Netopia 4541, 4542

8-14 User’s Reference Guide

Numerous factors inﬂuence the choice of served address. It is difﬁcult to specify the address that will be

served to a particular client in all circumstances. However, when the address ser ver has been conﬁgured, and

the clients involved have no prior address serving interactions, the Netopia 4541/4542 will generally serve the

ﬁrst unused address from the ﬁrst address pool with an available address. The Netopia 4541/4542 starts

from the pool on the ﬁrst row and continues to the pool on the last row of this screen.

Once the address server and/or the clients have participated in address ser ving transactions, different rules

apply:

■When requesting an address, a client will often suggest an address to be assigned, such as the one it was

last served. The Netopia 4541/4542 will attempt to honor this request if the address is available. The

client stores this address in non-volatile storage, for example, on disk, and the speciﬁc storage

method/location differs depending on the client operating system.

■When requesting an address, a client may provide a client identiﬁer, or, if it does not, the Netopia

4541/4542 may construct a pseudo-client identiﬁer for the client. When the client subsequently requests

an address, the Netopia 4541/4542 will attempt to serve the address previously associated with the

pseudo-client identiﬁer. This is normally the last address served to the client.

■Otherwise, the Netopia will select the least-recently used available address, starting from the ﬁrst address

in the ﬁrst pool and ending with the last address in the last pool.

Note: The address serving pools on this screen are tied to the IP subnets conﬁgured on the IP Subnets screen.

Changes to the IP Subnets screen may affect this screen. In particular, deleting a subnet on the IP Subnets

screen will delete the corresponding address serving pool, if any, on this screen.