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DI-206 ISDN Remote Router
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be able to use network resources as if he were connected locally. When the user dials
into the DI-206, the call comes into the D-channel and after answering the phone, the
DI-206:
1.
Identifies the Username and Password using the authentication protocol defined in the
Interface
Configuration
,
ISDN
submenu. The dial-in user is not prompted for this information, but must
enter it into his dialing software before dialing.
2.
Checks the Username and Password against those defined in the Dial-In User Profiles and
Remote Network Profiles.
3.
Assuming a matching Dial-In User Profile is found, the router may configure the IP address of
the remote station (as defined in the Dial-In User Profile).
4.
Configures a dial-in Interface (a virtual circuit) to handle the connection.
5.
Establishes the connection on whichever B-channel (physical port) is open by mapping the dial-in
interface to that port.
6.
In the case where the Dial-In User does not need to supply a Username and Password (Auth Type
is set to
None
in the
Interface Configuration
submenu) the remote computer must have its own
IP address.
Remote Network Connections
Remote networks are defined as other networks (LANs) that have WAN connections
using a router, Internet server, network modem or similar device (in this document
however, we will assume the remote device is a router). In almost all cases, a
Remote Network Profile needs to be set up for each network that will connect to the
DI-206 via the ISDN lines. The Remote Network Profiles are necessary for the
router to identify and tailor the connection to the remote network’s router. Once this
is done, a connection between the two routers can be made and computers on each
network can communicate with each other.
Dial-In Network Connections
A dial-in network connection is very similar to a dial-in user connection. When the
remote router dials into the DI-206, the call comes into the D-channel and after
answering the phone, the DI-206:
1.
Identifies the Username and Password using the authentication protocol defined in the
Interface
Configuration
,
ISDN
submenu.
2.
Checks the Username and Password against those defined in the Dial-In User Profiles and
Remote Network Profiles.
3.
Assuming a matching Remote Network Profile is found, the router may configure the IP address
of the remote station (as defined in the Remote Network Profile).
4.
Configures the specified
ISDN Interface
(a virtual circuit) using the configuration parameters
defined in the
Interface Configuration
menu and the Remote Network Profile
to handle the
connection.
5.
Establishes the connection on whichever B-channel (physical port) is open by mapping the dial-in
interface to that port.
Dial-Out Network Connections
Dial-out network connections are much different than dial-in connections.
When a packet on the LAN reaches the router, the DI-206 will: