Appendix

Symptom

Possible cause and solutions

 

 

The Gigaset SE551 WLAN

ì Make sure that TCP/IP has been installed and con-

dsl/cable or other PCs can-

figured on all the PCs on the local network.

not be reached by a PC in the

ì Check that the IP addresses have been properly

connected LAN with a ping

configured. In most cases you can use the

command.

Gigaset SE551 WLAN dsl/cable's DHCP function to

 

 

assign dynamic addresses to the PCs in the LAN. In

 

this case, you have to configure the TCP/IP settings

 

of all the PCs so that they obtain the IP address

 

automatically.

 

If you configure the IP addresses in the LAN

 

manually, remember to use the subnet mask

 

255.255.255.x. This means that the first three

 

parts of the IP address on each PC and the

 

Gigaset SE551 WLAN dsl/cable have to be identical.

 

The device also has to be configured as DNS server.

 

 

No connection to the

ì Use the ping command to check whether you can

Gigaset SE551 WLAN dsl/

establish a network connection to the Gigaset

cable's configuration envi-

SE551 WLAN dsl/cable.

ronment.

ì Check the network cable between the PC you

 

want to use to administer the device and the

 

Gigaset SE551 WLAN dsl/cable.

 

ì If the PC you want to use is on the device's local

 

network, make sure that you are using the correct

 

IP address administration (see above).

 

ì If the PC you want to use is not on the router's local

 

network it must be authorised via Remote Manage-

 

ment.

 

 

Password forgotten or lost

ì Reset the Gigaset SE551 WLAN dsl/cable

 

(see page 18).

 

Warning: Please bear in mind that this will restore all

 

the configuration settings to the factory settings.

 

 

You cannot access a

ì Make sure that TCP/IP has been installed and con-

resource (drive or printer)

figured on all the PCs on the local network and that

on a different PC.

the PCs all belong to the same workgroup.

 

ì Check whether the resource has been released on

 

the PC in question and whether you have the nec-

 

essary access rights.

 

ì Printing: check whether the printer has been set up

 

as a network printer.

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