User's Manual

Configuring X.25 Services
1-18 117377-B Rev. 00
Figure 1-11. How IPEX Establishes Connections
TCP/IP
"local"
IPEX
(router)
"distant"
IPEX
(router)
X.25
terminal
X.25
terminal
X.25
call request
X.25
call pending
TCP connection
request
Step 1
Step 2
Step 3
X.25
call accepted
X.25
call request
Step 4
X.25
connection established
TCP
connection established
Step 5
X.25
call accepted
Step 6
X250012A