Visara CNA-8000 Planning Guide - Manual (Page 5)

CNA-8000 Migration and Planning Guide
707156-002 v
Table of Contents
Revision History ................................................................................................................ iii
Table of Contents.................................................................................................................v
Introduction....................................................................................................................... vii
Chapter 1. CNA-8000 Overview ..................................................................................... 1-1
Target Market.............................................................................................................. 1-1
The CNA-8000 Hardware Platform............................................................................ 1-1
TN3270 Gateway Server............................................................................................. 1-2
SNA Gateway Feature ................................................................................................ 1-2
Migrating from Token Ring to Ethernet ..................................................................... 1-2
Using Multiple CNA-8000 Platforms for SNA Disaster Recovery............................ 1-3
Providing Backup Strategies for OSA’s ..................................................................... 1-3
Token Ring Option when a Token Ring OSA is not Available.................................. 1-3
Integrated DLSw Support ........................................................................................... 1-3
SDLC PU2 Platform Support...................................................................................... 1-3
True Migration Strategies ........................................................................................... 1-4
CNA-8000 Features .................................................................................................... 1-4
Chapter 2. Support for PU2 Platforms............................................................................. 2-1
CIP/CPA and IBM Replacement Considerations ....................................................... 2-2
3745 Replacement Considerations.............................................................................. 2-2
3174/1174/1374 Replacement Considerations ........................................................... 2-2
XCA Gateway Operation............................................................................................ 2-3
Using Multiple XCA Paths ......................................................................................... 2-4
Migrating from a Mixed Ethernet/Token Ring Environment to Ethernet Only ......... 2-6
Bit-Swapping LAN Addresses.................................................................................... 2-7
IOCDS Gen Requirements.......................................................................................... 2-8
VTAM Switched Major Node Definition ................................................................. 2-10
Chapter 3. Integrated Data Link Switching ..................................................................... 3-1
Directing Traffic Through the CNA-8000.................................................................. 3-3
Multiple Circuits from the Same DLSw Node ........................................................... 3-4
To be Promiscuous or Not .......................................................................................... 3-4
DLSw Circuit Establishment ...................................................................................... 3-5
Configuration Aids for Downstream Cisco Routers................................................... 3-7
Chapter 4. Migrating from Cisco CIP/CPA..................................................................... 4-1
Host Gens.................................................................................................................... 4-2
Client Configurations.................................................................................................. 4-2
ESCON to FICON Migration ..................................................................................... 4-3
Chapter 5. Migrating from 1174 or 3174......................................................................... 5-1
Sample Network with 1174 ........................................................................................ 5-1
Transitioning to the CNA-8000 .................................................................................. 5-4
New VTAM XCA Definitions.................................................................................... 5-5
New VTAM Switched PU Definitions ....................................................................... 5-6
Other Transition Considerations ................................................................................. 5-7
Detailed Conversion from 1174 Configuration to CNA-8000 Configuration ............ 5-8