117377-A Rev. A A-1
Appendix A
Sample IPEX Configurations
IPEX Mapping Example
This sample configuration for IPEX mapping parameters (Figure A-1) illustrates
two X.25 terminals that use X.25 TCP/IP Tunneling.
Figure A-1. Sample Configuration for Mapping Parameters
In this example, the calling X.25 terminal on the left (987) sends the called
address (123) to the first IPEX router, establishing an SVC source connection with
a TCP destination connection. The call is tunneled through the TCP/IP network to
the second IPEX router, which establishes a source TCP connection with an SVC
destination connection to the X.25 terminal on the right.
Figures A-2 through A-5 show the parameter settings for full-duplex calls for this
configuration. Figures A-
2 and A-5 show the settings for 987 calling 123, and
Figures A-
4 and A-3 show the settings for 123 calling 987.
TCP/IP
"remote"
IPEX
(router)
IP address
192.168.134.111
"local"
IPEX
(router)
IP address
192.168.134.222
X.25 DCE
X.121 address is 123
X.25 DTE
X.121 address is 987
X.25 level 3
connections
X.25 level 3
connections
TCP
connections
TCP
port 15000
TCP
port 15000
X250014A
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