Avaya X.25 User Manual

Part No. 117377-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring X.25 Services

Configuring X.25 Services4-28 117377-A Rev. AX.25 Network Service Record Parameter DescriptionsThis section provides information on how to set all net

Editing X.25 Parameters117377-A Rev. A 4-29 Parameter: Service VC Type Default: SVC Options: SVC | PVC Function: Specifies whether this service record

Configuring X.25 Services4-30 117377-A Rev. A Parameter: Remote IP Address Default: 0.0.0.0 Options: Any valid IP address Function: Specifies a destina

Editing X.25 Parameters117377-A Rev. A 4-31 Parameter: Enable 1356 Multiplexing Default: Disable Options: Enable | Disable Function: If you set this

Configuring X.25 Services4-32 117377-A Rev. A Parameter: Max Connections Default: 2 Options: 1 to 4 Function: Specifies the maximum number of virtual c

Editing X.25 Parameters117377-A Rev. A 4-33 Parameter: Max Idle (min) Default: 2, except QLLC default is 0 Options: 0 to 999 minutes Function: Specifi

Configuring X.25 Services4-34 117377-A Rev. A Parameter: Flow Facility Default: Default Options: Negot | Default Function: Enables or disables the X.2

Editing X.25 Parameters117377-A Rev. A 4-35 Parameter: Packet Size Default: 128 Options: 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 Function

Configuring X.25 Services4-36 117377-A Rev. A Parameter: Reverse Charge Request Default: OFF Options: ON | OFF Function: Enables or disables the rever

Editing X.25 Parameters117377-A Rev. A 4-37 Parameter: User Facility (hex) Default: None Options: Any facility that needs to be included in the call

117377-A Rev. A xi Figures Figure 1-1. X.25 Network ...1-2Fi

Configuring X.25 Services4-38 117377-A Rev. A Parameter: CUG Facility Format Default: None Options: None | Basic | Extended Function: Specifies the clo

Editing X.25 Parameters117377-A Rev. A 4-39 Parameter: CUG Number Default: 0 Range: 0 to 9999 Function: Identifies each CUG with a number so that info

117377-A Rev. A 5-1 Chapter 5Editing LAPB ParametersThe Link Access Procedure Balanced (LAPB) protocol is a subset of the High-Level Data Link Control

Configuring X.25 Services5-2 117377-A Rev. AEditing LAPB ParametersWhen you configure a circuit for the X.25 protocol on an Octal Sync link module, or

Editing LAPB Parameters117377-A Rev. A 5-3 Parameter: Enable Default: Enable Options: Enable | Disable Function: Globally enables or disables LAPB se

Configuring X.25 Services5-4 117377-A Rev. A Parameter: Max N1 Frame Size (octets) Default: 256 Options: 3 to 4500 bytes Function: Specifies the frame

Editing LAPB Parameters117377-A Rev. A 5-5 Parameter: Max T1 Acknowledge Timer (seconds) Default: 30 Options: 1 to 9999 seconds Function: Specifies th

Configuring X.25 Services5-6 117377-A Rev. A Parameter: Initiate Link Setup Action Default: Active Options: Active | Passive Function: Identifies wheth

Editing LAPB Parameters117377-A Rev. A 5-7 Parameter: WAN Protocol Default: Standard Options: Standard | X.25 Function: Specifies the WAN protocol you

xii 117377-A Rev. A Figure 6-5. IPEX Mapping Table Configuration Window ...6-7Figure 6-6. IPEX Mapping Add

117377-A Rev. A 6-1 Chapter 6Editing IPEX ParametersThis chapter describes how to configure• IPEX global parameters. Check these parameters to make sur

Configuring X.25 Services6-2 117377-A Rev. AFigure 6-1. Configuration Manager Window Showing IPEX Protocols Menu1.From the Protocols menu in the Configu

Editing IPEX Parameters117377-A Rev. A 6-3 2.In the Edit IPEX Global Parameters window, accept or change the default values and click on OK to return

Configuring X.25 Services6-4 117377-A Rev. A Parameter: Insert Called DTE Address Default: Disable Options: Enable | Disable Function: Many DTE device

Editing IPEX Parameters117377-A Rev. A 6-5 Figure 6-3. X.25 Service Window2.Position your cursor in the Type parameter bar, click on the Values button

Configuring X.25 Services6-6 117377-A Rev. AFigure 6-4. Values Selection Window3.Click on OK.You return to the X.25 Service window, which now lists IP

Editing IPEX Parameters117377-A Rev. A 6-7 Parameter: Number of PVC LCN Default: 1 Options: 1 to 512 Function: Specifies the total number of PVC logic

Configuring X.25 Services6-8 117377-A Rev. AThe IPEX Mapping Add window appears (Figure 6-6).Figure 6-6. IPEX Mapping Add Window7.Click on the Values

Editing IPEX Parameters117377-A Rev. A 6-9 Parameter: Source Connection Type Default: None Options: PVC | SVC | TCP Function: Specifies the type of

117377-A Rev. A xiii Tables Table 2-1. X.25 Packet-level Parameters ...2-3Table 2-2. X

Configuring X.25 Services6-10 117377-A Rev. AThe IPEX Mapping Add window reappears and displays the connection type you have selected.9. Select the Ma

Editing IPEX Parameters117377-A Rev. A 6-11 Parameter: Mapping Type Default: End_to_End Options: Local | End_to_End | Gateway Function: Specifies whet

Configuring X.25 Services6-12 117377-A Rev. AFigure 6-9. IPEX Mapping Parameters Window for PVCFigure 6-10. IPEX Mapping Parameters Window for SVC

Editing IPEX Parameters117377-A Rev. A 6-13 Figure 6-11. IPEX Mapping Parameters Window for TCPIn the IPEX Mapping Parameters windows, you define a new

Configuring X.25 Services6-14 117377-A Rev. AParameters for PVC and SVC Connections Parameter: Source PVC LCN Default: None Options: 1 to 4095 Functio

Editing IPEX Parameters117377-A Rev. A 6-15 Parameter: Remote IP Address Default: None Options: Any valid IP address Function: Specifies the remote IP

Configuring X.25 Services6-16 117377-A Rev. A Parameter: Destination Connection Type Default: None Options: SVC | PVC Function: Specifies either SVC or

Editing IPEX Parameters117377-A Rev. A 6-17 Additional Mapping ParametersYou can access the following parameters in the IPEX Mapping Table Configuratio

Configuring X.25 Services6-18 117377-A Rev. A Parameter: Destination X.121 Address Default: None Options: Any valid X.121 address Function: Specifies t

Editing IPEX Parameters117377-A Rev. A 6-19 Parameter: X.25 Call User Data Default: None Options: Any valid call user data up to 128 bytes Function:

Configuring X.25 Services6-20 117377-A Rev. A Parameter: Keep Alive Retransmit Timer Default: 3 Options: 0 to 600 seconds Function: Specifies the inter

Editing IPEX Parameters117377-A Rev. A 6-21 Editing IPEX Mapping Table EntriesTo change an IPEX mapping table entry:1. In the Configuration Manager win

Configuring X.25 Services6-22 117377-A Rev. ADeleting IPEX from the RouterT o delete IPEX globally, begin at the Configuration Manager window, and 1. S

117377-A Rev. A 7-1 Chapter 7Editing QLLC ParametersThis chapter describes how to configure QLLC parameters. For each QLLC parameter, this chapter give

Configuring X.25 Services7-2 117377-A Rev. AAdding a QLLC Mapping Table Entry1. In the X.25 Service Configuration window (refer to Figure 3-4), click o

Editing QLLC Parameters117377-A Rev. A 7-3 Figure 7-2. Values Selection Window3.Click on OK.You return to the X.25 Service window.4. Position your cur

Configuring X.25 Services7-4 117377-A Rev. AFigure 7-3. QLLC Mapping Table Configuration Window6.Click on Add.The QLLC Mapping Parameters window appear

Editing QLLC Parameters117377-A Rev. A 7-5 Figure 7-4. QLLC Mapping Parameters WindowIn the QLLC Mapping Parameters window, you define a new mapping en

Configuring X.25 Services7-6 117377-A Rev. AQLLC Mapping Parameter DescriptionsThis section describes the QLLC mapping parameters that you can configur

Editing QLLC Parameters117377-A Rev. A 7-7 Parameter: Adjacent DTE/DCE X.121 Address Default: None Options: Any valid X.121 address Function: Specifie

117377-A Rev. A xv About This Guide If you are responsible for configuring X.25, you need to read this guide. If you want to Go to Start X.25 on a ro

Configuring X.25 Services7-8 117377-A Rev. A Parameter: Partner DTE/DCE X.121 Address Default: None Options: Any valid X.121 address Function: Specifi

Editing QLLC Parameters117377-A Rev. A 7-9 Additional Mapping ParametersYou can access the following parameters in the QLLC Mapping Table Configuration

Configuring X.25 Services7-10 117377-A Rev. A Parameter: Partner SAP Address Default: 0x04 Options: A hexadecimal value from 0x01 through 0xFE Functio

Editing QLLC Parameters117377-A Rev. A 7-11 Parameter: Trace Default: Disable (0x0) Function: This object is a bit mask used to enable logging of int

Configuring X.25 Services7-12 117377-A Rev. AEditing or Deleting QLLC Mapping Table EntriesTo change a QLLC mapping table entry:1. In the Configuration

117377-A Rev. A A-1 Appendix ASample IPEX ConfigurationsIPEX Mapping ExampleThis sample configuration for IPEX mapping parameters (Figure A-1) illustrat

Configuring X.25 ServicesA-2 117377-A Rev. AFigure A-2. IPEX Mapping Parameters for Local SVC Connection TypeFigure A-3. IPEX Mapping Parameters for L

Sample IPEX Configurations117377-A Rev. A A-3 Figure A-4. IPEX Mapping Parameters for Remote SVC Connection TypeFigure A-5. IPEX Mapping Parameters fo

Configuring X.25 ServicesA-4 117377-A Rev. AIPEX Single-Node SwitchingIPEX single-node switching is IPEX configured on the backplane of a single router

Sample IPEX Configurations117377-A Rev. A A-5 Configuring the PVC or SVC ConnectionUse these instructions to configure the PVC or SVC connection. Refer

Configuring X.25 Servicesxvi 117377-A Rev. A Before You Begin Before using this guide, you must complete the following procedures. For a new router:•

Configuring X.25 ServicesA-6 117377-A Rev. A14. Click on the Mapping Type parameter bar, click on Values, and choose End_to_End as the mapping type un

Sample IPEX Configurations117377-A Rev. A A-7 You have completed the IPEX configuration.Note: This example allows calls from the X.25 DTE to the X.25 h

117377-A Rev. A B-1 Appendix BQLLC Configuration ExamplesThe sections that follow illustrate typical QLLC network topologies when used with DLSw.Sample

Configuring X.25 ServicesB-2 117377-A Rev. AUpstream QLLC NetworkFigure B-1 shows support for upstream X.25 networks. The DLSw network connects to an

QLLC Configuration Examples117377-A Rev. A B-3 Figure B-1. Upstream QLLC NetworkRouter ARouter BAS 400X250017ASNA mainframeX.121 address = 12345678MAC

Configuring X.25 ServicesB-4 117377-A Rev. ADownstream QLLC NetworkFigure B-2 shows support for downstream QLLC devices. The DLSw network connects to

QLLC Configuration Examples117377-A Rev. A B-5 Figure B-2. Downstream QLLC NetworkIBM 3745 FEPAS 400SNA mainframeX.121 address = 67891234MAC address =

Configuring X.25 ServicesB-6 117377-A Rev. AEndpoint QLLC NetworkFigure B-3 shows support for a network that connects an upstream X.25-attached SNA en

QLLC Configuration Examples117377-A Rev. A B-7 Figure B-3. Endpoint QLLC NetworkRouter ARouter BX250020A Adjacent DTE/DCE X.121 address = 12345678A

About This Guide 117377-A Rev. A xvii separator ( > ) Separates menu and option names in instructions and internal pin-to-pin wire connections. E

Configuring X.25 ServicesB-8 117377-A Rev. ABackbone QLLC NetworkFigure B-4 shows support for an X.25 backbone. This X.25 network connects to an upstr

117377-A Rev. A C-1 Appendix CX.25 Default Parameter SettingsTables C-1 through C-7 list X.25, LAPB, IPEX, and QLLC parameters and their default value

Configuring X.25 ServicesC-2 117377-A Rev. ADefault Tx/Rx Window Size 2Default Tx/Rx Pkt Length 128Number of PVC Channels 0PVC LCN Start 0Number of In

X.25 Default Parameter Settings117377-A Rev. A C-3 Network User Identification OffIncoming Calls Accept OnOutgoing Calls Accept OnFast Select Accept Of

Configuring X.25 ServicesC-4 117377-A Rev. ATable C-3. X.25 Network Service Record Parameters Parameter DefaultEnable EnableType NoneService VC Type S

X.25 Default Parameter Settings117377-A Rev. A C-5 CUG Facility Format NoneCUG Facility Type NormalCUG Number 0Table C-4. LAPB ParametersParameter Def

Configuring X.25 ServicesC-6 117377-A Rev. ATable C-6. IPEX ParametersIPEX Mapping Parameters DefaultSource Connection Type NoneMapping Type NoneTCP C

X.25 Default Parameter Settings117377-A Rev. A C-7 Table C-7. QLLC ParametersQLLC Mapping Parameters DefaultMap Entry Name NoneAdjacent DTE/DCE X.121

117377-A Rev. A D-1 Appendix DIPEX Cause and Diagnostic CodesIf IPEX receives a Disconnect Request from TCP or a Disconnect Indication from Packet Lay

Configuring X.25 Servicesxviii 117377-A Rev. A LAPB Link Access Procedure BalancedLAPD Link Access Procedure on the D ChannelLCN logical channel numb

Configuring X.25 ServicesD-2 117377-A Rev. AThe Mapping Table follows:Error Condition TCP ErrorIPEX Cause/Diagnostic CodeDisconnect is per user reques

IPEX Cause and Diagnostic Codes117377-A Rev. A D-3 X.25 Originated Cause and Diagnostic Codes Associated with Clear Request PacketsError Condition Cau

Configuring X.25 ServicesD-4 117377-A Rev. AP2_collision state receives CALL, CCLR, invalid.Local procedure error0x13Not applicable packet in state p5

IPEX Cause and Diagnostic Codes117377-A Rev. A D-5 Error in PLP2 Local procedure error0x13Improper cause code from DTE.0x51 (82)Error in PLP2 Local pr

Configuring X.25 ServicesD-6 117377-A Rev. AError in PLP2 Local procedure error0x13Exceeding facility length.0x45Error in PLP2 Access barred0x0bNot bo

IPEX Cause and Diagnostic Codes117377-A Rev. A D-7 X.25 Originated Cause and Diagnostic Codes Associated with Restart PacketsError Condition Cause Cod

Configuring X.25 ServicesD-8 117377-A Rev. AX.25 Originated Cause and Diagnostic Codes Associated with Diagnostic PacketsIn P1 restart local/remote st

IPEX Cause and Diagnostic Codes117377-A Rev. A D-9 X.25 Originated Cause and Diagnostic Codes Associated with Reset PacketsError Condition Cause Code

Configuring X.25 ServicesD-10 117377-A Rev. AError in p3_local_reset. Local procedure error0x05Not applicable packet in state dx (DCE).0x1b +dxError i

IPEX Cause and Diagnostic Codes117377-A Rev. A D-11 Error in p4_disabled bad ps, pr, q bit, cause.Network disorder Not used.0x00Error in p4_disabled t

About This Guide 117377-A Rev. A xix Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publica

117377-A Rev. A Index-1AAcceptance Format parameter, 2-3, 4-23Add Circuit window, 3-2adding network service records, 3-11adjacent device, 1-22Adjacent

Index-2 117377-A Rev. ADdata circuit-terminating equipment. See DCEdata compression, enabling, 2-1, 4-31data terminal equipment. See DTEdata transmiss

117377-A Rev. A Index-3Incoming Calls Accept parameter, 4-18Incoming SVC LCN Start parameter, 3-8, 4-11Insert Called DTE Address parameterIPEX (global

Index-4 117377-A Rev. AQLLC, 7-6QLLC, 1-22tableadding a QLLC entry, 7-4adding an IPEX entry, 6-4deleting IPEX entries, 6-21deleting QLLC entries, 7-12

117377-A Rev. A Index-5Idle Session Timer, 6-19Insert Called DTE Address (global), 6-4Keep Alive Retransmit Count, 6-20Keep Alive Retransmit Timer, 6-

Index-6 117377-A Rev. ANumber of Bidirectional SVC Channels, 3-9, 4-11Number of Incoming SVC Channels, 3-8, 4-10Number of Outgoing SVC Channels, 3-9,

117377-A Rev. A Index-7and DLSw, 1-21configuration examples, B-1configuring, 7-1description of, 1-20mapping, 1-22mapping table, 7-2parameters, coordinat

User Facility (hex) parameter, 4-37VValues list window, 6-13, 7-6VC (virtual circuit)description of, 1-5established by router, 1-10switched, 1-13WWAN

ii 117377-A Rev. A 4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All right

Configuring X.25 Servicesxx 117377-A Rev. A How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or a

117377-A Rev. A 1-1 Chapter 1X.25 Overview The X.25 Protocol transports LAN traffic to packet-switching networks (PSNs). X.25 allows many different k

Configuring X.25 Services1-2 117377-A Rev. A Figure 1-1. X.25 Network To begin communication, one DTE device (for example, a router) calls another DT

X.25 Overview 117377-A Rev. A 1-3 Figure 1-2. OSI/X.25 Correspondence Physical Layer The physical layer transmits bits across the physical connectio

Configuring X.25 Services1-4 117377-A Rev. A Link Access Procedure Balanced Protocol X.25 uses the Link Access Procedure Balanced (LAPB) protocol at

X.25 Overview 117377-A Rev. A 1-5 LAPB Implementation on Bay Networks Routers The implementation of the LAPB protocol on the AN® and ASN™ routers, a

Configuring X.25 Services1-6 117377-A Rev. A• Public Data Network (PDN)The X.25 PDN service provides end-to-end connectivity between the router and a

X.25 Overview117377-A Rev. A 1-7 PVCs and SVCsBay Networks X.25 services enable you to configure both permanent virtual circuits (PVCs) and switched vi

Configuring X.25 Services1-8 117377-A Rev. AConfiguring X.25 PVCs for OSIEnter a PVC LCN value in the SNPA parameter.SVC ServicesTo demonstrate how Bay

X.25 Overview117377-A Rev. A 1-9 Determining the X.121 DestinationEach interface connecting to the X.25 network has an X.121 address, which consists o

117377-A Rev. A iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the

Configuring X.25 Services1-10 117377-A Rev. AThe logical channel consists of a 4-bit logical channel group number concatenated with an 8-bit logical c

X.25 Overview117377-A Rev. A 1-11 4.If it finds both matches, it accepts the call, and responds with a call accept packet that establishes the virtual

Configuring X.25 Services1-12 117377-A Rev. A1. Router A begins processing the packets it receives from IP end station 1.1.1.2 across the X.25 network

X.25 Overview117377-A Rev. A 1-13 IPEXBay Networks X.25 services include IP Encapsulation of X.25 (IPEX). IPEX lets you send and receive messages betw

Configuring X.25 Services1-14 117377-A Rev. AThe sample configuration shows X.25 DTEs or DCEs connected to Bay Networks routers by standard X.25 lines,

X.25 Overview117377-A Rev. A 1-15 X.25 PLP InterfaceThe X.25 PLP interface corresponds to OSI layer 3. On an X.25 PLP interface, you can create and co

Configuring X.25 Services1-16 117377-A Rev. AIPEX Facility SupportIPEX handles only the following X.25 PLP facilities:• Default Packet Size and Defaul

X.25 Overview117377-A Rev. A 1-17 Figure 1-11. How IPEX Establishes ConnectionsTCP/IP"local"IPEX(router)"distant"IPEX(router)X.25t

Configuring X.25 Services1-18 117377-A Rev. AIPEX MappingFor each established VC connection that contains a specified X.25 called address (X.121 addres

X.25 Overview117377-A Rev. A 1-19 Figure 1-12 shows how IPEX mediates the interaction between the two protocol stacks as the data flows between the X.2

iv 117377-A Rev. A its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring X.25 Services1-20 117377-A Rev. AHow X.25 Handles Large Data MessagesWhen the X.25 client submits an X.25 message that is larger than an X

X.25 Overview117377-A Rev. A 1-21 QLLC and DLSw or APPNYou must run DLSw or APPN when you use QLLC. The router transmits the SNA data contained within

Configuring X.25 Services1-22 117377-A Rev. AQLLC MappingThe QLLC software matches the MAC address that DLSw recognizes to the X.121 address that X.25

X.25 Overview117377-A Rev. A 1-23 Coordinating X.25 and DLSw ParametersIn addition to setting QLLC parameters, you must coordinate X.25 packet size pa

117377-A Rev. A 2-1 Chapter 2Implementation NotesThis chapter describes special features of the Bay Networks X.25 implementation, including:• Data com

Configuring X.25 Services2-2 117377-A Rev. ATo use data compression with X.25, you must set the X.25 service record parameter, Enable Compression, to

Implementation Notes117377-A Rev. A 2-3 Packet-level Parameters: Max Window Size andMax Packet LengthWhen you configure X.25 packet-level parameters, m

Configuring X.25 Services2-4 117377-A Rev. AConfiguring LAPB for an AN or ASNWhen you create a new X.25 line on a Bay Networks AN or ASN router, Site M

Implementation Notes 117377-A Rev. A 2-5 Configuring Synchronous Lines with X.25 Table 2-3 shows the default synchronous line configurations for an AN

117377-A Rev. A v Contents About This Guide Before You Begin ...

Configuring X.25 Services2-6 117377-A Rev. AIf you want to configure specific DDN SVCs with nondefault values, you can configure them individually. If yo

Implementation Notes117377-A Rev. A 2-7 Figure 2-1. RFC 1356 Null EncapsulationFigure 2-2. RFC 1356 Normal EncapsulationLANLANX.25LCN 1:IP, IPX, DECne

Configuring X.25 Services2-8 117377-A Rev. APtoP EncapsulationBay Networks also has Point-to-Point (PtoP), a proprietary encapsulation method for LAN

Implementation Notes117377-A Rev. A 2-9 • The router does not prioritize ISDN signaling traffic and the X.25 traffic on the D channel.• Bay Networks imp

117377-A Rev. A 3-1 Chapter 3Enabling X.25 ServiceThis chapter describes how to enable X.25 service. It assumes you have read Configuring and Managing

Configuring X.25 Services3-2 117377-A Rev. ASelecting a Connector1. In the main Configuration Manager window, click on the circuit (connector) you want

Enabling X.25 Service117377-A Rev. A 3-3 Figure 3-2. WAN Protocols Menu3.Select X.25 from the WAN Protocols menu to display the X.25 Packet Config wind

Configuring X.25 Services3-4 117377-A Rev. AFigure 3-3. X.25 Packet Config WindowConfiguring X.25 Packet-level Parameters1. Configure the packet-level pa

Enabling X.25 Service117377-A Rev. A 3-5 You add X.25 service records from this window. See “Adding X.25 Network Service Records,” later in this chapt

vi 117377-A Rev. A Levels of Tunneling ...1-14IPEX Net

Configuring X.25 Services3-6 117377-A Rev. A Parameter: Network Address Type Default: PDN_Network Options: PDN_Network | DDN_Network | BFE_Network Fun

Enabling X.25 Service117377-A Rev. A 3-7 Parameter: DDN IP Address Default: None Options: Any valid IP address Function: Specifies the IP address assi

Configuring X.25 Services3-8 117377-A Rev. A Parameter: PVC LCN Start Default: None Options: 0 to 4095 Function: Specifies the lowest logical channel n

Enabling X.25 Service117377-A Rev. A 3-9 Parameter: Number of Bidirectional SVC Channels Default: 0 Options: 0 to 512 Function: Specifies the number o

Configuring X.25 Services3-10 117377-A Rev. A Parameter: Outgoing SVC LCN Start Default: 0 Options: 0 to 4095 Function: Specifies the lowest logical ch

Enabling X.25 Service117377-A Rev. A 3-11 Adding X.25 Network Service RecordsAfter you click on OK in the X.25 Packet Config window, the X.25 Service C

Configuring X.25 Services3-12 117377-A Rev. AFigure 3-5. X.25 Service Window2.Configure the X.25 network service parameters using the descriptions that

Enabling X.25 Service117377-A Rev. A 3-13 • Edit the remaining X.25 network service parameters, for which the default values are currently in effect (

Configuring X.25 Services3-14 117377-A Rev. A Parameter: Remote IP Address Default: 0.0.0.0 Options: Any valid IP address Function: Specifies a destina

Enabling X.25 Service117377-A Rev. A 3-15 Parameter: Connection ID Default: 1 Options: 1 to 255 Function: Identifies each circuit to its remote destin

117377-A Rev. A viiIPEX and X.25 over the ISDN D Channel ...2-8Requirements and Limitati

Configuring X.25 Services3-16 117377-A Rev. A Parameter: Service VC Type Default: SVC Options: SVC | PVC Function: Specifies whether this service recor

Enabling X.25 Service117377-A Rev. A 3-17 Parameter: Window Size Default: 2 Options: 1 through 7 (for MOD8) or 1 through 127 (for MOD128) Function: S

Configuring X.25 Services3-18 117377-A Rev. AAdding X.25 Network Service Records to a Previously Configured InterfaceTo add a new network service recor

117377-A Rev. A 4-1 Chapter 4Editing X.25 ParametersAfter you enable X.25, you can edit all X.25 parameters from the Configuration Manager window (Figu

Configuring X.25 Services4-2 117377-A Rev. AFigure 4-1. Configuration Manager WindowEditing the X.25 Global ParameterThe X.25 global parameter enables

Editing X.25 Parameters117377-A Rev. A 4-3 Figure 4-2. Edit X.25 Global Parameters Window2.Enable or disable X.25 services, using the Enable parameter

Configuring X.25 Services4-4 117377-A Rev. AEditing X.25 Packet-level ParametersThe X.25 packet-level parameters are specific to individual X.25 interf

Editing X.25 Parameters117377-A Rev. A 4-5 Figure 4-3. X.25 Packet Level Edit WindowX.25 Packet-level Parameter DescriptionsUse the following descript

Configuring X.25 Services4-6 117377-A Rev. A Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables packet-level se

Editing X.25 Parameters117377-A Rev. A 4-7 Parameter: Network Address Type Default: PDN_Network Options: PDN_Network | DDN_Network | BFE_Network Fun

viii 117377-A Rev. A Adding an IPEX Mapping Table Entry ...6-4IPEX Mapping Parame

Configuring X.25 Services4-8 117377-A Rev. A Parameter: DDN IP Address Default: None Options: Any valid IP address Function: Specifies the IP address a

Editing X.25 Parameters117377-A Rev. A 4-9 Parameter: Default Tx/Rx Window Size Default: 2 Options: 1 to 7 (for MOD8) or 1 to 127 (for MOD128) Functi

Configuring X.25 Services4-10 117377-A Rev. A Parameter: Number of PVC Channels Default: None Options: 0 to 512 Function: Specifies the number of perma

Editing X.25 Parameters117377-A Rev. A 4-11 Parameter: Incoming SVC LCN Start Default: 0 Options: 1 to 4095 Function: Specifies the lowest logical cha

Configuring X.25 Services4-12 117377-A Rev. A Parameter: Number of Outgoing SVC Channels Default: 0 Options: 0 to 512 Function: Specifies the number of

Editing X.25 Parameters117377-A Rev. A 4-13 Parameter: T1 Timer Default: 60 Options: 1 to 999 seconds Function: Specifies how long the router waits to

Configuring X.25 Services4-14 117377-A Rev. A Parameter: T4 Timer Default: 200 Options: 200 to 2000 milliseconds Function: Specifies the data packet t

Editing X.25 Parameters117377-A Rev. A 4-15 Parameter: Max Window Size Default: 2 Options: 1 to 7 (for MOD8) or 1 to 127 (for MOD128) Function: Speci

Configuring X.25 Services4-16 117377-A Rev. A Parameter: Tx/Rx Throughput Class Default: THRCLASS19200 Options: THRCLASS75 | 150 | 300 | 600 | 1200 |

Editing X.25 Parameters117377-A Rev. A 4-17 Parameter: Throughput Class Negotiation Default: OFF Options: ON | OFF Function: Permits the negotiation

117377-A Rev. A ix Appendix C X.25 Default Parameter SettingsAppendix D IPEX Cause and Diagnostic Codes IPEX Originated Cause Code in Disconnect Requ

Configuring X.25 Services4-18 117377-A Rev. A Parameter: Incoming Calls Accept Default: ON Options: ON | OFF Function: Specifies whether this interface

Editing X.25 Parameters117377-A Rev. A 4-19 Parameter: Reverse Charge Accept Default: OFF Options: ON | OFF Function: Enables or disables the reverse

Configuring X.25 Services4-20 117377-A Rev. A Parameter: CUG Selection Default: Null Options: Null | Basic (16) | Extended (32) Function: Specifies the

Editing X.25 Parameters117377-A Rev. A 4-21 Parameter: CUG Bilateral Selection Default: Null Options: Null | Bilateral Function: Specifies whether or

Configuring X.25 Services4-22 117377-A Rev. A Parameter: Charging Information Default: OFF Options: ON | OFF Function: Specifies whether this packet la

Editing X.25 Parameters117377-A Rev. A 4-23 Parameter: Acceptance Format Default: Basic (2) Options: Basic (2) | Allext (255) | Defext (128) Function

Configuring X.25 Services4-24 117377-A Rev. A Parameter: CCITT Conformance Default: DXE1988 Options: DXE1980 | DXE1984 | DXE1988 | FDSEL1980 | FDSEL19

Editing X.25 Parameters117377-A Rev. A 4-25 Parameter: Statistics Computation Default: Disable Options: Enable | Disable Function: Specifies whether t

Configuring X.25 Services4-26 117377-A Rev. AFigure 4-4. X.25 Service Configuration Window for a DDN Network4.Select the network service record you wan

Editing X.25 Parameters117377-A Rev. A 4-27 Figure 4-5. Default DDN Service Window7.Click on Apply to implement your changes.The values that you have