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#604035
root@OpenWrt:/usr/sbin# mii-diag -v eth0
mii-diag.c:v2.11 3/21/2005 Donald Becker (becker@scyld.com)
http://www.scyld.com/diag/index.html
Using the new SIOCGMIIPHY value on PHY 0 (BMCR 0x0000).
Basic mode control register 0x2100: Auto-negotiation disabled, with
Speed fixed at 100 mbps, full-duplex.
You have link beat, and everything is working OK.
This transceiver is capable of 100baseTx-FD 10baseT.
Unable to perform Auto-negotiation, negotiation not complete.
Link partner information is not exchanged when in fixed speed mode.
End of basic transceiver information.
MII PHY #0 transceiver registers:
2100 4804 0000 0000 0000 0000 0000 ffff
ffff ffff ffff ffff ffff ffff ffff ffff
ffff ffff ffff ffff ffff ffff ffff ffff
ffff ffff ffff ffff ffff ffff ffff ffff
Note that basic register two is 0000, not 0243. You'd expect the first line to look like (where x means don't care):
xxxx xxxx 0243 0c50 xxxx xxxx xxxx xxxx
The 0c50 includes revision information, so may be different, but the 0243 is important.