Lancom 1821n Wireless Manual page 52

Additional to Plain Ethernet: Your own public IP address with net
mask (not to be confused with the private LAN IP address), default
gateway and DNS server. If the provider supports DHCP you can auto-
matically retrieve these IP parameters.
User name and password
ISDN
Dial-in telephone number
User name and password
Other connection options
In addition you can use the Wizard to activate or deactivate additional options
(if supported by your Internet provider):
Billing by time or flatrate – select the method by which you are billed by
your Internet provider.
In case of billing by time, you can set the LANCOM to cut connections
automatically if no data flows for a certain time (the hold time).
You can also set up line polling that detects inactive remote sites very
quickly and, in such cases, can close the connection before the hold
time expires.
In case of flatrate billing you can also set up line polling to monitor
the function of the remote site.
Apart from that you can opt to keep flatrate connections permanently
active ("keep-alive"). In case a connection should fail, it is re-estab-
lished automatically.
Dynamic channel bundling (ISDN only)
If required, the second ISDN B-channel can be activated and added
to the connection. The result is that bandwidth is doubled. However,
under certain circumstances the connection fees may double as well.
Furthermore your ISDN connection would be engaged, so preventing
any other incoming or outgoing telephone calls from being made.
Data compression (ISDN only)
This enables data transfer rates to be increased even further.
Creating a backup connection to the Internet
The most common utilization of the backup solution is to provide an auxiliary
Internet connection. When setting up an Internet connection, an the additio-
nal option is to create a second connection to the Internet via an alternative
LANCOM 1811n Wireless – LANCOM 1821n Wireless
Chapter 4: Setting up Internet access
51