LED configuration on WNDR3700v4 in 19.07

  1. I would like to configure the LEDs on my WNDR3700v4's switch. The commands in the documentation don't work; simply substituting the switch name doesn't help:

    # swconfig dev ag71xx-mdio.0 port 1 set led 6
    Unknown attribute "led"

    How can I list the attributes? Can't see them in /etc/config.

  2. Luci shows LEDs named ath9k-phy0 and 1. Are these for real?