How to identify hardware network interfaces

Identify hardware network interfaces.

List network devices.

$ sudo lshw -class network -sanitize

*-network                 
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: enp3s0
       version: 15
       serial: [REMOVED]
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.15.0-33-generic duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=[REMOVED] latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       resources: irq:16 ioport:4000(size=256) memory:a1204000-a1204fff memory:a1200000-a1203fff
  *-network DISABLED
       description: Wireless interface
       product: RTL8822CE 802.11ac PCIe Wireless Network Adapter
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlp4s0
       version: 00
       serial: [REMOVED]
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtw_8822ce driverversion=5.15.0-33-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:141 ioport:3000(size=256) memory:a1100000-a110ffff

List network devices using JSON output format.

$ sudo lshw -class network -sanitize -json

[                           
  {
    "id" : "network",
    "class" : "network",
    "claimed" : true,
    "handle" : "PCI:0000:03:00.0",
    "description" : "Ethernet interface",
    "product" : "RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller",
    "vendor" : "Realtek Semiconductor Co., Ltd.",
    "physid" : "0",
    "businfo" : "pci@0000:03:00.0",
    "logicalname" : "enp3s0",
    "version" : "15",
    "serial" : "[REMOVED]",
    "units" : "bit/s",
    "size" : 1000000000,
    "capacity" : 1000000000,
    "width" : 64,
    "clock" : 33000000,
    "configuration" : {
      "autonegotiation" : "on",
      "broadcast" : "yes",
      "driver" : "r8169",
      "driverversion" : "5.15.0-33-generic",
      "duplex" : "full",
      "firmware" : "rtl8168h-2_0.0.2 02/26/15",
      "ip" : "[REMOVED]",
      "latency" : "0",
      "link" : "yes",
      "multicast" : "yes",
      "port" : "twisted pair",
      "speed" : "1Gbit/s"
    },
    "capabilities" : {
      "pm" : "Power Management",
      "msi" : "Message Signalled Interrupts",
      "pciexpress" : "PCI Express",
      "msix" : "MSI-X",
      "vpd" : "Vital Product Data",
      "bus_master" : "bus mastering",
      "cap_list" : "PCI capabilities listing",
      "ethernet" : true,
      "physical" : "Physical interface",
      "tp" : "twisted pair",
      "mii" : "Media Independent Interface",
      "10bt" : "10Mbit/s",
      "10bt-fd" : "10Mbit/s (full duplex)",
      "100bt" : "100Mbit/s",
      "100bt-fd" : "100Mbit/s (full duplex)",
      "1000bt-fd" : "1Gbit/s (full duplex)",
      "autonegotiation" : "Auto-negotiation"
    }
  },
  {
    "id" : "network",
    "class" : "network",
    "disabled" : true,
    "claimed" : true,
    "handle" : "PCI:0000:04:00.0",
    "description" : "Wireless interface",
    "product" : "RTL8822CE 802.11ac PCIe Wireless Network Adapter",
    "vendor" : "Realtek Semiconductor Co., Ltd.",
    "physid" : "0",
    "businfo" : "pci@0000:04:00.0",
    "logicalname" : "wlp4s0",
    "version" : "00",
    "serial" : "[REMOVED]",
    "width" : 64,
    "clock" : 33000000,
    "configuration" : {
      "broadcast" : "yes",
      "driver" : "rtw_8822ce",
      "driverversion" : "5.15.0-33-generic",
      "firmware" : "N/A",
      "latency" : "0",
      "link" : "no",
      "multicast" : "yes",
      "wireless" : "IEEE 802.11"
    },
    "capabilities" : {
      "pm" : "Power Management",
      "msi" : "Message Signalled Interrupts",
      "pciexpress" : "PCI Express",
      "bus_master" : "bus mastering",
      "cap_list" : "PCI capabilities listing",
      "ethernet" : true,
      "physical" : "Physical interface",
      "wireless" : "Wireless-LAN"
    }
  }
]

Extract hardware device names.

$ sudo lshw -class network -sanitize -json | jq --raw-output '.[].logicalname'

enp3s0                      
wlp4s0

Extract hardware device names and display IP addresses.

$ sudo lshw -class network -sanitize -json | jq --raw-output '.[].logicalname' | xargs -I{} ip --brief addr show dev {}

enp3s0           UP             172.16.151.200/21 fe80::b0d:5d9a:7083:fced/64 
wlp4s0           DOWN