# 8021XThirdEthernet The payload that configures the third wired Ethernet interface. ``` WiFi.EAPClientConfiguration 8021XThirdEthernet ``` ## Discussion Specify `com.apple.thirdethernet.managed` as the payload type. This payload’s contents contain these profile-specific keys: - Interface (String): This payload uses the value `ThirdEthernet`. - EAPClientConfiguration ([`WiFi.EAPClientConfiguration`](/documentation/DeviceManagement/WiFi/EAPClientConfiguration-data.dictionary)): The dictionary that defines the enterprise profile for the network. - SetupModes (String): The type of connection mode, which is either “System” or “Loginwindow.” “System” is the default. This payload applies to Ethernet interfaces according to service order, regardless of whether the interface is working. ### Profile availability ||| |--------------------------|-----| |Device channel |macOS| |User channel |macOS| |Allow manual install |macOS| |Requires supervision |N/A | |Requires user-approved MDM|N/A | |Allowed in user enrollment|macOS| |Allow multiple payloads |N/A | ### Profile example ```plist PayloadContent AuthenticationMethod AutoJoin CaptiveBypass EAPClientConfiguration AcceptEAPTypes 25 UserName user UserPassword password EncryptionType WPA2 HIDDEN_NETWORK Interface ThirdEthernet Password password ProxyType None SetupModes System PayloadIdentifier com.example.my8021Xthirdepayload PayloadType com.apple.thirdethernet.managed PayloadUUID bffa7d6f-fd20-45c0-a5f4-6fc5bd37c23f PayloadVersion 1 PayloadDisplayName 802.1x Third Ethernet PayloadIdentifier com.example.myprofile PayloadType Configuration PayloadUUID 05c2aeaa-954e-4704-87a6-e4cff93cfd25 PayloadVersion 1 ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)