X.25 Support Over ISDN BRI D-Channel (X.31) . . . . . . . . . . . . 322 Null Encapsulation . . . . . . . . . . . . . . . . . . . . . . . 322 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 322 Con®guration Changes . . . . . . . . . . . . . . . . . . . . 322 Con®guring Null Encapsulation and Closed User Groups (CUG) . . . . . 322

Understanding Closed User Groups

.

.

. 324

Bilateral Closed User Groups

.

.

. 324

Types of Extended Closed User Groups

.

.

. 324

Establishing X.25 Circuits with Closed User Groups on a Device . .

.

.

. 324

Con®guring X.25 Closed User Groups

.

.

. 325

Chapter 27. Con®guring and Monitoring the X.25 Network Interface

.

.

. 327

X.25 Con®guration Commands

.

.

. 327

Set

.

.

.

328

Enable

.

.

.

332

Disable

.

.

.

332

National Enable . . . . . . . . . . . . . . . . . . . . . . . 333 National Disable . . . . . . . . . . . . . . . . . . . . . . . 335

National Set

. .

. .

.

336

National Restore

. .

. .

.

340

Add

. .

. .

.

341

Change

. .

. .

.

348

Delete

. .

. .

.

349

List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Accessing the Interface Monitoring Process

. .

. .

. 353

X.25 Monitoring Commands

. .

. .

. 353

List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354

Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 354

Statistics

. .

. .

.

355

X.25 Network Interfaces and the GWCON Interface Command . .

. .

. .

. 356

Statistics Displayed for X.25 Interfaces

. .

. .

. 356

Chapter 28. Using XTP

. .

. .

.

361

The X.25 Transport Protocol

. .

. .

. 361

Con®guration Information

. .

. .

. 362

DTE Address Wildcards

. .

. .

. 363

XTP Backup Peer Function

. .

. .

. 364

Searching for a Remote DTE

. .

. .

. 364

Connection Request Timer

. .

. .

. 365

Local XTP

. .

. .

.

365

XTP and Closed User Groups

. .

. .

. 365

Con®guring XTP. . . . . . . . . . . . . . . . . . . . . . . . 366 Con®guration Procedures. . . . . . . . . . . . . . . . . . . . . 366

Setting the Data Link

. . . .

.

367

Con®guring the IP Interface

. . . .

. 367

Con®guring X.25. . . . . . . . . . . . . . . . . . . . . . . 367

Setting the National Personality

. . . .

. 369

De®ning the IP Address

. . . .

. 369

Setting the Internal IP Address

. . . .

. 369

Con®guring XTP. . . . . . . . . . . . . . . . . . . . . . . 369

Sample Con®guration of Remote Routers

. . . .

. 371

Chapter 29. Con®guring and Monitoring XTP

. . . .

.

375

XTP Con®guring Commands

. . . .

. 375

Add

. . . .

.

375

Change

. . . .

.

378

Contents xi

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Image 13
IBM SC30-3681-08 manual Conguring and Monitoring the X.25 Network Interface, 327, Conguring and Monitoring XTP, 375