Scenario: We
want to create a network in which if one ISP fails the traffic should go
through the second ISP without our
network going down.
Note: The two ISP
lines should be in the different subnets.
Step1.
Now we will configure our WAN1 interface.
To Do so go to,
·
System->network
·
Edit for WAN1
·
Select manual and give
your ISP IP
·
Also select the services which you want
to select to mange device using this interface
·
Click OK
Step2. Similarly
define the IP for WAN2.
Step3. Now we need to
define the static route for the First ISP.
To do so go to,
·
Router à
static
·
Select Create New and give the following
details
In the option of
Gateway give the gateway IP address of your First ISP.
Step4. Similarly create a static route for the
second ISP.
Step5. Now we need to
create a policy from internal to WAN1
By default one
policy from internal to WAN1 would be there, and if not then we need to
configure it. Firewallà Policy
Step6. Similarly we also need to create the same policy through WAN2
also.
Note: By default ECMP
protocol is enabled in the firewall hence the traffic will go through both WAN
interfaces.
Step7. To configure the
Failover go to,
Systemà Network clicks
on edit for WAN1 interface.
Check the option
of Detect Interface Status for Gateway
Load Balancing gives the address of a gateway or a server.
Step8. Similarly do the
same for WAN2 interface.
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