Linux Show List Of Network Cards
lspci command
Type the following command:# lspci | egrep -i --color 'network|ethernet'Sample outputs:
09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5761e Gigabit Ethernet PCIe (rev 10) 0c:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
lshw command
The lshw command can extract detailed information on the hardware configuration of the machine including network cards. Type the following command:# lshw -class networkSample outputs:
*-network DISABLED
description: Wireless interface
product: Ultimate N WiFi Link 5300
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:0c:00.0
logical name: wlan0
version: 00
serial: 00:21:6a:ca:9b:10
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-0.bpo.1-amd64 firmware=8.83.5.1 build 33692 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
resources: irq:46 memory:f1ffe000-f1ffffff
*-network
description: Ethernet interface
product: NetXtreme BCM5761e Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:09:00.0
logical name: eth0
version: 10
serial: b8:ac:6f:65:31:e5
size: 1GB/s
capacity: 1GB/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 duplex=full firmware=5761e-v3.71 ip=192.168.1.5 latency=0 link=yes multicast=yes port=twisted pair speed=1GB/s
resources: irq:48 memory:f1be0000-f1beffff memory:f1bf0000-f1bfffff
ifconfig and ip command
To see all configured network devices, enter:# ifconfig -aOR
# ip link showOR
# ip aSample outputs:
1: lo: mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: mtu 1500 qdisc mq state UP qlen 1000
link/ether b8:ac:6f:65:31:e5 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.5/24 brd 192.168.1.255 scope global eth0
inet6 fe80::baac:6fff:fe65:31e5/64 scope link
valid_lft forever preferred_lft forever
3: wlan0: mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:21:6a:ca:9b:10 brd ff:ff:ff:ff:ff:ff
4: pan0: mtu 1500 qdisc noop state DOWN
link/ether 92:0a:e7:31:e0:83 brd ff:ff:ff:ff:ff:ff
5: vmnet1: mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether 00:50:56:c0:00:01 brd ff:ff:ff:ff:ff:ff
inet 192.168.121.1/24 brd 192.168.121.255 scope global vmnet1
inet6 fe80::250:56ff:fec0:1/64 scope link
valid_lft forever preferred_lft forever
6: vmnet8: mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether 00:50:56:c0:00:08 brd ff:ff:ff:ff:ff:ff
inet 192.168.179.1/24 brd 192.168.179.255 scope global vmnet8
inet6 fe80::250:56ff:fec0:8/64 scope link
valid_lft forever preferred_lft forever
/proc/net/dev
The dev pseudo-file contains network device status information. This gives the number of received and sent packets, the number of errors and collisions and other basic statistics.$ cat /proc/net/devSample outputs:
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 20097 179 0 0 0 0 0 0 20097 179 0 0 0 0 0 0
vmnet8: 0 0 0 0 0 0 0 0 0 33 0 0 0 0 0 0
pan0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
wlan0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
eth0: 592509534 623058 0 0 0 0 0 1053 122269656 401567 0 0 0 0 0 0
vmnet1: 0 0 0 0
