50
Brocade FastIron Edge X-Series Hardware Installation Guide
Part Number: 53-1002499-02
Connecting Network Devices and Checking Connectivity
Troubleshooting network connections
.
If a problem persists after taking these actions, contact Brocade technical support.
Troubleshooting network connections
Follow these procedures to troubleshoot a network connection:
•
For the indicated port, verify that both ends of the cabling (at the Brocade device and the connected device) are snug.
•
Verify that the Brocade device and the connected device are both powered on and operating correctly.
•
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 Brocade Network Advisor.
•
Verify that you have used the correct cable type for the connection:
•
For twisted-pair connections to an end node, use straight-through cabling.
TABLE 2
Network connection-related LED states
LED
Desired State
Meaning
Abnormal
State
Meaning or Action
Link (Lnk)
On (Green)
A link is
established with
the remote port.
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 the
Brocade device is connected to the
receive port on the other network device,
and that the receive port on the Brocade
device 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
•
If the other actions do not resolve the
problem, try using a different port or a
different cable.
Active (Act)
On or blinking
(Yellow)
The port is
transmitting and
receiving user
packets.
Off for an
extended
period.
The port is not transmitting or receiving user
packets. You can do the following:
•
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
Brocade Network Advisor.
