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Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide
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Chapter 4 Configuring the Firewall Mode
Setting the Firewall Mode
Setting the Firewall Mode
You can set the FWSM to run in routed firewall mode (the default) or transparent firewall mode.
For multiple context mode, you can use only one firewall mode for all contexts. You must set the mode
in the system configuration.
When you change modes, the FWSM clears the configuration because many commands are not
supported for both modes. If you already have a populated configuration, be sure to back up your
configuration before changing the mode; you can use this backup for reference when creating your new
configuration. See the “Backing Up the Configuration” section on page 16-7 for more information.
If you download a text configuration to the FWSM that changes the mode with the firewall transparent
command (see below), be sure to put the command at the top of the configuration; the FWSM changes
the mode as soon as it reads the command and then continues reading the configuration you downloaded.
If the command is later in the configuration, the FWSM clears all the preceding lines in the
configuration.
• To set the mode to transparent, enter the following command in the system execution space:
FWSM(config)# firewall transparent
This command also appears in each context configuration for informational purposes only; you
cannot enter this command in a context.
• To set the mode to routed, enter the following command in the system execution space:
FWSM(config)# no firewall transparent
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