HP OfficeConnect Firewall Series Manuel d'utilisateur télécharger pdf (Page 93)

OfficeConnect VPN Firewall User’s Manual Chapter 14. Configuring IPSec VPN

13 Configuring WAN Load-

Balancing & Failover

13.1 Introduction

WAN Load-Balancing and Failover allows user to select one of the WAN

interfaces as a backup WAN port. If the primary WAN port is down or

unavailable, all outbound traffic can be switched to the selected backup WAN

port. Moreover, OfficeConnect Gigabit VPN Firewall also allows user to configure

WAN Load-Balancing to dividing outbound traffic flows between the two WAN

ports so that user can be able to fully utilize the available bandwidth.

13.2 Configuring WAN Failover

The configuration parameters for the WAN Failover are shown in the following

table.

Table 13.1 WAN Failover Configuration Parameters

Field

Description

Connectivity Check

This option is available under both ―Load balancing‖

and ―Rollover‖ mode and mandatory for ―Rollover‖.

Connectivity check is used to monitor the link status

for the WAN ports by sending PING request packets

periodically to the configured IP address.

Enable Connectivity

Check

To enable the connectivity check, please tick this

check box.

Field

Description

Check Interval

The interval that the router sends PING request

packets at. The allowable value is 1 to 60 seconds.

Check IP Address

Enter the IP address of the specific network device

that the traffic will pass through. This field is optional.

Normally, you don't need to provide any IP address

here, unless you know the traffic must pass a specific

network device. If this field is absent, the route will

send PING request to gateway IP address to monitor

the link status.

Gateway IP

Address

The gateway IP address. Please note that this field is

read-only.

Link Status

Display the current WAN link status.

Rollover Settings

A rollover process means a change to default

gateway. Only one WAN link is active at a time when

in the rollover mode. When the primary WAN has lost

physical connection, the configurable backup WAN

links must be able to take over. Besides, anytime

when a used WAN lost its connection, the rollover

process will chose a link that has been up for the

longest time to take over the lost WAN link. This

operation is transparent to all hosts on the LAN side

although the users may experience slight service

interruption. During the rollover process, all services

must be re-negotiated. This includes Dynamic DNS,

and any VPN tunnels/policies.

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HP OfficeConnect Firewall Series Manuel d'utilisateur Page 93

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