TCP/IP Information
Copyright (C) 1997, 1998 by International Business Machines Corporation

DHCP Server Configuration

Miscellaneous tab

Use this notebook tab to set server parameters not set elsewhere.

Fields and check boxes include:

Client support

Support BootP clients
Check this box to provide DHCP server support for BootP clients (supportBootp keyword). If this box is not checked, the server will not respond to requests from BootP clients.

If the server previously supported BootP clients and has been reconfigured to not support BootP clients, the address binding for any BootP client that was established before the reconfiguration will be maintained until the BootP client sends another request (when it is restarting). At that time, the server will not respond and the binding will be removed.

Unlisted client support
Use these radio buttons to identify which unlisted clients will be supported:

Support unlisted DHCP clients
If the box is checked, the server responds only to requests from any DHCP client (supportUnlistedClients keyword DHCP).

Support unlisted BootP clients
If the box is checked, the server responds only to requests from any BootP client (supportUnlistedClients keyword BOOTP).

Support both unlisted DHCP and BootP clients
If the box is checked, the server responds to requests from any DHCP client or BootP (supportUnlistedClients keyword BOTH).

Support listed clients only
If the box is checked, the server responds only to requests from DHCP or BootP clients (supportUnlistedClients keyword NO) specifically listed (by client ID) in the configuration file.

Broadcasting for Bridged Token Ring Environments

All routes broadcast
Check this box to have the DHCP server broadcast all replies (allRoutesBroadcast keyword).

Single route broadcast
Check this box to have the DHCP server use the routing information field on the incoming packet from a DHCP client to broadcast replies. Otherwise, single route broadcast is used to send replies. For example, use single-route broadcast for bridged token-ring networks that implement a spanning-tree algorithm.

Match user class to vendor class

Serve user class options when the same vendor class identified is passed from the client.
When this box is checked, the DHCP server serves user class options when a user class matches the vendor class passed by the client. Otherwise, the DHCP server serves user class options only if the client passes the user class option in its request.


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