With WR 9.0, setting the advertised Ethernet autonegotiation modes does not work.
NA
=STEPS TO REPRODUCE=
1. echo 8 > /proc/sys/kernel/printk
2. ethtool -s eth0 autoneg on advertise 04
3. ethtool eth0
=ACTUAL RESULTS=
Console displays
...eth0 NIC Link is Up 1000 Mbps Full Duplex...
Advertised link modes: (all five supported modes)
Ethernet speed LED remains green.
=EXPECTED RESULTS=
Console displays
...eth0 NIC Link is Up 100 Mbps Half Duplex...
Advertised link modes: 100baseT/Half
Ethernet speed LED turns yellow.