Cisco Cisco IPS 4520 Sensor Libro bianco

Firewall

August 2012 Series

Step 13:

Select

Monitored

, and then click

Apply

Next, you will edit the default route to the primary Internet CPE’s address.

Step 14:

Navigate to

Configuration > Device Setup > Routing > Static

Routes.

Step 15:

Select the default route created in Step 20, and click

Edit

Step 16:

In the Edit Static Route dialog box, in the

Options

pane, select

Tracked

Step 17:

In the

Track ID

box, enter

Step 18:

In the

Track IP Address

box, enter an IP address in the ISP’s

cloud. (Example: 172.18.1.1)

Step 19:

In the

SLA ID

box, enter

Step 20:

In the

Target Interface

list, select the primary Internet connection

interface, and then click

. (Example: outside-16)

Step 21:

On the Information dialog box, click

Next, you will create the secondary default route to the resilient Internet
CPE’s address.

Step 22:

Configuration > Device Setup > Routing > Static Routes

, click

Add

Step 23:

In the Add Static Route dialog box, in the

Interface

list, select

the resilient Internet connection interface created in Step 6. (Example:
outside-17)

Step 24:

In the

Network

box, enter

0.0.0.0/0.0.0.0

Step 25:

In the

Gateway IP

box, enter the primary Internet CPE’s IP

address. (Example: 172.17.130.126)