Advantech EKI-7720 Series, Руководство пользователя

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74 EKI-7720 Series User Manual
The ensuing table for Information settings are informational only: Ring ID, Mode,
Role, Operation State, Port 1, Forwarding State, Port 2, Forwarding State and Delete
(click to delete the desired Ring ID).
4.5.13 Loopback Detection
The Loopback Detection function is used to detect looped links. By sending detection
frames and then checking to see if the frames returned to any port on the device, the
function is used to detect loops.
4.5.13.1 Global Settings
The Global Settings page allows you to configure the state (enabled or disabled) of
the function, select the interval at which frames are transmitted and the delay before
recovery.
To access this page, click
L2 Switching > Loopback Detection > Global Settings .
Figure 4.94 L2 Switching > Loopback Detection > Global Settings
The following table describes the items in the previous figure.
To access this page, click L2 Switching > Loopback Detection > Loopback Detec -
tion Global Information .
The following figure displays the Loopback Detection Global Information settings.
Figure 4.95 L2 Switching > Loopback Detection > Loopback Detection Global
Information
4.5.13.2 Port Settings
The Port Settings page allows you to select ports that are detected by the loopback
detection function and configure their status (enabled or disabled).
Master Ring ID Click the drop-down menu to designate the master ring.
Add Click Add to save the values and update the screen.
Item Description
Item Description
State Select Enabled or Disabled to setup the loopback mode.
Interval Enter the variable in seconds (1 to 32767) to set the interval at which
frames are transmitted.
Recover Time Enter the variable in seconds (60 to 1000000) to define the delay
before recovery.
Apply Click Apply to save the values and update the screen.