Lucent Technologies 6000 - Manual (Page 383)

Configuring IP Routing
Configuring system-level routing policies
MAX 6000/3000 Network Configuration Guide 9-19
If the address is in the correct format, the system places it in the table and prompts you for
another entry.
5 When you are finished editing, type the letter O and press Enter when the editor prompts
you for another entry.
Deleting an entry from the local DNS table
To delete an entry from the local DNS table:
1 At the terminal-server interface, enter:
dnstab edit
The DNS table appears
2 Type the number of the entry you want to delete and press Enter.
3 Press the spacebar, then press Enter.
Configuring DHCP services
A MAX performs a number of Dynamic Host Configuration Protocol (DHCP) services,
including responding to DHCP requests to borrow IP addresses, managing Plug and Play
requests, and DHCP spoofing.
A MAX can respond to DHCP requests for up to 43 clients at any given time. DHCP server
responses provide an IP address and subnet mask. You can define two address pools of up to 20
IP addresses each. Additionally, up to three hosts, identified by their MAC (Ethernet)
addresses, can each have an IP address reserved for its exclusive use.
The Plug and Play management feature responds to requests for TCP/IP configuration settings
from computers using Microsoft Windows 95 or Windows NT.
A DHCP spoofing response supplies a temporary IP address for a single host. The IP address
supplied is always one greater than that of the MAX user. The IP address is good for only 60
seconds—just long enough to enable a security-card user to acquire the current password from
an ACE or SafeWord server and bring up an authenticated dial-up session. Once the MAX
establishes the dial-up session, an official IP address can be retrieved from a remote DHCP or
BOOTP server. The ability to retrieve an IP address, together with Network Address
Translation (NAT), enables a single computer to connect to a remote network that assigns IP
addresses dynamically.
How the MAX assigns IP addresses when acting as a DHCP server
When you configure a MAX to be a DHCP server and it receives a DHCP client request, it
assigns an IP address by means of Plug and Play, reserved address, lease renewal, or
assignment from a pool.
Plug and Play
When you enable the Plug and Play option (set DHCP PNP Enabled to Yes), the MAX takes its
own IP address, increments it by one, and returns it in the BOOTP reply message along with IP
addresses for the Default Gateway and Domain Name Server. Plug and Play works with
Microsoft Windows 95 (and possibly with other IP stacks) to assign an IP address and other
Wide Area Networking settings to a requesting device automatically. With Plug and Play you