Puede ver los nombres que se usan en las Preferencias del sistema para algunos de los dispositivos ejecutando networksetup -listallhardwareports:
Hardware Port: HUAWEIMobile-
Device: HUAWEIMobile-Modem
Ethernet Address: N/A
Hardware Port: Bluetooth DUN
Device: Bluetooth-Modem
Ethernet Address: N/A
Hardware Port: Ethernet
Device: en0
Ethernet Address: a8:20:66:31:95:57
Hardware Port: MBBEthernet
Device: en5
Ethernet Address: 00:1e:10:1f:00:01
Hardware Port: Wi-Fi
Device: en1
Ethernet Address: 8c:2d:aa:33:03:e9
Hardware Port: Bluetooth PAN
Device: en4
Ethernet Address: 8c:2d:aa:33:03:ea
Hardware Port: Thunderbolt 1
Device: en2
Ethernet Address: 32:00:1b:25:92:c0
Hardware Port: Thunderbolt 2
Device: en3
Ethernet Address: 32:00:1b:25:92:c1
Hardware Port: Thunderbolt Bridge
Device: bridge0
Ethernet Address: N/A
VLAN Configurations
===================
networksetup -listnetworkserviceorder produce una salida similar pero muestra "una lista de servicios de red en el orden en que se contactan para una conexión" o muestra los servicios en el mismo orden que las Preferencias del sistema.
networksetupno incluye dispositivos como los dispositivos vmnet1y vmnet8utilizados por VMWare.
Puede ver más información sobre los endispositivos ejecutando defaults read /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist:
{
Interfaces = (
{
Active = 1;
"BSD Name" = en0;
IOBuiltin = 1;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 0;
IOMACAddress = <a8206631 9557>;
IOPathMatch = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/RP03@1C,2/IOPP/GIGE@0/BCM5701Enet/en0";
SCNetworkInterfaceInfo = {
UserDefinedName = Ethernet;
};
SCNetworkInterfaceType = Ethernet;
},
{
Active = 1;
"BSD Name" = en1;
IOBuiltin = 1;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 1;
IOMACAddress = <8c2daa33 03e9>;
IOPathMatch = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/RP04@1C,3/IOPP/ARPT@0/AirPort_Brcm4360/en1";
SCNetworkInterfaceInfo = {
UserDefinedName = "Wi-Fi";
};
SCNetworkInterfaceType = IEEE80211;
},
{
Active = 1;
"BSD Name" = en2;
IOBuiltin = 1;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 2;
IOMACAddress = <32001b25 92c0>;
IOPathMatch = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/RP05@1C,4/IOPP/UPSB@0/IOPP/DSB0@0/IOPP/NHI0@0/AppleThunderboltHAL/AppleThunderboltNHIType2/IOThunderboltController/IOThunderboltLocalNode/AppleThunderboltIPService/AppleThunderboltIPPort/en2";
SCNetworkInterfaceInfo = {
UserDefinedName = "Thunderbolt 1";
};
SCNetworkInterfaceType = Ethernet;
},
{
Active = 1;
"BSD Name" = en3;
IOBuiltin = 1;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 3;
IOMACAddress = <32001b25 92c1>;
IOPathMatch = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/RP05@1C,4/IOPP/UPSB@0/IOPP/DSB0@0/IOPP/NHI0@0/AppleThunderboltHAL/AppleThunderboltNHIType2/IOThunderboltController/IOThunderboltLocalNode/AppleThunderboltIPService/AppleThunderboltIPPort/en3";
SCNetworkInterfaceInfo = {
UserDefinedName = "Thunderbolt 2";
};
SCNetworkInterfaceType = Ethernet;
},
{
"BSD Name" = en4;
IOBuiltin = 0;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 4;
IOMACAddress = <8c2daa33 03ea>;
IOPathMatch = "Migrated_From: IOService:/IOResources/IOUserEthernetResource/IOUserEthernetResourceUserClient/IOUserEthernetController/en2";
SCNetworkInterfaceInfo = {
UserDefinedName = "Bluetooth PAN";
};
SCNetworkInterfaceType = Ethernet;
},
{
Active = 1;
"BSD Name" = en5;
IOBuiltin = 0;
IOInterfaceNamePrefix = en;
IOInterfaceType = 6;
IOInterfaceUnit = 5;
IOMACAddress = <001e101f 0001>;
IOPathMatch = "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/EHC1@1D/AppleUSBEHCI/HUAWEI Mobile@1d110000/IOUSBInterface@4/HuaweiDataCardECMData/en5";
SCNetworkInterfaceInfo = {
"USB Product Name" = "HUAWEI Mobile";
UserDefinedName = MBBEthernet;
idProduct = 5382;
idVendor = 4817;
};
SCNetworkInterfaceType = Ethernet;
}
);
Model = "iMac13,1";
}
Además de lo que dijo iklier sobre el nombre del dispositivo para Wi-Fi en0en computadoras portátiles sin puerto ethernet y en1en Macs con un solo puerto ethernet, también se encuentra en2en al menos algunos Mac Pros con dos puertos ethernet.