Define destination cache settings for NetLinks in Outbound Multi-Link elements

Information about the performance of each NetLink is cached so that no new measurement is made if a new connection is opened to the same destination within a short time period. You can define the duration of the cached information.

  For more details about the product and how to configure features, click Help or press F1.

Steps

  1. In the Outbound Multi-Link Properties dialog box, select the Advanced tab.
  2. Deselect Default.
  3. Enter the Timeout (in seconds) after which a new measurement of NetLink performance is made.
    The default is 3600 seconds.
  4. Enter the number of Maximum Retries for checking each NetLink.
    The default is 2.
  5. Click OK.

Outbound Multi-Link Properties dialog box

Use this dialog box to define outbound multi-link properties.

Option Definition
Name Specifies the Outbound Multi-Link name.
Category Categories allow you to flexibly filter your Management Client view.
Select Opens the Category Selection dialog box.
Comment An optional comment for your own reference.
Method Defines the method for link selection.
  • Round Trip Time — The firewall periodically probes the NetLinks to test them for speed and selects the fastest available active NetLink for each new outbound connection.
  • Ratio — Traffic is distributed between all the available active NetLinks according to the relative bandwidth of each NetLink. The NetLink with the highest bandwidth is assigned the largest portion of the traffic.
Option Definition
Multi-Link Members section
NetLink Shows the selected Netlink.
Type Shows whether the Netlink is active or standby.
  • Active — Traffic is routed through the NetLink according to the Method you specify in the Outbound Multi-Link element properties.
  • Standby — Traffic is only routed through the NetLink if all primary (active) NetLinks are unavailable.
Selected Range Specifies the IP address range for dynamic source address translation (NAT) for the internal source IP addresses on this NetLink.
QoS Classes Specifies the QoS Classes for traffic handled by the NetLink.
Add Opens the Multi-Link Member dialog box.
Edit Opens the Multi-Link Member dialog box for the selected Multi-Link Member.
Remove Removes the selected Multi-Link Members.
Option Definition
QoS related settings section
Name Shows the QoS Class and the Netlink name.
NetLink Role Shows whether the NetLink is Active or Standy.
Method Shows the selected method for link selection.