The lane selector is
a push button switch and 4 LEDs located on the Cisco Nexus switch (left side of
front panel, labeled "LS"). The push button switch and LEDs are used to
indicate the status of the ports. The lane selector is supported on Cisco Nexus
Series 9000 series switches and the Cisco Nexus 3164 and 3232 switches.
By default, the LEDs
indicate the link/activity status of a 1 x 40G configuration. When the ports
are configured as 4 x 10G, you can access the link status of each individual
10G port with the lane selector.
By pressing the lane
selector push button, the port LED shows the selected lane’s link/activity
status. The 1st time the push button is pressed, the first LED displays the
status of the first port. Pressing the push button a 2nd time displays the
status of the second port, and so on. You can display the status of each of the
four ports by pressing the push button in this manner.
For example, if port
60 is configured as 4 x 10G, pressing the lane selector push button once
displays the link status of 60/1/1. Pressing the push button a second time
displays the link status of 60/1/2.
When you press the
push button after displaying the status of the last port, all four of the LEDs
should extinguish to indicate that the lane selector has returned to display
the status for the default 1 x 40G configuration.
A 10G breakout
port's LED blinks when the beacon feature has been configured for it.
When a port is
configured to be in 10G breakout mode and no lane is selected, the 40G port's
LED illuminates as green even though only one of the 10G breakout ports is up.