What are some helpful commands to monitor and troubleshoot the Headend?
• show radio interface slot number/port number [{if | rf}] • show radio subscribers —Shows all the radio subscribers and current states. • show radio flap-list —Displays the radio flap-list of a wireless modem card. • show interfaces radio slot number/port number hist-data—Shows signal-to-noise ratio (SNR). You must have histograms configured on the radio interface to see any output. This is the only command that shows SNR. • show interfaces radio slot number/port number link-metrics —Shows all codeword errors on a link over a specific period. • show controllers radio slot number/port number [{if | rf}]—Displays all or a subset of attributes of a particular modem card. • show controllers radio slot/downstream-port downstream—Displays downstream port information for a wireless modem card. • show controllers radio slot/upstream-port upstream—Displays upstream port information for a wireless modem card. • radio loopback local main if —Shows if the line card is faulty. • radio loopback loc
