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Limiting transmission bandwidth

Using the Connection Manager Transmit tab, you can set start and stop criteria along with a schedule window.

Double-Take Availability checks the schedule once every second, and if a user-defined criteria is met, transmission will start or stop, depending on the option specified.

Any replication sets from a source connected to the same IP address on a target will share the same scheduled transmission configuration.

1. Right-click the connection on the right pane of the Replication Console and select Connection Manager.

2. Select the Transmit tab. The Transmit tab contains four limit types: Bandwidth, Start, Stop, and Window. The transmission options for each limit type are displayed by highlighting a selection in the Limit Type box.

   At the top of the Transmit tab dialog box, the Enable Transmission Limiting check box allows you to turn the transmission options on or off. You can enable the transmission options by marking the Enable Transmission Limiting check box when you want the options to be applied, but you can disable the transmission options, without losing the settings, by clearing that check box.

   Also at the top of the Transmit tab dialog box, the Clear All button, when selected, will remove all transmission limitations that have been set under any of the limit types. The Clear button will clear the settings only for the Limit Type selected.

3. Select the Bandwidth option in the Limit Type box. Mark the Limit Bandwidth check box to enable the bandwidth limiting features. Define the bandwidth available for Double-Take Availability transmission by using either of the following options.

   

• Percentage—Specify the percentage of bandwidth to be used for Double-Take Availability transmissions and the total bandwidth capacity that is available.

• Transfer Rate—Specify the number of kilobits to send every second.

  The only value that is persistently stored is the number of kilobits per second. When the page is refreshed, the percentage and available bandwidth capacity may not be the same value that you entered. Double-Take Availability changes these values to the maximum values for the smallest possible link.

   

4. Click OK to save the settings.

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