Cisco Catalyst 6500 Series User Manual

4-12
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide
OL-6392-01
Chapter 4 Configuring the Firewall Mode
Firewall Mode Overview
How Data Moves Through the Transparent Firewall
Figure 4-8 shows a typical transparent firewall implementation with an inside network that contains a
public web server. The FWSM has an ACL so that the inside users can access Internet resources. Another
ACL allows the outside users to access only the web server on the inside network.
Figure 4-8 Typical Transparent Firewall Data Path
The following sections describe how data moves through the FWSM:
• An Inside User Visits a Website, page 4-13
• An Outside User Visits a Website on the Inside Network, page 4-14
• An Outside User Attempts to Access an Inside Host, page 4-15
www.cisco.com
VLAN 100
VLAN 200
209.165.201.2
FWSM
209.165.201.6
Switch
Internet
209.165.200.230
Web Server
209.165.200.225
Host
209.165.201.3
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Cisco Catalyst 6500 Series Specifications

General

Brand	Cisco
Model	Catalyst 6500 Series
Category	Switch
Language	English