Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
Edge:
This field appears only when you select u-Chain type. Select the checkbox to set the selected port as a u-Chain
edge port.
Determining a Master and blocking a port
u-Ring
u-Chain
Sub-Ring
Step 1.
Determining
a Master
●
Manually select the
Master in a ring.
●
If several devices are set
to Master, the u-Ring
redundancy protocol
decides the Master in a ring
depending on devices’ MAC
address. The device with the
biggest MAC address
becomes the Master in a
ring.
●
If no device in a ring is
set to Master, the u-Ring
redundancy protocol
decides the Master in a ring
depending on devices’ MAC
address. The device with the
biggest MAC address
becomes the Master in a
ring.
●
Manually select the Master in
a ring.
●
The device with a configured
edge port
that has the
biggest
MAC address
is selected as the
Master.
●
If the Master is mis-assigned
to the device that does not have
an edge, the u-Ring redundancy
protocol will ignore this mis-
configuration.
Note: When selecting u-Chain
type, only the devices with an
edge port or edge ports are
eligible to be elected as the
Master.
●
Manually select the Master in
a ring.
●
If several devices are set to
Master, the u-Ring redundancy
protocol decides the Master in
a ring depending on devices’
MAC address. The device with
the
biggest MAC address
becomes the Master in a ring.
●
If no device in a ring is set to
Master, the u-Ring redundancy
protocol decides the Master in
a ring depending on devices’
MAC address. The device with
the
biggest MAC address
becomes the Master in a ring.
Step 2.
Blocking a
port
The port with
higher port
number
in Master device is
blocked.
●
The edge port in Master
device is blocked.
●
If the Master has two edge
ports, the port with
higher port
number
is blocked.
The port with
higher port
number
in Master device is
blocked.
Example
4.7.1.2 Status
Instance:
The instance number.
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