Cisco ISA500 Series Administration Manual page 132

Networking
Configuring the DMZ
STEP 4
STEP 5
STEP 6
Cisco ISA500 Series Integrated Security Appliance Administrator Guide
In the DHCP Pool Settings tab, choose the DHCP mode from the DHCP Server
drop-down list.
• Disable: Choose this option if the computers on the DMZ are configured with
static IP addresses or are configured to use another DHCP server.
• DHCP Server: Allows the security appliance to act as a DHCP server and
assigns IP addresses to all devices that are connected to the DMZ. Any new
DHCP client joining the DMZ is assigned an IP address of the DHCP pool.
• DHCP Relay: Allows the security appliance to use a DHCP Relay. If you
choose DHCP Relay, enter the IP address of the remote DHCP server in the
Relay IP field.
If you choose DHCP Server as the DHCP mode, enter the following information:
• Start IP: Enter the first IP address in the DHCP range.
• End IP: Enter the last IP address in the DHCP range. Any new DHCP client
joining the DMZ is assigned an IP address between the Start IP address and
the End IP address.
The Start and End IP addresses must be in the same subnet with the
NOTE
DMZ's subnet IP address .
• Lease Time: Enter the maximum connection time that a dynamic IP address
is "leased" to a network user. When the time elapses, the user will be
automatically renewed the dynamic IP address.
• DNS 1: Enter the IP address of the primary DNS server.
• DNS 2: Enter the IP address of the secondary DNS server.
• WINS 1: Enter the IP address for the primary WINS server.
• WINS 2: Enter the IP address of the secondary WINS server.
• Domain Name: Enter the domain name for the DMZ.
• Default Gateway: Enter the IP address of default gateway.
In the IPv6 Setting tab, specify the IPv6 addressing for the DMZ if you enable the
IPv4/IPv6 mode.
• IPv6 Address: Enter the IPv6 address based on your network requirements.
• IPv6 Prefix Length: Enter the number of characters in the IPv6 prefix.
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