In this section:

This section helps you to understand the Adaptive NAT pinhole learning parameters. 

To View and Edit Adaptive Learning

On SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > Sip Trunk Group > Sip Trunk Advanced > Sip Trunk - Nat Traversal - Advanced > Adaptive Learning. The Adaptive Learning window is displayed.

The Adaptive Learning can be checked for each Address Context, for each Zone, for each Sip Trunk Group created or for all the Address Contexts, Zones and Sip Trunk Groups created. Use the drop-down box to select the desired Address Context, Zone and Sip Trunk Group.

The Edit Adaptive Learning window is displayed.

Figure 1: Sip Trunk Advanced - Sip Trunk - Services - Advanced - Adaptive Learning

The following fields are displayed:

Table 1: Sip Trunk Group - Services - Nat Traversal - Adaptive Learning parameters

Parameter

Description

State

Enables/disables the adaptive nat pinhole timeout learning process for devices behind NAT. 

  • disabled (default) 
  • enabled

Max Udp Pinhole Timer

Defines the upper limit of the pinhole timeout for UDP in seconds. The value ranges from 60 to 65535 seconds and the default value is 180 seconds. 

Max Tcp Pinhole Timer

Defines upper limit of the pinhole timeout for TCP in seconds. The value ranges from 60 to 65535 seconds and the default value is 600 seconds. 

Re Learning Interval

Specifies the interval in hours at which the pinhole timeout is relearned. The default value is 24.

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

Adaptive Learning Commands

In the Adaptive Learning Commands panel, select clearStats from the drop down list.

Click Select. A pop up window appears seeking your confirmation.

Click clearStats button to confirm the action. The result of this action is displayed.

Click OK to exit the window.



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