Using The Transparent Firewall In Your Network - Cisco Catalyst 6500 Series Configuration Manual

Firewall Mode Overview

Using the Transparent Firewall in Your Network

Figure 4-7
subnet as the inside devices, the VLANs are different. The inside router and hosts appear to be directly
connected to the outside router. However, no traffic can bypass the FWSM because it must route
between the two VLANs.
Figure 4-7
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide
4-10
shows a typical transparent firewall network. While the outside devices are on the same
Transparent Firewall Network
Internet
Switch
10.1.1.1
VLAN 100
FWSM
10.1.1.2
VLAN 200
10.1.1.3
192.168.1.2
Network B
Chapter 4
Network A
Configuring the Firewall Mode
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