Avaya X.25 Uživatelský manuál

Part No. 114059 Rev. AAugust 1996Router Software Version 11.0Site Manager Software Version 5.0Configuring X.25Services

x 114059 Rev. AFigure 4-5. Default DDN Service Window ...4-26Figure 5-1. Configuration Man

Configuring X.25 Services4-28 114059 Rev. A Parameter: Connection ID Default: 1 Options: 1 through 255 Function: Identifies each circuit to its remote

Editing X.25 Parameters114059 Rev. A 4-29 Parameter: Remote X.121 Address Default: None Options: Any valid X.121 address Function: Specifies a destinat

Configuring X.25 Services4-30 114059 Rev. A Parameter: Enable Compression Default: Disable Options: Enable| Disable Function: Enables data compression

Editing X.25 Parameters114059 Rev. A 4-31 Parameter: Precedence Default: OFF Options: ON| OFF Function: Specifies the priority of IP packets that this

Configuring X.25 Services4-32 114059 Rev. A Parameter: Flow Facility Default: Default Options: Negot| Default Function: Enables or disables the X.25 fl

Editing X.25 Parameters114059 Rev. A 4-33 Parameter: Packet Size Default: 128 Options: 16| 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 Function: Sp

Configuring X.25 Services4-34 114059 Rev. A Parameter: Reverse Charge Request Default: OFF Options: ON| OFF Function: Enables or disables the reverse

Editing X.25 Parameters114059 Rev. A 4-35 Parameter: User Facility (hex) Default: None Options: Any facility that needs to be included in the call req

Configuring X.25 Services4-36 114059 Rev. A Parameter: CUG Facility Format Default: None Options: None| Basic | Extended Function: Specifies the closed

Editing X.25 Parameters114059 Rev. A 4-37 Parameter: CUG Number Default: 0 Range: 0 through 9999 Function: Identifies each CUG with a number so that in

114059 Rev. A xiTablesTable 2-1. X.25 Packet-level Parameters ...2-3Table 2-2. X.25 Ser

114059 Rev. A 5-1Chapter 5Editing IPEX ParametersThis chapter describes how to configure• IPEX global parameters, which seldom require attention. Check

Configuring X.25 Services5-2 114059 Rev. AFigure 5-1. Configuration Manager Window Showing IPEX Protocols Menu1. From the Protocols menu in the Configur

Editing IPEX Parameters114059 Rev. A 5-32. In the Edit IPEX Global Parameters window, accept or change thedefault values and click on OK to return to

Configuring X.25 Services5-4 114059 Rev. AConfiguring IPEX Mapping EntriesTo set up the mapping between the X.25 and TCP interfaces1. Add an entry to t

Editing IPEX Parameters114059 Rev. A 5-5Figure 5-4. Values Selection Window3. Click on OK.You return to the X.25 Service window, which now lists IPEX

Configuring X.25 Services5-6 114059 Rev. AFigure 5-5. IPEX Mapping Table Configuration Window5. Click on Add.The IPEX Mapping Type window appears (Figu

Editing IPEX Parameters114059 Rev. A 5-7Figure 5-6. IPEX Mapping Type Window6. Click on the Values button and select a source connection type from the

Configuring X.25 Services5-8 114059 Rev. AFigure 5-7. Values Selection Window7. After you select SVC or TCP, click on OK.The IPEX Mapping Type window

Editing IPEX Parameters114059 Rev. A 5-9Figure 5-8. IPEX Mapping Parameters Window for SVCFigure 5-9. IPEX Mapping Parameters Window for TCP

Configuring X.25 Services5-10 114059 Rev. AIn the IPEX Mapping Parameters windows, you define a new mapping entry byspecifying source and destination X

Editing IPEX Parameters114059 Rev. A 5-11 Parameter: Mapping Type Default: End_to_End Options: Local| End_to_End Function: Specifies whether facilities

Configuring X.25 Services5-12 114059 Rev. A Parameter: Remote TCP Port Number Default: None Options: The TCP port number at the remote connection, a v

Editing IPEX Parameters114059 Rev. A 5-13 Parameter: Destination Connection Type Default: SVC if the source connection type is TCP| TCP if the source

Configuring X.25 Services5-14 114059 Rev. A Parameter: Source X.121 Address Default: None Options: Any valid X.121 address Function: Specifies the call

Editing IPEX Parameters114059 Rev. A 5-15Additional Mapping ParametersYou can access the following parameters in the IPEX Mapping TableConfiguration wi

Configuring X.25 Services5-16 114059 Rev. A Parameter: Destination Circuit Name Default: TCP Circuit if the source connection type is SVC| The serial

Editing IPEX Parameters114059 Rev. A 5-17 Parameter: Idle Session Timer Default: 120 Options: 0 through 86,400 seconds Function: Specifies the timeout

Configuring X.25 Services5-18 114059 Rev. A Parameter: Keep Alive Retransmit Count Default: 5 Options: 0 through 99 Function: Specifies the number of u

Editing IPEX Parameters114059 Rev. A 5-19Deleting IPEX Mapping Table EntriesTo delete an entry from the IPEX Mapping Table:1. In the Configuration Mana

114059 Rev. A xiiiAbout This GuideIf you are responsible for configuring and managing Bay Networks™ routers, readthis guide to learn how to customize B

114059 Rev. A A-1Appendix ASample IPEX ConfigurationIPEX Mapping ExampleThis sample configuration for IPEX mapping parameters (Figure A-1) illustratestw

Configuring X.25 ServicesA-2 114059 Rev. AFigure A-2. IPEX Mapping Parameters for Local SVC Connection TypeFigure A-3. IPEX Mapping Parameters for Loc

Sample IPEX Configuration114059 Rev. A A-3Figure A-4. IPEX Mapping Parameters for Remote SVC Connection TypeFigure A-5. IPEX Mapping Parameters for Re

114059 Rev. A B-1Appendix BX.25 Default Parameter SettingsTables B-1 through B-5 list X.25 and IPEX parameters and their default values..Table B-1. X.

Configuring X.25 ServicesB-2 114059 Rev. ADefault Tx/Rx Window Size 2Default Tx/Rx Pkt Length 128Number of Incoming SVCChannels0Incoming SVC LCN Start

X.25 Default Parameter Settings114059 Rev. A B-3Network User Identification OffIncoming Calls Accept OnOutgoing Calls Accept OnFast Select Accept OffRe

Configuring X.25 ServicesB-4 114059 Rev. ATable B-3. X.25 Network Service Record ParametersParameter DefaultEnable EnableType NoneConnection ID 1Remot

X.25 Default Parameter Settings114059 Rev. A B-5Table B-4. IPEX Global ParametersParameter DefaultEnable EnableMax Message Size 1600Table B-5. IPEX Ma

Configuring X.25 Servicesxiv 114059 Rev. AMake sure that you are running the latest version of Bay Networks Site Managerand router software. For instr

114059 Rev. A Index-1AAcceptance Format parameter, 2-3, 4-22adding network service records, 3-10AN/ASN routersconfiguring LAPB, 2-4defaults for synchro

Configuring X.25 ServicesIndex-2 114059 Rev. ADdata circuit-terminating equipment (DCE),defined, 1-1data compression, 2-1enabling, 2-1, 4-30X.25 servic

Index114059 Rev. A Index-3HHigh-level Data Link Control (HDLC), 1-4IIdle Session Timer parameter, 5-17implementation notes, 2-1 to 2-4Incoming Calls A

Configuring X.25 ServicesIndex-4 114059 Rev. AMaximum Transfer Unit (MTU), 1-19M-bit support, 1-19message boundary, 1-19message-based protocol, 1-18Mi

Index114059 Rev. A Index-5Enable, 4-27Enable 1356 Multiplexing, 4-29Enable Compression, 4-30Fast Select Accept, 4-33Fast Select Request, 4-33Flow Faci

Configuring X.25 ServicesIndex-6 114059 Rev. AX.25 Layer 3, 1-13X.25 stack, 1-18Public Data Network (PDN), 1-5enabling, 3-6, 4-7specifying as X.25 ser

Index114059 Rev. A Index-7WWAN Protocol parameter, default setting, 2-4windowAdd Circuit, 3-2Enter Adjacent Host, 3-21IP Configuration, 3-19IPEX Mappin

About This Guide114059 Rev. A xvAcronymsBFE Blacker front-end encryptionBOFL Breath of Life (message)CPU central processing unitCUG closed user groupC

Configuring X.25 Servicesxvi 114059 Rev. ASNAP Subnetwork Access ProtocolSNPA Subnetwork Point of AttachmentSVC switched virtual circuitTCP/IP Transmi

114059 Rev. A xvTechnical Support and Online ServicesTo ensure comprehensive network support to our customers and partnersworldwide, Bay Networks Cust

Configuring X.25 Servicesxvi 114059 Rev. ABay Networks Customer ServiceIf you purchased your Bay Networks product from a distributor or authorizedrese

Technical Support and Online Services114059 Rev. A xviiBay Networks Information ServicesBay Networks Information Services provide up-to-date support i

ii 114059 Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1988–1996 Bay Networks, Inc.All rights

Configuring X.25 Servicesxviii 114059 Rev. ASupport Source CDThis CD-ROM -- sent quarterly to all contracted customers -- is a complete BayNetworks Se

Technical Support and Online Services114059 Rev. A xixInfoFACTSInfoFACTS is the Bay Networks free 24-hour fax-on-demand service. Thisautomated system

114059 Rev. A 1-1Chapter 1X.25 OverviewThe X.25 Protocol transports LAN traffic to packet-switching networks (PSNs).X.25 allows many different kinds of

Configuring X.25 Services1-2 114059 Rev. AFigure 1-1. X.25 NetworkTo begin communication, one DTE device (for example, a router) calls anotherDTE to r

X.25 Overview114059 Rev. A 1-3Figure 1-2. OSI/X.25 CorrespondencePhysical LayerThe physical layer transmits bits across the physical connection or mod

Configuring X.25 Services1-4 114059 Rev. ALink Access Procedure Balanced ProtocolX.25 uses the Link Access Procedure Balanced (LAPB) protocol at the d

X.25 Overview114059 Rev. A 1-5Although detailed discussion of the LAPB MIB is beyond the scope of this guide,when you configure X.25, you automatically

Configuring X.25 Services1-6 114059 Rev. A• Point-to-Point ServicePoint-to-Point service is proprietary to Bay Networks, so Bay Networksrouters must b

X.25 Overview114059 Rev. A 1-7Figure 1-4. Sample X.25 ConfigurationDetermining the X.121 DestinationEach interface connecting to the X.25 network has a

114059 Rev. A iiiBay Networks Software LicenseThis Software License shall govern the licensing of all software provided to licensee by Bay Networks (“

Configuring X.25 Services1-8 114059 Rev. A3. When Router A determines that the next hop is located across the X.25network, it checks to see which dest

X.25 Overview114059 Rev. A 1-9Along with various optional X.25 facilities, the call request packet specifiesthe outgoing logical channel number, Router

Configuring X.25 Services1-10 114059 Rev. AFigure 1-7. Setting Up an X.25 Call ConnectionTransmitting DataAfter Router B establishes the circuit, data

X.25 Overview114059 Rev. A 1-113. IP endstation 3.1.1.2 transmits data to endstation 1.1.1.2.Note that other IP endstations (for example, 1.1.1.3) can

Configuring X.25 Services1-12 114059 Rev. AIPEXBay Networks X.25 services include tunneling over TCP/IP Internet (IPEX).IPEX lets you send and receive

X.25 Overview114059 Rev. A 1-13The sample configuration shows X.25 DTEs or DCEs connected to Bay Networksrouters by standard X.25 lines, interfaces, an

Configuring X.25 Services1-14 114059 Rev. AX.25 PLP InterfaceThe X.25 PLP interface corresponds to OSI Layer 3. On an X.25 PLP interface,you can creat

X.25 Overview114059 Rev. A 1-15IPEX Facility SupportIPEX handles only the following X.25 PLP facilities:• Default Packet Size and Default Window Size:

Configuring X.25 Services1-16 114059 Rev. AFigure 1-11. How IPEX Establishes ConnectionsTCP/IP"local"IPEX(router)"distant"IPEX(rou

X.25 Overview114059 Rev. A 1-17IPEX MappingFor each established SVC connection that contains a specified X.25 called address(X.121 address), IPEX estab

iv 114059 Rev. ABay Networks Software License(continued)9. Licensee shall not reverse assemble, reverse compile, or in any way reverse engineer the So

Configuring X.25 Services1-18 114059 Rev. AFigure 1-12 shows how IPEX mediates the interaction between the two protocolstacks as the data flows between

X.25 Overview114059 Rev. A 1-19How X.25 Handles Large Data MessagesWhen the X.25 client submits an X.25 message that is larger than an X.25 packetsize

114059 Rev. A 2-1Chapter 2Implementation NotesThis chapter describes special features of the Bay Networks X.25 implementation,including• Data compress

Configuring X.25 Services2-2 114059 Rev. AFor a complete discussion of data compression, descriptions of compressionparameters, and instructions for c

Implementation Notes114059 Rev. A 2-3Window size and packet length can affect packet throughput across the X.25network. Setting either the Max Window

Configuring X.25 Services2-4 114059 Rev. AConfiguring LAPB for an AN or ASNWhen you create a new X.25 line on a Bay Networks AN or ASN router, SiteMana

Implementation Notes114059 Rev. A 2-5DDN Default Service RecordWhen you configure the Service Type as DDN, you can automatically configureservice record

Configuring X.25 Services2-6 114059 Rev. AFigure 2-1. RFC 1356 Null EncapsulationFigure 2-2. RFC 1356 Normal EncapsulationPTOP EncapsulationBay Networ

114059 Rev. A 3-1Chapter 3Enabling X.25 ServiceThis chapter describes how to enable X.25 service. It assumes you have readConfiguring Routers and1. Ope

114059 Rev. A vContentsConfiguring X.25 Services About This GuideBefore You Begin ...

Configuring X.25 Services3-2 114059 Rev. ASelecting a Connector1. In the main Configuration Manager window, click on the circuit(connector) you want to

Enabling X.25 Service114059 Rev. A 3-3Figure 3-2. WAN Protocols Window3. Select X.25 from the WAN Protocols menu to display the X.25 PacketConfig windo

Configuring X.25 Services3-4 114059 Rev. AFigure 3-3. X.25 Packet Config WindowConfiguring X.25 Packet-level Parameters1. Configure the packet-level para

Enabling X.25 Service114059 Rev. A 3-5You add X.25 service records from this window. Refer to “Adding X.25Network Service Records,” later in this chap

Configuring X.25 Services3-6 114059 Rev. A Parameter: Network Address Type Default: PDN_Network Options: PDN_Network| DDN_Network | BFE_Network Functi

Enabling X.25 Service114059 Rev. A 3-7 Parameter: DDN IP Address Default: None Options: Any valid IP address Function: Specifies the IP address assigne

Configuring X.25 Services3-8 114059 Rev. A Parameter: Incoming SVC LCN Start Default: 0 Options: 0 through 4095 Function: Specifies the lowest logical

Enabling X.25 Service114059 Rev. A 3-9 Parameter: Number of Outgoing SVC Channels Default: 0 Options: 0 through 512 Function: Specifies the number of l

Configuring X.25 Services3-10 114059 Rev. AAdding X.25 Network Service RecordsAfter you click on OK in the X.25 Packet Config window, the X.25 ServiceC

Enabling X.25 Service114059 Rev. A 3-11Figure 3-5. X.25 Service Window2. Configure the X.25 network service parameters using the descriptionsthat follo

vi 114059 Rev. AEstablishing a Virtual Circuit ...1-8Transmitting Dat

Configuring X.25 Services3-12 114059 Rev. AX.25 Network Service Record Parameter DescriptionsUse the following descriptions as guidelines when you con

Enabling X.25 Service114059 Rev. A 3-13 Parameter: Remote X.121 Address Default: None Options: Any valid X.121 address Function: Specifies a destinatio

Configuring X.25 Services3-14 114059 Rev. A Parameter: Enable 1356 Multiplexing Default: Disable Options: Enable| Disable Function: If you set this pa

Enabling X.25 Service114059 Rev. A 3-15Adding X.25 Network Service Records to aPreviously Configured InterfaceTo add a new network service record to an

Configuring X.25 Services3-16 114059 Rev. AAfter you have selected the protocols, refer to the appropriate configurationguide for instructions on how t

Enabling X.25 Service114059 Rev. A 3-17Figure 3-6. Selecting Protocols > Add/DeleteThe Select Protocols window appears (Figure 3-7).

Configuring X.25 Services3-18 114059 Rev. AFigure 3-7. Select Protocols Windows2. From the Select Protocols window, select IP and click on OK to displ

Enabling X.25 Service114059 Rev. A 3-19Figure 3-8. IP Configuration Window3. Configure the parameters using the descriptions that follow as a guide.Note

Configuring X.25 Services3-20 114059 Rev. A Parameter: Subnet Mask Default: 0.0.0.0 Options: The Configuration Manager automatically calculates an appr

Enabling X.25 Service114059 Rev. A 3-21Figure 3-9. Enter Adjacent Host Window5. Enter the IP address of the adjacent host.You do not need to enter a v

114059 Rev. A viiX.25 Packet-level Parameter Descriptions ...3-5Adding X.25 Network Servic

Configuring X.25 Services3-22 114059 Rev. AFigure 3-10. IP Interfaces Window8. Click on Add to configure additional IP interfaces on the X.25 circuit.T

Enabling X.25 Service114059 Rev. A 3-23Figure 3-11. Adding an IP Interface to an X.25 Circuit9. Configure the parameters, using the descriptions that f

Configuring X.25 Services3-24 114059 Rev. A Parameter: Configure OSPF Default: None Options: YES| NO Function: Specifies whether the Open Shortest Path

114059 Rev. A 4-1Chapter 4Editing X.25 ParametersAfter you enable X.25, you can edit all X.25 parameters from the ConfigurationManager window (Figure 4

Configuring X.25 Services4-2 114059 Rev. AFigure 4-1. Configuration Manager WindowEditing the X.25 Global ParameterThe X.25 global parameter enables X.

Editing X.25 Parameters114059 Rev. A 4-3Figure 4-2. Edit X.25 Global Parameters Window2. Enable or disable X.25 services, using the Enable parameter a

Configuring X.25 Services4-4 114059 Rev. AEditing X.25 Packet-level ParametersThe X.25 packet-level parameters are specific to individual X.25 interfac

Editing X.25 Parameters114059 Rev. A 4-5Figure 4-3. X.25 Packet Level Edit WindowX.25 Packet-level Parameter DescriptionsUse the following description

Configuring X.25 Services4-6 114059 Rev. A Parameter: Enable Default: Enable Options: Enable| Disable Function: Enables or disables packet-level servi

Editing X.25 Parameters114059 Rev. A 4-7 Parameter: Network Address Type Default: PDN_Network Options: PDN_Network| DDN_Network | BFE_Network | IPEX F

Appendix BX.25 Default Parameter Settings Index

Configuring X.25 Services4-8 114059 Rev. A Parameter: DDN IP Address Default: None Options: Any valid IP address Function: Specifies the IP address ass

Editing X.25 Parameters114059 Rev. A 4-9 Parameter: Default Tx/Rx Window Size Default: 2 Options: 1 through 7 (for MOD8) or 1 through 127 (for MOD128)

Configuring X.25 Services4-10 114059 Rev. A Parameter: Number of Incoming SVC Channels Default: 0 Options: 0 through 512 Function: Specifies the number

Editing X.25 Parameters114059 Rev. A 4-11 Parameter: Bidirectional SVC LCN Start Default: 0 Options: 1 through 4095 Function: Specifies the lowest logi

Configuring X.25 Services4-12 114059 Rev. A Parameter: Use Default Service Configuration Default: OFF Options: ON| OFF Function: Creates default DDN se

Editing X.25 Parameters114059 Rev. A 4-13 Parameter: T2 Timer Default: 180 seconds Options: 1 through 999 Function: Specifies the call-confirmation time

Configuring X.25 Services4-14 114059 Rev. A Parameter: Flow Control Negotiation Default: OFF Options: ON| OFF Function: Enables the flow-control negoti

Editing X.25 Parameters114059 Rev. A 4-15 Parameter: Max Window Size Default: 2 Options: 1 through 7 (for MOD8) or 1 through 127 (for MOD128) Function

Configuring X.25 Services4-16 114059 Rev. A Parameter: Tx/Rx Throughput Class Default: THRCLASS19200 Options: THRCLASS75| 150 | 300 | 600 | 1200 | 240

Editing X.25 Parameters114059 Rev. A 4-17 Parameter: Max Throughput Class Default: 19200 Options: 75| 150 | 300 | 600 | 1200 | 2400 | 4800 | 9600 | 19

114059 Rev. A ixFiguresFigure 1-1. X.25 Network ...1-2Figure 1

Configuring X.25 Services4-18 114059 Rev. A Parameter: Outgoing Calls Accept Default: ON Options: ON| OFF Function: Specifies whether this interface ge

Editing X.25 Parameters114059 Rev. A 4-19 Parameter: Fast Select Default: OFF Options: ON| OFF Function: Enables the fast select request facility on t

Configuring X.25 Services4-20 114059 Rev. A Parameter: CUG Outgoing Access Default: Null Options: Null| CUGOA Function: Specifies whether or not this i

Editing X.25 Parameters114059 Rev. A 4-21 Parameter: RPOA Selection Default: OFF Options: ON| OFF Function: Enables the recognized private operating a

Configuring X.25 Services4-22 114059 Rev. A Parameter: Full Addressing Default: ON Options: ON| OFF Function: Specifies whether the router includes a f

Editing X.25 Parameters114059 Rev. A 4-23 Parameter: CCITT Conformance Default: DXE1988 Options: DXE1980| DXE1984 | DXE1988 | FDSEL1980 | FDSEL1984 |F

Configuring X.25 Services4-24 114059 Rev. A Parameter: Statistics Computation Default: Disable Options: Enable| Disable Function: Specifies whether the

Editing X.25 Parameters114059 Rev. A 4-25Figure 4-4. X.25 Service Configuration Window for a DDN Network4. Select the network service record you want t

Configuring X.25 Services4-26 114059 Rev. AFigure 4-5. Default DDN Service Window7. Click on Apply to implement your changes.The values that you have

Editing X.25 Parameters114059 Rev. A 4-27X.25 Network Service Record Parameter DescriptionsThis section provides information on how to set all network