AI2524 Router Card User’s Manual
August 1997 TOC-7
2524UM
Chapter 12: AI2524 X.25 Configuration Steps.......................................................12-1
Introduction........... ............................................ .......................................... ................12-1
X.25 Configuration ........................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .............. 12-1
X.25 Configuration Task List......................... ................................ ...............12-1
Configure Interface ............................. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ............ 12-2
Set the X.25 Mode .................... .......................................... ...........................12-2
Set the Virtual Circuit Ranges .... .......................................... .........................12-3
Example: Virtual Circu it Ranges................ ................................................... 12-4
Set the Packet Numbering Modulo.............. .................................................. 12-5
Set the X.121 Address................................ .................................................... 12-5
Set the Default Flow Control Values........................... ..................................1 2-6
Example: Typical X.25 Configuration..................................... ......................12-7
Configure Additional X.25 Interface Par ameters ............................ ...........................12-9
Configure the X.25 Level 3 Timers..... .................................. ........................12-9
Configure X.25 Addresses................... .................................. ........................12-10
Establish a Default Virtual Circuit Protocol..................................................12-12
Disable Packet-Level Protocol (PLP) Restarts .................................... ..........12-13
Configure an X.25 Datagram Transport .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ......... 12-13
Configure Subinterfaces......... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .......... 12-14
Example: Point-to-Point Subinterface Configuration.................................... 12-16
Map Protocol Addresses to X.121 Addresses.......................................... ......12-16
Map Datagram Addresses to X.25 Hosts ........................................ .... .... ....... 12-18
Establish an Encapsulation PVC....................................................................12-20
Example: PVC Used to Exchange IP Traffic...................... ........ ...... ............. 12-21
Set X.25 TCP/IP Header Compression ............................ .. .. .. .. .. .. .. .. .. .. .. ........ 12-22
Configure X.25 Bridging........... ........................................ ............................12-22
Configure Additional X.25 Datagram Transpo r t F eatures .............................. .. .. .. ...... 12-23
Configure X.25 Payload Compression.......................... ................................12-23
Configure the Encapsulation Virtual Circuit Idle Time.................................12-24
Increase the Number of Virtual Circuits Allowed.........................................12-25
Configure the Ignore Destination Time ............................................ .............12-25
Establish the Packet Acknowledgment Policy............................................... 12-25
Configure X.25 User Facil ities............. .......................................... ...............12-26
Define the Virtual Circuit Packet Hold Queue Size......................................12-28
Restrict Map Usage..................... ...... ........ ...... ...... ........ ...... ........ ...... ............. 12-28
Configure X.25 Routing.... ............................................ .............................................. 12-29
Enable X.25 Routing......... ............................................ .................................12-30
Example: X.25 Route Address Pattern Matching .. ........ ...... ........ ...... ............ 12-30
Configure a Local X.25 Route .................................. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ......... 12-31
Example: X.25 Routing ....... ............................................ ..............................12-32
Configure XOT (Remote) X.25 Rout ...........................................................12-33
Configure a Locally Switched PVC ............................... ................................12-34
Example: PVC Switching on the Same Router..............................................12-34
Example: Simple Remote PVC Tunneling . ............................................ .......12-35
Configure an XOT (Remote) PVC .......... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ........ 12-35
Example: Remote PVC Tunneling ................................. ................................12-36
Configure Additional X.25 Routing Features................................. ............................ 12-38
Configure XOT to Use Interface Default Flow Control Values....................12-38