both an IPv4 and an IPv6 address, the interface can send and receive data on both IPv4 and IPv6 networks.

> ## Detailed Steps

> To configure an interface in a Cisco networking device to support both the IPv4 and IPv6 protocol stacks using Device Manager, follow these steps:

> 1. Choose Interfaces > Gigabit Ethernet and iSCSI.

> You see the Gigabit Ethernet Configuration dialog box.

> 2. Click the IP Address field that you want to configure and click Edit IP Address.

> You see the IP Address dialog box.

> 3. Click Create and set the IP Address/Mask field, using the IPv4 or IPv6 format.
> 4. Click Create to save these changes or click Close to discard any unsaved changes.

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