Siemens Gigaset-SE572 Router Manual PDF (Setup & Configuration Guide)

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66

Configuring the Advanced Settings

ì

Enter the

Local IP address

of the PC that is to be enabled as Exposed Host.

ì

Enter a name for the PC in the

Comment

field.

ì

Activate the entry by selecting the option.

ì

Click on the

Add

button to add the entry to the list.

ì

Click on the

Delete

button to delete the entry from the list.

ì

Apply the settings by clicking OK.

Dynamic DNS

Any service you provide on the Internet can be accessed by

Domain names

. Your router's

Public IP address

is assigned to this domain name. If your Internet Service Provider for

your local network's WAN connection assigns the IP address dynamically, the IP address

of the router can change. The assignment to the domain name will no longer be valid

and your service will no longer be available.

In this case you must ensure that the assignment of the IP address to the domain name

is regularly updated. This is handled by the dynamic DNS service (

DynDNS

). You can use

the DynDNS service to assign your Gigaset SE551 WLAN dsl/cable an individual static

domain name on the Internet even if it does not have a static IP address.

There are various providers on the Internet offering free DynDNS service.

The Gigaset SE551 WLAN dsl/cable uses the DynDNS service from

DynDNS.org

(http://www.DynDNS.org)

.If you use the service of this DynDNS provider, then your

service can be reached on the Internet as a subdomain of one of the DynDNS.org

domains.

Page 67 / 148

67

Configuring the Advanced Settings

If you have activated the device's DynDNS function, it will monitor its public IP address.

When this changes, it will open a connection to DynDNS.org and update its IP address

there.

ì

To use the router's DynDNS function, select

Dynamic DNS

in the

Advanced Set-

tings

–

Internet

menu.

ì

Activate the

Dynamic DNS

function.

ì

From the

Service provider

list, select the service offering dynamic DNS

(DynDNS.org or TZO.com).

ì

Enter

Domain name

,

User name

and

Password

. You will have received the neces-

sary information when registering with your

Service provider

.

ì

Click on

OK

to apply the settings.

Please remember:

You have to open an account with DynDNS.org before you can use the Gigaset SE551

WLAN dsl/cable's DynDNS function. Follow the instructions on the DynDNS.org. web-

site. Then enter the user data when configuring the router.

Page 68 / 148

68

Configuring the Advanced Settings

QoS (Quality of Service)

Many communication and multimedia applications require high speed and large band-

widths to transfer data between the local network and the Internet. However, for many

applications there is often only one Internet connection with limited capacity available.

QoS

(Quality of Service) divides this capacity between the different applications and

provides undelayed, continuous data transfer where data packets with higher priority

are given transmission preference.

ì

In the

Advanced Settings

–

Internet

menu, select the entry

QoS

.

ì

Activate

Differentiated services

, i.e. the prioritisation of certain services for data

transfer between your network and the Internet.

ì

In the field next to

Upstream rate

, enter the value for your DSL connection. The

value is determined in the contract with your Internet provider

You can determine via

Priority

which data packets are to be given preferential transmis-

sion. With the aid of

PHB

(Per Hop Behaviours) a decision is also made about whether

data packets are to be forwarded immediately before all others (

EF

, Expedited Forward-

ing), guaranteed and without data loss (

AF

, Assured Forwarding) or normally (

BE

, Best

Effort). If your application already supports QoS your application will determine the pri-

ority automatically, and this will be noted by your device for forwarding. In addition,

your device recognises certain

Predefined applications

and gives each data packet the

relevant priority. You can also determine which proportion of the bandwidth for your

Internet connection is to be made available for a certain class as

Allocated bandwidth

.

ì

Select the

Allocated bandwidth

for the

Predefined applications

and for the line

(all other applications)

.

ì

Click on

OK

to save and apply the changes.

Page 69 / 148

69

Configuring the Advanced Settings

LAN configuration

You can use the LAN configuration to define an

IP address

for the Gigaset SE551 WLAN

dsl/cable and configure the DHCP server.

ì

Select

Advanced Settings

–

Local Network

.

Defining the private IP address for the Gigaset SE551 WLAN dsl/cable

You can change the device's

IP address

in this screen. The preset IP address is

192.168.2.1. This is the

Private IP address

of the Gigaset SE551 WLAN dsl/cable. This is

the address under which the device can be reached on the local network. It can be freely

assigned from the block of available addresses. The IP address under which the

Gigaset SE551 WLAN dsl/cable can be reached from outside is assigned by the Internet

Service Provider.

ì

If you want to assign the Gigaset SE551 WLAN dsl/cable a different IP address, enter

it in the fields next to

IP address

.

ì

Select a number from the

Subnet mask

list.

We recommend using an address from a block that is reserved for private use.

This address block is 192.168.1.1 – 192.168.255.254.

Page 70 / 148

70

Configuring the Advanced Settings

Configuring the DHCP server

The Gigaset SE551 WLAN dsl/cable has a

DHCP Server

for which the factory setting is

active. As a result, the IP addresses of the PCs are automatically assigned by the

Gigaset SE551 WLAN dsl/cable.

ì

To activate the DHCP server, select

On

.

ì

If the DHCP server is active, you can define a

Lease time

. The

Lease time

determines

the period for which the PCs keep the IP address assigned to them without changing

them.

ì

Define the range of IP addresses which the Gigaset SE551 WLAN dsl/cable should

use to automatically assign IP addresses to PCs. Define the

First issued IP address

and the

Last issued IP address

.

ì

You can define the name of a domain (Windows workgroup) in the

Domain name

field.

Assigning static IP addresses to individual PCs

Even if you have activated the DHCP server you can still assign individual PCs a static

IP address (e.g. if you are setting up these PCs for NAT functions).

ì

Enter the

MAC address

and the name of the PC in the

Device name

field.

ì

Enter the

IP address

you wish to assign to the PC in the field below.

ì

Click on the

Add

button to add the entry to the list.

ì

Click on the

Delete

button to delete the entry from the list.

ì

Apply the settings by clicking OK.

Please remember:

New settings can only be made after rebooting the Gigaset SE551 WLAN dsl/cable.

If necessary, reconfigure the IP address on your PC (including one that is statically

assigned) so that it matches the new configuration.

Please remember:

u

If the DHCP server for the Gigaset SE551 WLAN dsl/cable is activated, you can con-

figure the network setting on the PC so that the option

Obtain an IP address

automatically

is set. To find out how to do this, please read the document enti-

tled “Network configuration” on the CD.

u

If you deactivate the DHCP server, you will have to assign a static IP address for

the PCs using the network settings.

Please remember:

If you select the

Never expires

option, the IP addresses are never changed.

You must select this option if you want to make NAT or firewall settings using the

IP addresses of the PCs, or else you must assign these PCs static IP addresses.

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