<commit_before>// Module included in the following assemblies:
//
// * virt/virtual_machines/vm_networking/virt-attaching-vm-multiple-networks.adoc

//This file contains UI elements and/or package names that need to be updated.

[id="virt-creating-bridge-nad-web_{context}"]
= Creating a Linux bridge network attachment definition in the web console

The network attachment definition is a custom resource that exposes layer-2 devices
to a specific namespace in your {VirtProductName} cluster.

Network administrators can create network attachment definitions
to provide existing layer-2 networking to pods and virtual machines.

.Procedure

. In the web console, click *Networking* -> *Network Attachment Definitions*.
. Click *Create Network Attachment Definition* .
. Enter a unique *Name* and optional *Description*.
. Click the *Network Type* list and select *CNV Linux bridge*.
. Enter the name of the bridge in the *Bridge Name* field.
. Optional: If the resource has VLAN IDs configured, enter the ID numbers in the *VLAN Tag Number* field.
. Click *Create*.<commit_msg>CNV-15796: UI for MAC spoof filtering<commit_after>// Module included in the following assemblies:
//
// * virt/virtual_machines/vm_networking/virt-attaching-vm-multiple-networks.adoc

//This file contains UI elements and/or package names that need to be updated.

[id="virt-creating-bridge-nad-web_{context}"]
= Creating a Linux bridge network attachment definition in the web console

The network attachment definition is a custom resource that exposes layer-2 devices
to a specific namespace in your {VirtProductName} cluster.

Network administrators can create network attachment definitions
to provide existing layer-2 networking to pods and virtual machines.

.Procedure

. In the web console, click *Networking* -> *Network Attachment Definitions*.
. Click *Create Network Attachment Definition* .
. Enter a unique *Name* and optional *Description*.
. Click the *Network Type* list and select *CNV Linux bridge*.
. Enter the name of the bridge in the *Bridge Name* field.
. Optional: If the resource has VLAN IDs configured, enter the ID numbers in the *VLAN Tag Number* field.
. Optional: Select the *MAC Spoof Check* checkbox to enable MAC spoof filtering. This feature provides security against a MAC spoofing attack by allowing only a single MAC address to exit the pod.
. Click *Create*.
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