Vega LUCOM EDGE router ER75i v2 SL USER’S GUIDE Manuel d'utilisateur télécharger pdf (Page 48)

CONFIGURATION

Attention! We recommend checking the GPRS connection in case of uninterrupted

running.

Annotation:

• MTU (Maximum Transmission Unit) – it is the identifier of the maximum size

of packet, which is possible to transfer in a given environment.

• MRU (Maximum Receiving Unit) – it is the identifier of the maximum size

of packet, which is possible to receive in a given environment.

Default value is 1500 bytes.

Other settings may cause incorrect transmission of data.

6.10. Firewall Configuration

By the help of a firewall it is possible to set IP addresses from which are possible

to remotely access the router. The choice Allow remote access only from specified hosts

is given for easier configuration of hosts. In this firewall configuration it is possible to set up

to four remote accesses by the help of Source, Source IP Address, Protocol and Target Port.

Parameter Source defines if access is allowed to one IP address which is defined

by Source IP Address, or every IP addresses. In menu Protocol it is possible to specify

protocol for remote access, it is possible to allow all protocols (all), or only one protocol UDP,

TCP

or ICMP. By parameter Target Port it is possible to specify a port number.

The changes in settings will apply after pressing the Apply button.

Caution! Firewall doesn’t filter via Ethernet.

LUCOM GmbH * Ansbacher Str. 2a * 90513 Zirndorf * Tel. 09127/59 460-10 * Fax. 09127/59 460-20 * www.lucom.de

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Vega LUCOM EDGE router ER75i v2 SL USER’S GUIDE Manuel d'utilisateur Page 48