Cisco D9824 Installation And Configuration Manual page 272

Chapter 5 Web GUI Setup and Monitoring
Choose Manual Data1 or Manual Data2 to only use DATA1 (port 1) or DATA2
(port 2) for output data. The remaining redundancy controls below are not
applicable.
Choose Backup: Primary Data1 (default) or Backup: Primary Data2 to use port 1
or port 2 as the primary data port and if a physical connectivity loss occurs, it
will failover to port 2 or port 1 (the backup port).
Choose Mirroring to send the same data to both port 1 and port 2. The remaining
redundancy controls below are not applicable.
3 If Backup: Primary Data1/Data2 is selected as the Mode, choose the redundancy
Direction. Select Revertive to attempt to revert back to the primary port when
using the backup port and the primary port is active again. Choose Non-
Revertive to always use the backup port, regardless of the condition of the
primary port.
4 In the Delay Forward field, set the time to switch the data port after the system
detects a failure, in a range from 0 to 10000 milliseconds.
5 In the Delay Back field, set the time to wait when reverting back to the primary
port once the primary link is active again, in a range f rom 1 to 120 seconds.
Note: If Non-Revertive is selected as the Direction, this field does not apply.
6 Click Apply.
Viewing the Redundancy Status
The Redundancy Status table displays the latest redundancy status change.
The Ports In Use column displays the current output port in use (Data1 or Data2),
the Change Reason column displays a description of the reason for the last
redundancy status change (Link or Setup+Link), and the Change Date & Time
column displays the last date and time the redundancy status changed.
Viewing the Link Status
The Link Status table displays the port information, such as the status speed,
duplex, and crossover. Port 1 is the management port and port 2 is the data port.
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