Avaya Configuring DLSw Services User Manual Page 82
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Configuring DLSw Services
3-12
303523-A Rev. 00
You enter slot information in the DLSw Slot IP Table during the initial
configuration procedure. Refer to Chapter 5 for more information about accessing
and editing the DLSw Slot IP Table.
DLSw Peer IP Table
TCP/IP sessions exchange information between devices attached to each router.
Data link switches that connect to the same TCP/IP network are called DLSw
peers. Each DLSw peer is represented by an IP address.
On Bay Networks routers, each slot that you configure with DLSw services
functions as an independent DLSw peer. Other vendors may offer
RFC 1434/1795-compliant products that support either single or multiple DLSw
peers internally. For example, each IBM
6611 processor in your network serves as
a single DLSw peer that you must define on the router.
In each router, you can define a list of peers identifying remote routers with which
a DLSw session can be initiated. These are called configured peers, and are
defined in the DLSw Peer IP Table.
Configured Peers
A configured peer is a remote data link switch, represented by an IP address, that
is predefined in the local router. You define a configured peer by specifying its
unique IP address in the Site Manager DLSw Peer IP Table.
IP addresses in the local router’s Peer IP Table must also appear in the Slot Table
of a remote router.
A configured peer can receive broadcast frames directly from DLSw peers in a
local router.
The local router issues broadcast frames triggered by client demand for
connection services. Responses to these broadcasts enable the local router to:
• Identify DLSw peers that can reach the requested remote NetBIOS or SNA
system
• Manage (open, restart, and close) TCP connections to the DLSw peer that can
reach the requested SNA or NetBIOS system
- Configuring DLSw 1
- Services 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 303523-A Rev. 00 10
- Before You Begin 19
- Text Conventions 20
- Acronyms 21
- How to Get Help 23
- Chapter 1 25
- Data Link Switching Overview 25
- DLSw Networking Overview 26
- RFC 1795 Support 27
- UDP Explorer Frames 29
- RFC 2166 Multicast Support 30
- Figure 1-3. Multicast DLSw 34
- Single-Switch Services 37
- Dual-Switch Services 39
- SDLC Support 41
- Secondary SDLC Support 43
- Frame Relay Support 46
- QLLC Support 48
- DLSw/APPN Boundary Function 48
- DLSw/APPN Components 50
- DLSw Router 52
- DLSw Backup Peer Support 53
- DLSw Filtering 53
- Protocol Prioritization 54
- Chapter 2 57
- DLSw Implementation Notes 57
- Combining DLSw and SRB 58
- SRB network 59
- Virtual Rings 60
- DLSw and SRB on a Circuit 61
- DLSw and Bridging Services 62
- DLSw with Translation Bridge 63
- Multiple DLSw Peers on a LAN 66
- Memory Requirements 66
- TCP Considerations 67
- Flow Control 67
- TCP Flow Control 68
- DLSw Flow Control 68
- DLSw Prioritization 69
- Backup Peers 70
- Chapter 3 71
- DLSw Configuration Overview 71
- DLSw Basic Global Parameters 73
- DLSw SAP Table 74
- SAP Table 75
- DLSw Slot Table 80
- DLSw Peer IP Table 82
- Broadcast Peers 84
- Unconfigured Peers 85
- SDLC Line Parameters 87
- Local Devices 87
- Boundary Access Node (BAN) 89
- Configuring DLSw Packaging 92
- Configuring DLSw Backup Peers 93
- Chapter 4 95
- Configuring DLSw Services 100
- Starting DLSw 101
- Mapping Frame Relay Addresses 106
- Configuring DLSw and APPN 127
- Chapter 5 137
- Editing DLSw Parameters 137
- Accessing DLSw Parameters 138
- Click on OK 140
- Enabling a DLSw Interface 158
- Click on Add 173
- Adding a DLSw SAP Table Entry 178
- Click on Apply 192
- Click on Done 192
- (continued) 199
- (continued) 200
- Deleting DLSw from a Node 212
- Chapter 6 213
- Using DLSw Prioritization 213
- DLSw Priority Queues 215
- The Dequeuing Process 216
- Weight = 217
- Size of packet 217
- Bandwidth % 217
- - Time in dequeue list 217
- Queue Depth 219
- Appendix A 245
- DLSw Default Settings 245
- Appendix B 251
- Predefined DLSw Criteria 252
- DLSw Reference Points 252
- (bits) Length (bits) 253
- Specifying MAC Address Ranges 254
- Table B-6. SAP Codes 256
- Appendix C 257
- Troubleshooting DLSw 257
- * Enabled by default 258
- Table C-2. Log Messages 259
- Table C-3. DLSw State Table 260
- Table C-4. DLSw Event Table 260
- DLSw Session Setup 263
- Reviewing the Network Log 266
- Unexpected protocol action 276
- TCP open error 29 277
- DLSw Troubleshooting Tables 278
- IBMLAN.INI 282
- NBASE.exe 283
- SDLC.exe 283
- Verifying the WAN Cabling 285
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