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LAN/Subnet Configuration 3-5
Advanced DHCP Settings
1. Click the Advanced DHCP Server button to display a sub-screen
to further customize IP address allocation.
2. Specify the address of a Primary DNS Server. The Internet Server
Provider (ISP) or a network administrator can provide this address. A
DNS server translates a domain name, such as www.symbol.com,
into an IP address that networks can use.
3. Specify the address of a Secondary DNS Server if one is
available.
4. Specify a DHCP Lease Time period in seconds for available IP
addresses. The DHCP server grants an IP address for as long as it
remains in active use. The lease time is the number of seconds that
an IP address is reserved for re-connection after its last use. Using
very short leases, DHCP can dynamically reconfigure networks in
which there are more computers than there are available IP
addresses. This is useful, for example, in education and customer
environments where mobile-unit users change frequently. Use
longer leases if there are fewer users.
5. Use the Static Mappings table to associate static (or fixed) IP addresses with MAC addresses of specific wireless
devices. Every wireless, 802.11x-standard device has a unique Media Access Control (MAC) address. This address is
the device’s hard-coded hardware number (shown on the bottom or back). An example of a MAC address is
00:09:5B:45:9B:07.
This MAC table of specified devices provides corresponding static IP addresses for users, mobile units, and applications
that may prefer or require such access.
Configuring Subnet Access
The WS 2000 Network Management System allows the administrator to set up access rules for subnet-to-subnet and
subnet-to-WAN communication. These access rules control communication between subnets and the outside world (the
WAN). Select Network Configuration --> Firewall --> Subnet Access to get to the Subnet Access screen.