i have a kvm host based on ubuntu 10.04 host , and the guest is rhel 5.3 64-bit,
on the guest i tried to execute mii-tool eth0
SIOCGMIIREG on eth0 failed: Input/output error SIOCGMIIREG on eth0 failed: Input/output error eth0: no autonegotiation, 100baseTx-FD, link ok
and mii-tool -v eth4
eth0: no autonegotiation, 100baseTx-FD, link ok product info: vendor 00:50:43, model 2 rev 0 basic mode: software reset, 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
and mii-tool -r eth0 this is output /var/log/message
Feb 20 13:16:44 xil1 kernel: [ 1289.790780] e1000: eth4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
so that it is supposed to work with 1000MB/s but it still working with 100MB/s any suggestion what may be the problem ?