ix
VLAN transparency configuration example ···························································································· 303
Configuring EtoPPP and EtoFR ·································································· 305
Hardware compatibility with EtoFR ················································································································ 305
How EtoPPP and EtoFR work ······················································································································· 305
EtoPPP and EtoFR translation tables ···································································································· 305
How EtoPPP and EtoFR handle IP packets ··························································································· 305
Creating an EtoPPP translation mapping ······································································································ 305
Creating an EtoFR translation mapping ········································································································· 306
Displaying and maintaining EtoPPP and EtoFR ···························································································· 306
EtoPPP and EtoFR configuration examples ·································································································· 307
EtoPPP configuration example ·············································································································· 307
EtoFR configuration example ················································································································· 308
Configuring LAPB and X.25 ········································································ 310
Overview ························································································································································ 310
X.25 ························································································································································ 310
LAPB ······················································································································································ 311
Virtual circuit ··········································································································································· 311
X.25 switching ········································································································································ 312
Hardware compatibility with LAPB and X.25 ·································································································· 312
Configuring LAPB ·········································································································································· 312
LAPB parameters ··································································································································· 312
Configuration procedure ························································································································· 313
Configuring an X.25 interface ························································································································ 314
Configuring the basic parameters of an X.25 interface ·········································································· 314
Configuring X.25 interface supplementary parameters ·········································································· 318
Configuring an X.25 subinterface ··········································································································· 320
Configuring X.25 datagram transmission ······································································································· 321
Configuring basic X.25 datagram transmission functionality ·································································· 321
Configuring additional parameters for X.25 datagram transmission ······················································ 322
Configuring X.25 switching ···························································································································· 327
Configuring the basic X.25 switching functionality ················································································· 327
Configuring flow control negotiation of X.25 switching ··········································································· 328
Configuring X.25 load sharing ························································································································ 329
Configuring X.25 closed user group ··············································································································· 331
Configuring X.25 PAD remote access service ······························································································· 333
PAD ························································································································································ 333
Configuring X.25 PAD ···························································································································· 333
Configuring XOT ············································································································································ 334
XOT ························································································································································ 334
Configuration procedure ························································································································· 335
Configuring X.25 over FR ······························································································································ 338
X.25 over FR ·········································································································································· 338
Configuring an SVC application of X.25 over FR ··················································································· 338
Configuring a PVC application of X.25 over FR ····················································································· 339
Configuring X2T ············································································································································· 340
Configuration guidelines ························································································································· 340
Configuration procedure ························································································································· 340
Displaying and maintaining LAPB and X.25 ·································································································· 341
LAPB configuration example ·························································································································· 342
X.25 configuration examples ·························································································································· 344
Direct connection of two routers connecting through serial interfaces (one address mapping) ············· 344
Direct connection of two routers connecting through serial interfaces (two address mappings) ··········· 346
Connecting the router to X.25 public packet network ············································································· 349
Configuring virtual circuit range ·············································································································· 350
Transmitting IP datagrams through X.25 PVCs ····················································································· 351
X.25 subinterface configuration example ······························································································· 353
SVC application of XOT ························································································································· 356
PVC application of XOT ························································································································· 357
SVC application of X.25 over FR ··········································································································· 359
PVC application of X.25 over FR ··········································································································· 360