Troubleshooting Network Connections - Dell PowerConnect B-RX16 Installation Manual

Troubleshooting network connections

After you cable the fiber optic modules, you can observe certain LEDs to determine if the network
connections are functioning properly.
connections, the desired state of each LED, possible abnormal states of each LED, and what to do
if an LED indicates an abnormal state.
TABLE 16
LED
Interface module
Link
Active
If a problem persists after taking these actions, contact Brocade's technical support.
BigIron RX Installation Guide
53-1001811-01
Table 16
Network connection-related LED states
Desired Meaning
State
On A link is established
with the remote port.
On or The port is
blinking transmitting and
receiving user packets.
Connecting a BigIron RX Series switch
outlines the LEDs related to the network
Abnormal Meaning or action
state
Off A link is not established with the remote port.
You can do the following:
•
Verify that the connection to the other
network device has been properly made.
Also, make certain that the other network
device is powered on and operating
correctly.
•
Verify that the transmit port on a BigIron
RX Series switch is connected to the
receive port on the other network device,
and that the receive port on the BigIron
RX Series switch is connected to the
transmit port on the other network
device. If you are not certain, remove the
two cable connectors from the port
connector and reinsert them in the port
connector, reversing their order.
•
Dust may have accumulated in the cable
connector or port connector. For
information about cleaning the
connectors, refer to
modules"
•
If the other actions do not resolve the
problem, try using a different port or a
different cable.
Off for an The port is not transmitting or receiving user
extended packets. You can do the following:
•
period.
Check the Link LED to make sure the link
is still established with the remote port. If
not, take the actions described in the
Meaning or Action column for the Link
LED.
•
Verify that the port has not been disabled
through a configuration change. You can
use the CLI. If you have configured an IP
address on the device, you also can use
the Web management interface or
IronView Network Manager.
4
"Cleaning fiber optic
on page 108.
109