10
Active Host Limitation
The PIX 501 supports up to 32 DHCP address leases with a 10-user license, up to 128 with an optional
50-user license, and 256 with an unlimited user license
. A host is considered active when any of the
following statements are true:
• The host has passed traffic through the PIX Firewall during the time configured for the xlate
timeout interval
• The host has an established NAT/PAT translation through the PIX Firewall
• The host has an established TCP connection or UDP session through the PIX Firewall
• The host has an established user authentication through the PIX Firewall
Refer to the System Properties>Advanced>Timeouts online Help topic within PDM for the default
inactivity timeout values associated with each of the preceding bulleted items.
Restore the Default Configuration
You can restore your configuration back to the factory default values in one of the following ways:
• You can start the Startup Wizard at: https://192.168.1.1/startup.html
• Enter the following CLI commands:
Note The config factory-default command considers both licensing and platform in creating DHCP
pool sizes of 32, 128, or 253 for the PIX 501. A user with an unlimited license can manually
change the IP address and netmask to increase the DHCP pool size to 256.
Caution Entering the config factory-default command erases the current running configuration.
Command Description
Step 1
configure factory-default [inside
ip address [address_mask]]
1
1. If the optional inside IP address and address mask are specified, the factory-default configuration will
reflect the specified IP address.
Erases the running configuration and replaces it with
the factory default configuration.
Step 2
write memory Writes the factory default configuration to Flash
memory.
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