Communication Failures When Link Aggregation Is Used - Alaxala AX6700S series Troubleshooting Manual

3. Troubleshooting Functional Failures During Operation
Table 3-13: Communication failure analysis method when PoE is used
No. Items to check and commands
1 Use the
show power inline
command to check the information
displayed for
PoEStatus
port.
2 Check whether
shutdown
target port.
3 Use the
show power inline
command to check the values of
and
Threshold(W)
4 Execute the
show logging
and check whether a failure has
occurred.

3.5.7 Communication failures when link aggregation is used

If communication is not possible or if degraded operation is in effect when link aggregation is used,
isolate the cause of the problem according to the failure analysis method in the following table.
Table 3-14: Communication failure analysis method when link aggregation is used
No. Items to check and commands
1 Use the
show channel-group
command with the
check the link aggregation setting that
caused the communication failure.
2 Use the
show channel-group
command with the
check the operating status of the port
that caused the communication failure.
44
• When
for the target
• When
• When
is set for the • When set:
• When not set:
Power cannot be supplied because the value of
than the value of
. supplied to the entire switch, the amount of power allocation to the ports,
Allocate(W)
and the power consumption by the ports, and then adjust the allocation
amount in the configuration.
command There might be a problem with the power-receiving device or a
connection cable.
• When
Make sure the link aggregation mode is the same as the mode for the
parameter to remote device. If the modes are different, modify the link aggregation
detail
mode so that it will be the same as the mode for the remote device.
If the link aggregation modes match, check whether the LACP start
method is set to passive for both ports. If passive is set for both ports,
change the setting of one of the ports to active.
Check the status of each port displayed for
parameter to channel group have gone down, the channel group also goes down.
detail
Based on the value displayed for
described below on ports that have gone down.
• CH Disabled
is displayed for
off
Power is not being supplied. Go to No. 2.
is displayed for
denied
The supplied power is insufficient for the entire switch. Go to No. 3.
is displayed for
faulty
The power supply unit to the connected device is disabled. Go to No.
4.
Set .
no shutdown
Make sure a power-receiving device is connected.
Threshold(W)
0/x Supplying power was stopped by the overload
is displayed:
detection.
Power cannot be supplied because an overload was detected.
Check the power-receiving device or connection cables. If the
problem cannot be corrected, check the cable length and cable type
in the Hardware Instruction Manual, and replace the cables.
If devices to which PoE power can be supplied are connected, use
the configuration command to disable PoE on the
power inline
target port.
The link channel group is disabled and down.
Action
:
PoEStatus
:
PoEStatus
:
PoEStatus
Allocate(W)
. Check the amount of power being
Action
. If all ports of the
Status
, take one of the actions
Reason
is larger