Ericsson W25 Betriebsanweisung PDF herunterladen (Seite 36)

Configuration and Management

If you want to change the W25 IP address, make sure that the new address

is not included in the DHCP server IP address range, displayed in the

DHCP Server section. The default range is 192.168.1.2 – 192.168.1.100.

Before you change the W25 IP address or subnet mask you also have to

make sure that the DHCP server IP address range is included in the new

subnet. If you want to change the subnet not to include the DHCP IP

address range, you first have to disable the DHCP server.

If port forwarding is configured, those settings have to be removed before

changing the W25 IP address or subnet mask. For information, see section

4.7.3 – “Port Forwarding”.

To change the W25 IP address or subnet mask, type the new value in the

corresponding field and click Apply to save the settings.

Note: If you change the LAN IP address while connected to the Ericsson

W25 web pages through a web browser, you will be disconnected.

You have to redirect the web browser to the new address in order

to confirm the new settings. Type the new LAN IP address in the

Address (URL) field and press the  key.

4.5.1 DHCP Server

The Ericsson W25 incorporates a DHCP (Dynamic Host Configuration

Protocol) server that assigns dynamic IP addresses to local clients. The IP

addresses are collected from a predefined range of available addresses.

The default address range is suitable for most local networks.

The DHCP server uses the concept of a "lease”, that is the amount of time

that a given IP address will be valid for a specific device. If the lease time

expires and the device is still connected, the lease is automatically

renewed.

The following configuration options are displayed in the

DHCP server

section on the

LAN page:

If this check box is selected the DHCP server is

working, otherwise it is turned off.

Enable DHCP server

The first IP address in a range of IP addresses

that can be assigned to the LAN clients.

IP address range

from

The last IP address in a range of IP addresses

that can be assigned to the LAN clients.

IP address range to

The IP address lease time; a value between

Lease Time [sec]

and 2147483647 seconds.

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