root@NSLU2:~$ mii-diag Using the default interface 'eth0'. Basic registers of MII PHY #1: 3100 786d 0000 8201 01e1 41e1 0001 0000. The autonegotiated capability is 01e0. The autonegotiated media type is 100baseTx-FD. Basic mode control register 0x3100: Auto-negotiation enabled. You have link beat, and everything is working OK. Your link partner advertised 41e1: 100baseTx-FD 100baseTx 10baseT-FD 10baseT. End of basic transceiver information. root@NSLU2:~$ mii-diag -C 0x4000 eth0 Setting the Basic Mode Control Register to 0x4000.Duplex mode eth0 =0 Basic registers of MII PHY #1: 4100 7849 0000 8201 01e1 0041 0000 0000. Basic mode control register 0x4100: Auto-negotiation disabled, with Speed fixed at 10 mbps, full-duplex. Transceiver in loopback mode! Basic mode status register 0x7849 ... 7849. Link status: not established. Link partner information is not exchanged when in fixed speed mode. End of basic transceiver information. root@NSLU2:~$ ping 192.168.1.78 & PING 192.168.1.78 (192.168.1.78): 56 data bytes root@NSLU2:~$ SEND PHYS: 0x01f6af00 tcpdump -i eth0 -nev device eth0 entered promiscuous mode tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 68 bytes SEND PHYS: 0x01f6aec0 00:03:23.621729 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 SEND PHYS: 0x01f6ae80 00:03:24.618231 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 SEND PHYS: 0x01f6ae40 00:03:25.648234 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 SEND PHYS: 0x01f6ae00 00:03:26.648260 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 SEND PHYS: 0x01f6adc0 00:03:27.648234 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 SEND PHYS: 0x01f6ad80 00:03:28.678230 00:0c:be:00:01:01 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: arp who-has 192.168.1.78 tell 192.168.1.77 6 packets captured 12 packets received by filter 0 packets dropped by kernel device eth0 left promiscuous mode root@NSLU2:~$