root@tbred:/# mii-tool -v; mii-diag -v eth0: negotiated 100baseTx-FD flow-control, link ok product info: vendor 00:07:32, model 17 rev 0 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control mii-diag.c:v2.11 3/21/2005 Donald Becker (becker@scyld.com) http://www.scyld.com/diag/index.html Using the default interface 'eth0'. Using the new SIOCGMIIPHY value on PHY 32 (BMCR 0x0000). The autonegotiated capability is 01e0. The autonegotiated media type is 100baseTx-FD. Basic mode control register 0x1000: Auto-negotiation enabled. You have link beat, and everything is working OK. This transceiver is capable of 100baseTx-FD 100baseTx 10baseT-FD 10baseT. Able to perform Auto-negotiation, negotiation complete. Your link partner advertised cde1: Flow-control 100baseTx-FD 100baseTx 10baseT-FD 10baseT, w/ 802.3X flow control. End of basic transceiver information. libmii.c:v2.11 2/28/2005 Donald Becker (becker@scyld.com) http://www.scyld.com/diag/index.html MII PHY #32 transceiver registers: 1000 796d 001c c910 0de1 cde1 000d 2001 44d7 0300 3800 1000 1007 f880 0000 3000 0060 ac80 0000 0000 0060 0000 ef84 0108 2740 669d 0000 0107 0910 0000 0000 9860. Basic mode control register 0x1000: Auto-negotiation enabled. Basic mode status register 0x796d ... 796d. Link status: established. Capable of 100baseTx-FD 100baseTx 10baseT-FD 10baseT. Able to perform Auto-negotiation, negotiation complete. Vendor ID is 00:07:32:--:--:--, model 17 rev. 0. No specific information is known about this transceiver type. I'm advertising 0de1: Flow-control 100baseTx-FD 100baseTx 10baseT-FD 10baseT Advertising no additional info pages. IEEE 802.3 CSMA/CD protocol. Link partner capability is cde1: Flow-control 100baseTx-FD 100baseTx 10baseT-FD 10baseT. Negotiation completed. root@tbred:/#