background image

OPTION 

    A    VIRTUAL WIRE DEPLOYMENT

The default configuration of the PA-3000 Series firewall is a virtual wire between ports 1 and 2, which enforces 
security policies. No configuration is required for this basic setting. Proceed to Performing the Final Setup.

 OPTION

     C    LAYER 3 DEPLOYMENT

CONFIGURE THE INTERFACES

 

Obtain two IP addresses for ports 1 and 2 on the PA-3000 Series firewall from your network 
administrator. This example uses IPv4 addresses; IPv6 is also supported.

 

Select 

Network > Interfaces

, click 

ethernet1/1 

and select 

Layer 3

 from the 

Interface Type

 drop-

down.

 

Click the 

IPv4

 tab and select 

Static

. Click 

Add

 in the 

IP

 field and enter the IP address and subnet 

mask for port 1 in the 

IP

 field. For example, 10.1.1.1/24.

 Click 

OK 

to save the changes. 

 Select 

ethernet1/2

 and select 

Layer 3 

from the 

Interface Type

 drop-down.

 

Click the 

IPv4

 tab and select 

Static

. Click 

Add

 in the 

IP

 field and enter the IP address and subnet 

mask for port 2 in the 

IP

 field. For example, 10.1.2.1/24.

 Click 

OK

 to save the changes. 

CONFIGURE THE SECURITY ZONES

 

Select 

Network > Zones

 and 

Add

 a new zone. Enter 

trust as the 

Name

 and select 

Layer 3

 as the 

Type

.

 

In the 

Interfaces

 section, click 

Add

, select 

ethernet1/2

 and then click 

OK

.

 

Add

 another zone named 

untrust  and choose 

Layer3

 from the 

Type

 drop-down list.

 

In the 

Interfaces

 section, click 

Add

, select 

ethernet1/1

 and then click 

OK

.

CONFIGURE THE VIRTUAL ROUTERS

 

You must assign a virtual router to all Layer 3 interfaces (including the loopback interface) to enable 
routing. 

 

Select 

Network > Virtual Routers

 and then click 

default

 

In the 

Interfaces

 section, click 

Add 

and add 

ethernet1/1

 and 

ethernet1/2

.

 

Add a default route by clicking the 

Static Routes

 tab and click 

Add

. Enter a 

Name 

for the static route 

and enter a route in the

 Destination 

field (for example, 0.0.0.0/0).

 

      Add static routes and other routing protocols as needed and click 

OK

 when finished. 

 

 

Commit

 the configuration and proceed to Performing the Final Setup.

 OPTION

   B    LAYER 2 DEPLOYMENT

 

CONFIGURE THE INTERFACES

 Select 

Network > Interfaces

 and click the 

Ethernet

 tab.

 Click 

ethernet1/1

 and select 

Layer 2

 from the 

Interface Type

 drop-down and then click 

OK

.  

 Click 

ethernet1/2 

and select 

Layer 2

 from the 

Interface Type

 drop-down and then click 

OK

.

CONFIGURE THE SECURITY ZONES

 Select 

Network > Zones

 and 

Add

 a new zone. Enter 

trust as the 

Name

 and select 

Layer 2

 as the 

Type

.

 

In the 

Interfaces

 section, click 

Add

 and select 

ethernet1/2

 and then click 

OK

.

 

Add another zone named 

untrust  and choose 

Layer2

 from the 

Type

 drop-down.

 

In the 

Interfaces

 section, click 

Add

 and select 

ethernet1/1

 and then click 

OK

.

CONFIGURE THE VLANS

 Select 

Network > VLANs

 and then click 

Add

 and name the new VLAN 

vlan-1.

 

In the 

Interfaces

 section, click 

Add 

and add 

ethernet1/1

 and 

ethernet1/2

 and then click 

OK

.

 

Commit

 the configuration and proceed to Performing the Final Setup.

Choose a Deployment Option

  OPTION A: Virtual Wire deployment

—Choose this option to transparently place the PA-3000 Series firewall 

between two devices where no routing, switching, or NAT is required. 

  OPTION B: Layer 2 deployment

—Choose this option to deploy the PA-3000 Series firewall in a Layer 2 

environment where switching is required. 

  OPTION C: Layer 3 deployment

—Choose this option to deploy the PA-3000 Series firewall in a Layer 3 

environment where routing and NAT are required. 

1

2

3

4

5

6

7

8

10

11

12

13

14

15

ethernet1/2

ethernet1/1

   User

Network

Internet

PA-3000 Series

 

9

PREREQUISITE 

    LAYER 2 AND LAYER 3 DEPLOYMENTS

To deploy the firewall in Layer 2 mode (option B) or Layer 3 mode (option C), you must first delete the default virtual 
wire configuration in the following order:

      To delete the default security policy, select 

Policies > Security

, select 

rule1, and click 

Delete

.

      Next, delete the default virtual wire by selecting 

Network > Virtual Wires

, selecting the virtual wire and 

clicking 

Delete

.

 

To delete the default trust and untrust zones, select 

Network > Zones

, select each zone and click 

Delete

.

 

Finally, delete the interface configuration by selecting 

Network > Interfaces

 and then select each  

interface (ethernet1/1 and ethernet1/2) and click 

Delete

.

 

Commit

 the changes and continue to Option B Layer 2 Deployment or Option C Layer 3 Deployment.

1

2

3

4

5

1

2

3

4

5

6

7

8

10

9

16

Reviews: