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Examples of Typical ISDN Networking Applications
1-43
IP Host on the Same IP Network
If your organization operates a TCP/IP network and needs to extend the
IP network over geographically remote sites, it is possible to bridge the
network using the AccessBuilder 500. It is only possible to bridge where
both sites have the same network address and the devices are on the
same subnet. In a class C IP address, the network address is the first three
groups of numbers. For example:
192.000.000.xxx
where
xxx
represents the host ID of the individual devices on the subnet.
See
“IP Addresses”
in
Appendix A
for more information about addresses.
Typically IP bridging would be used to connect a back office or home
office into a main site. Any further network connections would be
carried out from the main site. An example of such a network is shown
in
Figure 1-22
.
During configuration, you enter the ISDN number and the IP addresses
of any hosts to which you want to connect. In the example in
Figure 1-22
, the IP address of the host 191.000.000.100 is used and only
when data destined for this device is received by the AccessBuilder 500,
is a call made to the remote site.
Figure 1-22
IP Bridged Network