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ServerIron ADX Firewall Load Balancing Guide 73

53-1002436-01

Configuring basic multizone FWLB

DRAFT: BROCADE CONFIDENTIAL

FIGURE 13 Basic multizone FWLB configuration

To configure ServerIron ADXs for basic multizone FWLB, perform the following tasks:

• Configure global system parameters.

These parameters include the ServerIron ADX IP address and default gateway. You also need to

globally disable the Spanning Tree Protocol (STP). Disabling STP is required for this

configuration.

• Configure global FWLB parameters:

- Globally enable FWLB.

- Identify the port connected to the router.

• Configure firewall parameters:

Define the firewalls and add them to the firewall group. Each firewall consists of a name and

the IP address of its interface with the ServerIron ADX.

WAN Router

Internal Router

SI-1

SI-2

SI-3

DMZ Router

Zone 3Zone 2

Zone 1

Internet

209.157.24.250/24

Port5

Port1

Port16209.157.24.13/24

Note: When undefined,

Zone 1 contains all

addresses not in the other

zones.

209.157.24.1/24

209.157.25.1/24

FW1

209.157.23.1/24

209.157.25.254/24

209.157.24.254/24

209.157.23.254/24

FW2

Port5

Port1

Port16

209.157.25.15/24

209.157.25.200/24

Port5

Port1

Port16

209.157.23.11/24

209.157.23.15/24

Zone 3 = 209.157.23.0/24 - 209.157.23.255/24

Zone 2 = 209.157.25.0/24 - 209.157.25.255/24