Visara CNA-8000 Planning Guide - Manual (Page 32)

Chapter 3. Integrated Data Link Switching
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VTAM CNA-8000
DLSw Router PU
IP connection initiated by either side
--------------------------------------------------
Poll
--------------
Test Can You Reach (exploratory)? +Rsp
<---------------------
----------------------------------------------------- --------------
+ Test Rsp I Can Reach (exploratory) XID Req
-------------------- ----------------------------------------------------- --------------
Can You Reach (Circuit Start)
Null XID
---------------------------------------------------- -------------
I Can Reach (Circuit Start)
-----------------------------------------------------
Reach
Ack
-----------------------------------------------------
Null XID XID Frame
------------------- -----------------------------------------------------
XID XID Frame XID
------------------- ----------------------------------------------------- --------------
XIDs XIDs XIDs
---------------- -------------------------------------------------- -----------
XID Recognized
SABME
CONTACT SNRM
------------------- ----------------------------------------------------- --------------
UA
CONTACTED UA
------------------ ---------------------------------------------------- -------------
SNA Activation IFRAMES SNA Activation
------------------- ----------------------------------------------------- -----------------
IP IP
Router
CNA-8000
IP
IP
SNA PU2
SDLC
ESCON
VTAM
Switched
Node
Definitions