Installation Guide

TABLE 35 Router LED states and actions
LED label Desired state Meaning Abnormal state Meaning or action
Management module
Active The Active LED on one of
the installed management
modules should be on.
The module is functioning
as the active management
module.
O Neither of the management
modules is managing the
switch fabric and interface
modules. A problem may
have occurred during
initialization. Check your
attached PC or terminal for
possible error messages.
Pwr On The module is receiving
power.
O The module is not receiving
power. Check the following:
• Make certain that
the module is
installed properly.
For more
information, refer
to the module
installation
section in this
chapter that
applies to your
router model.
• If you are using
AC power
supplies, refer to
the AC power
supply LED
information in this
table for more
information.
10/100/1000 Ethernet
Port
On (green) A link is established with the
remote port.
O A link is not established with
the remote port. Check the
following:
• Verify that the
connection to the
other router has
been properly
made. Also, make
certain that the
other router is
powered on and
operating
correctly.
• Try using a
dierent cable.
10/100/1000 Ethernet
Port
On or blinking (yellow) The port is transmitting and
receiving packets.
O for an extended period The port is not transmitting
or receiving packets. Check
the following:
• Look at the LED
for the other
10/100/1000
Ethernet port to
see if a link has
been established
with the remote
port.
Verifying proper operation
Extreme Routing MLX Series Hardware Installation Guide
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