OUTPUT – sudo lshw -C network
*-network description: Network controller product: BCM4311 802.11b/g WLAN vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:0b:00.0 version: 01 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=wl latency=0 resources: irq:16 memory:efcfc000-efcfffff *-network UNCLAIMED description: Ethernet controller product: BCM4401-B0 100Base-TX vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:03:00.0 version: 02 width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: latency=64 resources: memory:ef9fe000-ef9fffff
OUTPUT – ifconfig -a
lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:259 errors:0 dropped:0 overruns:0 frame:0 TX packets:259 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:33926 (33.9 KB) TX bytes:33926 (33.9 KB)
Content of path – etc/udev/rules.d/70-persistent-net.rules
# PCI device 0x14e4:/sys/devices/pci0000:00/0000:00:1e.0/0000:03:00.0/ssb1:0 (b44) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:19:b9:5a:f6:eb", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
OUTPUT – sudo ifconfig eth0
eth0: ERROR while getting interface flags: No such device
OUTPUT – sudo ifup eth0
Ignoring unknown interface eth0=eth0.
Best Answer
Please open a terminal and do:
Hook up the ethernet temporarily and do:
Now your ethernet should be working and able to connect. Then do:
Everything should be working correctly after a reboot.