# lspci | grep Ethernet
03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)
# DMESG |grep Span style= "color: #990000;" >eth0
divert:allocating divert_blk for eth0
Eth0: Span style= "font-weight:bold; Color: #000099; " >realtek RTL8139 at 0xd800, 00:80:48:34:c2:84, irq 9 /span>
eth0:identified 8139 chip type ' rtl-8100b/8139d '
divert:freeing Divert_blk for eth0
divert:allocating divert_blk for eth0
Eth0:realtek RTL8139 at 0xd800, 00:90:44:34:a5:33, IRQ 9
eth0:identified 8139 chip type ' rtl-8100b/8139d '
eth0: link Up, 100mbps, Full-duplex, LPA 0x41e1
Eth0:no IPv6 routers present
...
mii-tool -v eth0
negotiated 100baseTx-FD, link ok
product info: vendor 00:00:00, model 0 rev 0
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD
10baseT-HD
...
ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 32
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: p
Current message level: 0x00000007 (7)
Link detected: yes
Linux View network card number and speed