Internetworking SNA with Cisco Solutions

Authors: George Sackett and Nancy Sackett
ISBN 1-57870-083-3
Price: $55.00 US
Pub date: February 1999

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Although there are many pure SNA architecture books,
Internetworking SNA with Cisco Solutions is the first to market
focusing on internetworking SNA using Cisco routers.
Internetworking SNA with Cisco Solutions provides an
understanding of internetworking terms, networking
architectures, protocols, and implementations for
internetworking SNA. The book is divided into two sections.
The first section provides readers with an overview of the
various architectures and protocols that are used in corporate
networks. The second section discusses Cisco Systems-specific
issues, architectures, and implementation of internetworking
SNA. Real-world scenarios highlight topics including SNA,
APPN and TCP/IP architectures; SNA encapsulation techniques
using Cisco Systems IOS; preserving SNA controller
investments using encapsulation techniques; and implementing
SNA internetworking.

Table of Contents


 

Part I overview

Chapter 1 - Overview of Corporate Networking 

  • 1.1 Hierarchical Networks 
    • 1.1.1 SNA Subarea Networking
  • 1.2 Peer Networks 
    • 1.2.1 APPN Networking 
    • 1.2.2 TCP/IP Networking
  • 1.3 Local Area Network 
    • 1.3.1 Ethernet 
    • 1.3.2 Token Ring
  • 1.4 Wide Area Network 
    • 1.4.1 Serial Line Backbone 
    • 1.4.2 Multiplexed Backbone 
    • 1.4.3 Switched Backbone
  • 1.5 SNA Network Configurations 
    • 1.5.1 Single Domain 
    • 1.5.2 Multidomain 
    • 1.5.3 Multinetwork 
    • 1.5.4 Point-to-Point 
    • 1.5.5 Multipoint 
    • 1.5.6 SNA LANs 
    • 1.5.7 Frame Relay 
    • 1.5.8 SNA Subarea Network 
    • 1.5.9 APPN Network
Chapter 2 - IBM Systems Network Architecture (SNA) 
  • 2.1 Foundation SNA Concepts 
    • 2.1.1 Network Components 
    • 2.1.2 Nodes 
    • 2.1.3 Subareas 
    • 2.1.4 Links 
    • 2.1.5 Network-Addressable Units 
      • 2.1.5.1 Logical Units 
      • 2.1.5.2 Physical Units 
      • 2.1.5.3 Systems Services Control Points
    • 2.1.6 Network Addressing 
    • 2.1.7 Routes 
      • 2.1.7.1 Explicit Routes 
      • 2.1.7.2 Virtual Routes 
      • 2.1.7.3 Class of Service Table
    • 2.1.8 Layers 
      • 2.1.8.1 Physical Control Layer 
      • 2.1.8.2 Data Link Control Layer 
      • 2.1.8.3 Path Control Layer 
      • 2.1.8.4 Transmission Control Layer 
      • 2.1.8.5 Data Flow Control Layer 
      • 2.1.8.6 Presentation Services Layer 
      • 2.1.8.7 Transaction Services Layer
    • 2.1.9 Sessions 
      • 2.1.9.1 SSCP to SSCP 
      • 2.1.9.2 SSCP to PU 
      • 2.1.9.3 SSCP to LU 
      • 2.1.9.4 LU to LU
    • 2.1.10 Open Systems Interconnect and SNA 
    • 2.1.11 Downstream Physical Units
  • 2.2 SNA/SDLC Frame Formats 
    • 2.2.1 Message Unit Formats 
    • 2.2.2 Link Header 
    • 2.2.3 Transmission Header 
    • 2.2.4 Request/Response Header 
    • 2.2.5 Request/Response Units 
    • 2.2.6 Link Trailer
  • 2.3 SNA Mainframe Software 
    • 2.3.1 IBM's Advanced Communications Function/Virtual Communications Access Method (VTAM) 
    • 2.3.2 Network Control Program (NCP)
Chapter 3 - Advanced Peer-to-Peer Networking (APPN) 
  • 3.1 APPN Concepts 
  • 3.2 APPN Architecture 
    • 3.2.1 Low Entry Network Node 
    • 3.2.2 APPN End Node 
    • 3.2.3 APPN Network Node 
    • 3.2.4 APPN Border Node 
    • 3.2.5 Link and Transmission Groups 
    • 3.2.6 Comparing APPN to SNA Layers
  • 3.3 APPN Services 
    • 3.3.1 Configuration Services 
      • 3.3.1.1 Data Link Control 
      • 3.3.1.2 Ports 
      • 3.3.1.3 Links and Link Stations 
      • 3.3.1.4 Attached Connection Network
    • 3.3.2 Topology and Route Selection Services 
    • 3.3.3 Directory Services 
    • 3.3.4 Session Services
  • 3.4 VTAM/NCP Support for APPN 
    • 3.4.1 VTAM/NCP as a Composite Network Node 
    • 3.4.2 VTAM/NCP Support for APPN 
    • 3.4.3 VTAM Node Types to Support APPN 
      • 3.4.3.1 Pure Subarea Networks 
      • 3.4.3.2 Interchange Nodes 
      • 3.4.3.3 Migration Data Hosts 
      • 3.4.3.4 Pure End Nodes 
      • 3.4.3.5 Pure Network Nodes
    • 3.4.4 Central Directory Service 
    • 3.4.5 Connection Network Support
  • 3.5 APPN Routing 
    • 3.5.1 Intermediate Session Routing 
    • 3.5.2 High-Performance Routing 
      • 3.5.2.1 Automatic Network Routing 
      • 3.5.2.2 Rapid Transport Protocol
  • 3.6 DLUR/DLUS support for Legacy SNA
Chapter 4 - TCP/IP Networking 
  • 4.1 TCP/IP Layers 
  • 4.2 Internetwork Protocol (IP) 
    • 4.2.1 IP Addressing 
    • 4.2.2 IP Subnet Addressing
  • 4.3 Address Resolution Protocol (ARP) 
    • 4.3.1 Proxy ARP 
    • 4.3.2 Reverse ARP (RARP)
  • 4.4 Transmission Control Protocol (TCP) 
    • 4.4.1 Sliding Windows 
    • 4.4.2 Slow-Start Congestion Avoidance
  • 4.5 IPv6 
    • 4.5.1 IPv6 Addressing 
    • 4.5.2 IPv6 Header
Chapter 5 - Bridging and Routing 
  • 5.1 Bridging Networks 
    • 5.1.1 Transparent Bridging 
    • 5.1.2 Spanning Tree Algorithm 
    • 5.1.3 Source Route Bridging 
    • 5.1.4 Translational Bridging 
    • 5.1.5 Source Route Translational Bridging
  • 5.2 Routing Networks 
    • 5.2.1 LAN Networking with Routers 
    • 5.2.2 WAN Networking with Routers 
    • 5.2.2 Routing Techniques 
      • 5.2.2.1 Source Routing 
      • 5.2.2.2 Label-Based Routing 
      • 5.2.2.3 Destination Routing
    • 5.2.3 Routing Algorithms
  • 5.3 Distance Vector Routing Protocols 
    • 5.3.1 RIP and RIP2 
    • 5.3.2 Cisco IGRP
  • 5.4 Link State Routing Protocols 
    • 5.4.1 OSPF 
      • 5.4.1.1 Backbone Area 
      • 5.4.1.2 External Network Routes 
      • 5.4.1.3 HELLO Protocol 
      • 5.4.1.4 Link State Types
    • 5.4.2 Cisco E-IGRP
Chapter 6 - Network Topology 
  • 6.1 LAN Cables 
    • 6.1.1 Cable Classification
  • 6.2 Ethernet 
    • 6.2.1 Ethernet Bus Topology and CSMA/CD 
    • 6.2.2 Ethernet MAC Frame Format 
    • 6.2.3 IEEE 802.3/Ethernet Mac Frame Format 
    • 6.2.4 10Mbps Ethernet
  • 6.3 Fast Ethernet 
    • 6.3.1 100Base-TX 
    • 6.3.2 100Base-T4 
    • 6.3.3 100Base-FX
  • 6.4 Token Ring 
    • 6.4.1 Star-Wired Ring Topology 
    • 6.4.2 Token Passing 
    • 6.4.3 Token Claiming 
    • 6.4.4 Active Monitor 
    • 6.4.5 Neighbor Notification 
    • 6.4.6 Access Priority 
    • 6.4.7 Ring-Attachment Process 
    • 6.4.8 IEEE 802.5/Token-Ring MAC Frame Format 
    • 6.4.9 Token-Ring MAC addressing 
    • 6.4.10 4Mbps Token Ring 
    • 6.4.11 16Mbps Token Ring 
    • 6.4.12 32Mbps Token Ring
  • 6.5 Fiber Distributed Data Interchange 
    • 6.5.1 FDDI Dual Ring Topology 
    • 6.5.2 FDDI Access Protocol
  • 6.6 Frame Relay 
    • 6.6.1 Frame Relay Frame Format 
    • 6.6.2 Partial Mesh 
    • 6.6.3 Full Mesh
Chapter 7 - Cisco SNA Support 
  • 7.1 Cisco Blueprint for Transporting SNA 
  • 7.2 Serial Tunneling 
    • 7.2.1 Direct STUN 
    • 7.2.2 Point-to-Point 
    • 7.2.3 WAN Point-to-Point 
    • 7.2.4 Virtual Multidrop/Multipoint 
    • 7.2.5 Proxy Polling and Local-Acknowledgment 
    • 7.2.6 PU and LU prioritization 
    • 7.2.7 SNA PU[md]PU Support 
    • 7.2.8 Class of Service
  • 7.3 Remote Source-Route Bridging (RSRB) 
    • 7.3.1 Direct RSRB 
    • 7.3.2 TCP Encapsulation 
    • 7.3.3 Fast Sequenced Transport (FST) Encapsulation 
    • 7.3.4 Virtual Ring 
    • 7.3.5 Proxy Explorer 
    • 7.3.6 Local-Acknowledgment 
    • 7.3.7 Local LU Prioritization 
    • 7.3.8 SNA FEP-FEP and COS Support 
    • 7.3.9 Source Route/Translational Bridging 
    • 7.4 SDLC-LLC2 (SDLLC) 
    • 7.4.1 SDLC-to-LLC2 Mapping 
    • 7.4.2 Virtual Ring 
    • 7.4.3 Local-Acknowledgment
  • 7.5 Frame Relay 
    • 7.5.1 RSRB Direct 
    • 7.5.2 Boundary Network Node (BNN) 
    • 7.5.3 Boundary Access Node (BAN)
  • 7.6 APPN 
    • 7.6.1 Cisco Strategic APPN Direction 
    • 7.6.2 HPR Support 
    • 7.6.3 DLUR/DLUS Support
  • 7.7 Data Link Switching (DLSw) 
    • 7.7.1 DLSw+ Modes of Operation 
    • 7.7.2 DLSw+ Scalability 
    • 7.7.3 DLSw+ Availability 
    • 7.7.4 DLSw+ Performance 
    • 7.7.5 Compared to RSRB
  • 7.8 Native Client Interface Architecture (NCIA) 
    • 7.8.1 NCIA Phase I 
    • 7.8.2 NCIA Client/Server Model 
    • 7.8.3 NCIA Client/Server Model Architecture
  • 7.9 Downstream Physical Unit (DSPU) 
    • 7.9.1 SNA PU Type 5 Services 
    • 7.9.2 Supported Data-Link Controls 
    • 7.9.3 SNA Service Point Support
  • 7.10 Channel Interface Processor (CIP) 
    • 7.10.1 CIP Overview 
    • 7.10.2 Capabilities and Functions 
      • 7.10.2.1 TCP/IP Using CLAW 
      • 7.10.2.2 TCP Offload 
      • 7.10.2.3 SNA Connectivity 
      • 7.10.2.4 TN3270 Server for SNA Connectivity
      • 7.10.2.4.1 SNA Features of TN3270 Server 
      • 7.10.2.4.2 Telnet 3270 Functions
Part II - Implementation

Chapter 8 STUN Design and Configuration 

  • 8.1 Design Criteria 
    • 8.1.1 Evaluating the Current SDLC Network Configuration 
    • 8.1.2 Current SDLC Configuration Definitions in VTAM and NCP 
    • 8.1.3 Identify IBM Services Used in the Routers 
    • 8.1.4 VTAM and NCP Changes Needed to Support IBM Features on Routers 
    • 8.1.5 End-Station Controller Configuration Changes
  • 8.2 Design Examples 
    • 8.2.1 SNA PU Type 1 Connection to AS/400 
    • 8.2.2 SNA PU Type 2 Connection to AS/400 
    • 8.2.3 SNA PU Type 2 Connection to FEP 
    • 8.2.4 SNA PU Type 4 - PU Type 4 Connection
  • 8.3 Enabling STUN 
    • 8.3.1 Defining STUN Protocol Groups 
    • 8.3.2 Specify stun Encapsulation on the Interface 
    • 8.3.3 Associate the Interface with a Specific STUN Group
  • 8.4 Define SDLC Broadcast 
  • 8.5 Specify Encapsulation Method 
    • 8.5.1 Direct HDLC 
    • 8.5.2 TCP 
    • 8.5.3 Frame Relay 
    • 8.5.4 Local Acknowledgment
  • 8.6 Define Prioritization 
    • 8.6.1 Serial Link Prioritization 
    • 8.6.2 Local LU Prioritization
  • 8.7 Define Multilink Transmission Group 
    • 8.7.1 Design Considerations
  • 8.8 STUN Configuration Examples 
    • 8.8.1 SNA PU Type 1 Connection to AS/400 
    • 8.8.2 SNA PU Type 2 Connection to AS/400 
    • 8.8.3 SNA PU Type 2 Connection to FEP 
    • 8.8.4 SNA PU Type 4 - PU Type 4 Connection
Chapter 9 - SRB/RSRB Design and Configuration 
  • 9.1 Design Criteria 
  • 9.2 Design Examples 
    • 9.2.1 Local SRB Connection to Mainframe TIC 
    • 9.2.2 Multiport Local SRB Connections to the Mainframe 
    • 9.2.3 High Availability to Mainframe Using Local SRB 
    • 9.2.4 Remote SRB Connection to Mainframe 
    • 9.2.5 High Availability Mainframe Connection with RSRB 
    • 9.2.6 Direct RSRB Connectivity 
    • 9.2.7 SR/TLB Between Ethernet and Token Ring
  • 9.3 SRB Switch Processing 
    • 9.3.1 Process Switching 
    • 9.3.2 Fast Switching 
    • 9.3.3 Autonomous Switching 
    • 9.3.4 Silicon Switch Engine
  • 9.4 Defining SRB/RSRB 
    • 9.4.1 Specifying SRB 
    • 9.4.2 Explorer Packet Definition 
    • 9.4.3 Determine Ring Groups
  • 9.5 Defining Remote SRB 
    • 9.5.1 Direct Encapsulation 
    • 9.5.2 TCP Encapsulation 
    • 9.5.3 FST Encapsulation 
    • 9.5.4 Proxy Explorer Definition 
    • 9.5.5 SAP Prioritization
  • 9.6 Specifying Local Acknowledgment for LLC2 
  • 9.7 SNA Local LU Prioritization 
  • 9.8 SR/TLB Bridging 
    • 9.8.1 Defining SR/TLB 
    • 9.8.2 Translation Types
  • 9.9 SRB/RSRB Configuration Examples 
    • 9.9.1 Local SRB Connection to FEP 
    • 9.9.2 Multiport Local SRB Connections to a Mainframe TIC 
    • 9.9.3 High Availability to FEP Using Local SRB 
    • 9.9.4 Remote SRB Connection to Mainframe TIC 
    • 9.9.5 WAN High-Availability Connection 
    • 9.9.6 Direct RSRB Connectivity 
    • 9.9.7 SR/TLB Between Ethernet and Token Ring to TIC
Chapter 10 - SDLLC Design and Configuration 
  • Design Criteria 
  • Design Examples 
    • Direct to FEP with Local SRB 
    • Direct to FEP with Local RSRB 
    • Direct to FEP with Local DLSw+ 
    • Direct to FEP with Local RSRB Reverse SDLLC 
    • Direct to FEP with Local DLSw+ Reverse SDLLC 
    • Remote RSRB to LAN-Attached FEP with Local-Acknowledgement 
    • Remote DLSw+ to LAN-Attached FEP 
    • SDLLC over Frame Relay 
    • SR/TLB Bridging to FEP
  • Defining Serial Interface Encapsulation 
  • Defining the Role of the Router with RSRB or DLSw+ 
  • Define SDLC Address 
  • Define Token-Ring Address of SDLLC Connection 
  • Identify the SDLLC MAC Partner Address 
  • Define the SNA PU XID Value 
  • Adding Local-Acknowledgment 
  • DLSw+ Virtual MAC address Definition 
  • Attaching SDLC Devices to DLSw+ 
  • Setting the Largest Information Frame Size 
  • SDLLC Configuration Examples 
    • Direct to FEP with Local SRB 
    • Direct to FEP with Local RSRB 
    • Direct to FEP with Local DLSw+ 
    • Direct to FEP with Local RSRB Reverse SDLLC 
    • Direct to FEP with Local DLSw+ Reverse SDLLC 
    • Remote RSRB to LAN Attached FEP with Local-Acknowledgement 
    • Remote DLSw+ to LAN Attached FEP 
    • SDLLC over Frame Relay 
    • SR/TLB Bridging to FEP
Chapter 11 Frame-Relay Design and Configuration 
  • 11.1 Design Criteria 
  • 11.2 Design Configurations 
    • 11.2.1 Boundary Network Node (BNN) 
    • 11.2.2 Boundary Access Node (BAN) 
    • 11.2.3 Source-Route Bridging (SRB) over Frame Relay 
    • 11.2.4 FRAS Host Connectivity
  • 11.3 Enabling Frame Relay 
    • Defining the Frame-Relay Physical Interface 
    • 11.3.1 Specifying the Encapsulation Type for the Interface 
    • 11.3.2 Selecting the Local Management Interface Support 
    • 11.3.3 Defining SNA Support on the Frame-Relay Port 
    • 11.3.4 Defining Subinterfaces for the Physical Port
  • 11.4 Defining Static BNN Connection 
  • 11.5 Defining Dynamic BNN Connection 
  • 11.6 Defining BAN Connectivity 
  • 11.7 Defining SRB over Frame Relay 
  • 11.8 Defining FRAS Host Connectivity 
    • 11.8.1 LLC2 Passthru Configuration Commands 
    • 11.8.2 LLC2 Local Termination Configuration Commands 
    • 11.8.3 FRAS Host BNN Configuration Command 
    • 11.8.4 FRAS Host BAN Configuration Command
  • 11.9 Frame-Relay Configuration Examples 
    • 11.9.1 Boundary Network Node 
    • 11.9.2 Boundary Access Node 
    • 11.9.3 SRB over Frame Relay 
    • 11.9.4 FRAS Host Connectivity
Chapter 12 DLSw+ Design and Configuration 
  • 12.1 Design Criteria 
    • 12.1.1 Minimize Explorer Traffic with DLSw+ Border Peers, Peer Groups, and On-Demand Peers 
    • 12.1.2 Reduce Explorer Traffic Using an Explorer Firewall 
    • 12.1.3 Explorer Control Using Port Lists 
    • 12.1.4 Backup and Multiple Active Peers 
    • 12.1.5 Load Balancing and Redundancy 
    • 12.1.6 Use of Dynamic Peers 
    • 12.1.7 Local Switching
  • 12.2 Design Configurations 
    • 12.2.1 DLSw+ Using TCP Encapsulation 
    • 12.2.2 DLSw+ Using Direct Encapsulation 
    • 12.2.3 DLSw+ Using FST Encapsulation 
    • 12.2.4 DLSw+ with SDLC to Token Ring 
    • 12.2.5 DLSw+ with Frame Relay 
    • 12.2.6 DLSw+ Ethernet to Token Ring 
    • 12.2.7 DLSw+ Using Peer Groups 
    • 12.2.8 DLSw+ Using Load Balancing and Alternative Paths to an IBM Mainframe 
    • 12.2.9 DLSw+ Using Backup Peer to AS/400
  • 12.3 Define the Source-Bridge Ring Group 
  • 12.4 Define the DLSw+ Local peer 
  • 12.5 Specify the DLSw+ Ring or Port List 
  • 12.6 Identify a DLSw+ Bridge Group List 
  • 12.7 Define the DLSw+ Remote Peers 
    • 12.7.1 Direct Encapsulation with HDLC and Frame Relay 
    • 12.7.2 FST Encapsulation 
    • 12.7.3 TCP Encapsulation 
    • 12.7.4 Common DLSw+ Encapsulation Parameters
  • 12.8 Enabling DLSw+ 
    • 12.8.1 DLSw+ over Frame Relay 
    • 12.8.2 DLSw+ and Token Ring 
    • 12.8.3 DLSw+ and Ethernet 
    • 12.8.4 DLSw+ and SDLC
  • 12.9 Duplicate Path Specification 
  • 12.10 DLSw+ Configuration Examples 
    • 12.10.1 DLSw+ Using TCP Encapsulation 
    • 12.10.2 DLSw+ Using Direct Encapsulation 
    • 12.10.3 DLSw+ Using FST Encapsulation 
    • 12.10.4 DLSw+ with SDLC to Token-Ring 
    • 12.10.5 DLSw+ with Frame Relay 
    • 12.10.6 DLSw+ Ethernet to Token Ring 
    • 12.10.7 DLSw+ Using Peer Groups 
    • 12.10.8 DLSw+ Using Load Balancing to IBM Mainframe 
    • 12.10.9 DLSw+ Using Backup Peer to AS/400
Chapter 13 APPN Design and Configuration 
  • 13.1 Design Criteria 
    • 13.1.1 APPN in the Overall Design Solution 
    • 13.1.2 APPN Support on Cisco IOS 
    • 13.1.3 Addressing APPN Scalability
  • 13.2 Design Configurations 
    • 13.2.1 APPN over Token Ring 
    • 13.2.2 APPN over Frame Relay 
    • 13.2.3 APPN over SDLC 
    • 13.2.4 APPN Using RSRB 
    • 13.2.5 APPN Using DLSw+ 
    • 13.2.6 APPN Using a Connection Network over Ethernet 
    • 13.2.7 APPN Using HPR 
    • 13.2.8 APPN over ATM 
    • 13.2.9 APPN over ATM Ethernet LAN Emulation 
    • 13.2.10 APPN with DLUR/DLUS
  • 13.3 Completing and Modifying APPN definitions 
  • 13.4 Enabling APPN 
  • 13.5 Define the Encapsulation Mode 
  • 13.6 Defining APPN Control Point 
    • 13.6.1 Central Resources Registration (CRR) 
    • 13.6.2 Defining DLUR/DLUS Services for the CP 
    • 13.6.3 Safe-Store of Directory Database 
    • 13.6.4 Specifying High-Performance Routing (HPR) 
    • 13.6.5 Locate Throttling 
    • 13.6.6 Negative Caching 
    • 13.6.7 Defining the APPN Port 
    • 13.6.8 Using RSRB 
    • 13.6.9 Using DLSw+ 
    • 13.6.10 Enabling Dynamic Link-Station Builds 
    • 13.6.11 Define the APPN Link-Station 
    • 13.6.12 Configuring the Destination Address for the Link-Station
  • 13.7 Using the APPN Connection Network Feature 
  • 13.8 Defining the APPN Class of Service 
    • 13.8.1 Node and Transmission Group (TG) Row Definitions 
    • 13.8.2 Defining Transmission priority
  • 13.9 Specifying the APPN Mode 
  • 13.10 Using APPN Partner LU Location 
  • 13.11 APPN Configuration Examples 
    • 13.11.1 Connecting Two Cisco APPN NNs over Token Ring 
    • 13.11.2 APPN over Frame Relay 
    • 13.11.3 APPN over SDLC 
    • 13.11.4 APPN Using RSRB 
    • 13.11.5 DLSw+ Connecting an EN and Its NNs 
    • 13.11.6 APPN Using a Connection Network over Ethernet 
    • 13.11.7 APPN Using HPR over Frame Relay 
    • 13.11.8 APPN over ATM 
    • 13.11.9 APPN over ATM Ethernet LAN Emulation 
    • 13.11.10 APPN with DLUR/DLUS
Chapter 14 NCIA Design and Configuration 
  • Design Criteria 
  • Design Configurations 
    • LAN Attached NCIA Server 
    • DLSw+ Transport for NCIA 
    • RSRB Transport for NCIA
  • Implementing NCIA with RSRB and DLSw+ on Cisco Routers 
  • Define the NCIA Server characteristics 
    • The ncia server Global Command 
    • The ncia client Global Command 
    • The ncia rsrb Global Command
  • NCIA Configuration Examples 
    • DLSw+ Support for NCIA over the WAN 
    • Local Token Ring Using DLSw+ 
    • RSRB use with NCIA over WAN
    Chapter 15 DSPU Design and Configuration 
    • 15.1 Design Criteria 
    • 15.2 Design Configurations 
      • 15.2.1 Dedicated LU 
      • 15.2.2 Pooled LU 
      • 15.2.3 Upstream Host Using RSRB 
      • 15.2.4 DSPU over DLSw+ Using VDLC 
      • 15.2.5 DSPU over SDLC 
      • 15.2.6 Upstream Host Using SDLC 
      • 15.2.7 Upstream Host Using Frame Relay 
      • 15.2.8 DSPU Using NCIA 
      • 15.2.9 SNA Service Point
    • 15.3 Define DSPU Upstream Host 
      • 15.3.1 Upstream Host Using SDLC Connectivity 
      • 15.3.2 Upstream Host Using Frame-Relay Connectivity 
      • 15.3.3 Upstream Host Using Token Ring, Ethernet, RSRB, VDLC with DLSw+
    • 15.4 Define Downstream PUs 
      • 15.4.1 Downstream PU Using SDLC Connectivity 
      • 15.4.2 Downstream PU Using Frame-Relay Connectivity 
      • 15.4.3 Downstream PU Using Token Ring, Ethernet, RSRB, VDLC, or NCIA
    • 15.5 Define DSPU LUs 
    • 15.6 Specify the Data Link Control 
      • 15.6.1 LAN Interface Required DSPU Commands
    • 15.7 RSRB Connectivity DSPU Data Link Commands 
      • 15.7.1 VDLC Connectivity DSPU Data Link Commands 
      • 15.7.2 SDLC Connectivity DSPU Data Link Commands 
      • 15.7.3 Frame-Relay Connectivity DSPU Data Link Commands 
      • 15.7.4 Frame-Relay Connectivity DSPU Data Link Commands
    • 15.8 Define Outstanding Acknowledgments 
    • 15.9 Specify SNA Service Point Support 
    • 15.10 DSPU Configuration Examples 
      • 15.10.1 Dedicated LU 
      • 15.10.2 Pooled LU 
      • 15.10.3 Upstream Host Using RSRB with Local-Acknowledgement 
      • 15.10.4 DSPU over DLSw+ Using VDLC 
      • 15.10.5 DSPU over SDLC and Upstream Host Using Token Ring 
      • 15.10.6 Upstream Host Using SDLC 
      • 15.10.7 Upstream Host Using Frame Relay 
      • 15.10.8 DSPU Using NCIA
    Chapter 16 CIP Design and Configuration 
    • 16.1 Design Criteria 
      • 16.1.1 All in One 
      • 16.1.2 CIP and SNA Combined 
      • 16.1.3 CIP Solo
    • 16.2 Design Configurations 
      • 16.2.1 ESCON, PCA and MPC Configurations 
        • 16.2.1.1 High Availability Using RSRB to Mainframe Using Dual CIP Routers 
        • 16.2.1.2 High Availability and Load Balancing Using DLSw+ to Dual CIP Routers 
        • 16.2.1.3 VTAM-to-VTAM Communications Through a Single CIP Router with Two CIPs 
        • 16.2.1.4 TN3270 Session Switching Using DLUR/DLUS with VTAM Host Redundancy 
        • 16.2.1.5 CMPC ESCON Connection for APPN HPR to VTAM
      • 16.2.2 Loading the CIP Microcode
    • 16.3 Defining CSNA support 
      • 16.3.1 Assigning CSNA to an I/O Device Address 
      • 16.3.2 Defining the Internal Virtual LAN 
      • 16.3.3 Defining the VTAM XCA Major Node
    • 16.4 Defining TN3270 Server Support 
      • 16.4.1 TN3270 with DLUR/DLUS Support
    • 16.5 CIP CMPC Definition 
      • 16.5.1 Transport Resource List Major Node 
      • 16.5.2 Define the Local SNA Major Node 
      • 16.5.3 Defining the CMPC Subchannels 
      • 16.5.4 Defining the CMPC Transmission Group
    • 16.6 CIP Configuration Examples 
      • 16.6.1 High Availability Using RSRB to Mainframe Using Dual CIP Routers 
      • 16.6.2 High Availability and Load Balancing Using DLSw+ to Dual CIP Routers 
      • 16.6.3 CMPC Connectivity Between Two VTAMs over a Single CIP Router 
      • 16.6.4 TN3270 Session Switching Using DLUR/DLUS with VTAM Host Redundancy 
      • 16.6.5 VTAM-to-APPN NN Using HPR over CMPC
    Part III Appendixes

    Appendix A Migration Scenarios 

    • SNA Communication over CSNA 
    • VTAM Definitions 
      • External Communication Adapter Major Node Definition 
      • Switched Major Node Definition
    • Router Configuration 
      • Configuration Relationships in the ESCON Environment 
      • Configuration Relationships in the Bus and Tag Environment
    • Scenario 1: Single CIP to Single Host 
      • Reasons for Change 
      • Design Choices 
      • Configuration 
        • XCA Major Node Configuration 
        • Router Configuration
      • Implementation Overview
    • Scenario 2: Redundant CIP to Single Host 
      • Reasons for Change 
      • Design Choices 
      • Router Configuration
    • Scenario 3: Single CIP to Multiple Host 
      • Reasons for Change 
      • Design Choices 
        • Router Configuration
    • Scenario 4: Migrating to APPN 
      • Reasons for Change 
      • Design Choices 
      • Router Configuration 
        • 4700 Router Configuration
    • APPN in a Parallel Sysplex Environment 
    • Scenario 5: Migrating from SNI to APPN 
      • Reasons for Change 
      • Design Choices 
        • Router Configuration
    Appendix B APPN Memory Requirements 
    • Recommendations 
    • Examples 
      • Example 1--Large Hierarchical Network
    Appendix C CIP Configuration Examples for Mapping Cisco IOS-IBM VTAM-IBM IOCP Parameters 
    • Example 1: APPN over Token Ring to CIP Router 
    • Example 2: APPN over ATM 
    • Example 3: APPN over Frame Relay 
    • Example 4: APPN over DLSw 
    • Example 5: APPN/HPR over MultiPath Channel (MPC) 
    • Example 6: Direct-Attached Token-Ring LLC2 Sessions Using CSNA 
    • Example 7: Downstream PU Using Virtual Data Link Control to CIP 
    • Example 8: DLUR/DLUS over MPC 
    • Example 9: DLUR/DLUS Backup 
    • Example 10: TN3270 Server
    Appendix D Cisco IOS Documentation References 
    • Allowing APPN Resource to Connect to VTAM 
    • Minimum VTAM Start Options for APPN
    Bibliography

    Glossary

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