H3C Technologies H3C SecBlade LB Cards - Manual (Page 85)

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Table 6 Configuration items
Item Description
Enable Stateful Failover
Enable/disable the stateful failover feature.
IMPORTANT:
The configuration items are available only after you select the Enable Stateful
Failover box.
Session Failover
Enable/disable the session failover function.
IMPORTANT:
To enable stateful failover for NAT and ALG services, you must enable session
failover.
Asymmetric Path
Select whether to support asymmetric path.
• Do not select the Asymmetric Path box if sessions enter and leave the internal
network through one device.
• Select the Asymmetric Path box if sessions may enter and leave the internal
network through different devices.
IMPORTANT:
This setting must be consistent on both devices. The configuration synchronization
function supports synchronization of this setting.
Main Device for
Configuration
Synchronization
Specify the local device as the active device during configuration synchronization.
If the box is not selected, the local device serves as the standby device during
configuration synchronization.
Auto Synchronization
Select this box to enable auto synchronization when the local device serves as the
active device in configuration synchronization.
IMPORTANT:
You must enable auto synchronization for the active device; otherwise, the device
cannot perform configuration synchronization.
Backup Interface Displays the failover interface.
Modify Backup Interface
Click Modify Backup Interface to enter the Backup Interface Configuration page,
and then you can do the following:
• Select one or more interfaces from the Optional Backup Interface(s) list, and
then click the << button to add the selected interfaces to the Backup Interface(s)
list.
• Select one or more interfaces from the Backup Interface(s) list, and then click
the >> button to remove the selected interfaces from the list.
After completing the settings, click Apply to return to the stateful failover
configuration page.
IMPORTANT:
• You can configure a maximum of two failover interfaces.
• If you click Modify Backup Interface before clicking Apply, the configurations
you have made on the stateful failover configuration page will be lost.