Avaya Configuring ATM Services Uživatelský manuál

Configuring ATM Services Router Software Version 10.0Site Manager Software Version 4.0Software Version BNX 6.0Site Manager Software Version BNX 6.0P

xEditing ILMI Attributes ...9-26ATM ILMI Signaling P

Configuring ATM Services5-16When setting the SCR for ATM FRE2 ILI pairs, keep the following in mind:• The SCR is essentially a future average. By sett

ATM Features and Implementation Notes5-17Maximum Burst SizeFor ATM FRE2 ILI pairs, the maximum burst size (MBS) is the maximum length of a cell stream

6-1Chapter 6Enabling ATM ServiceBefore you can enable ATM service you must1. Open a configuration file.2. Specify router hardware (if using a local-mode

Configuring ATM Services6-2Enabling OverviewWhen you enable ATM service, you must1. Add an ATM circuit.2. Define initial ATM signaling parameters for t

Enabling ATM Service6-3Figure 6-2. Add Circuit Window2.Click on OK.The Initial ATM Signaling Config window opens (Figure 6-3).Figure 6-3. Initial ATM S

Configuring ATM Services6-43.Click on OK to accept the default settings or edit the parameters. Refer to the next section for guidelines.4. Click on O

Enabling ATM Service6-5Initial ATM Signaling Config Parameter DescriptionsUse the following descriptions as guidelines when you configure the parameters

Configuring ATM Services6-6 Parameter: Max Point to Point Connections Default: 1000 Range: 0 to 32767 Function: Identifies the maximum number of simult

Enabling ATM Service6-7Adding a Service RecordThe Configuration Manager allows you to add service records for a specific data encapsulation type. Depend

xi Appendix C Configuring Classical IP over ATM ATM Address Resolution ...

Configuring ATM Services6-8Adding a Service Record for PVCsTo add a service record for permanent virtual circuits:1. Click on Service Attributes in th

Enabling ATM Service6-92. Click on Add.The ATM Service Record Parameters window opens (Figure 6-6).Figure 6-6. ATM Service Record Parameters Window3.C

Configuring ATM Services6-104.Change the Virtual Connection Type parameter from SVC to PVC.5. Click on OK.The Select Protocols window opens (Figure 6-

Enabling ATM Service6-11Enabling Protocols on an ATM Service RecordDepending on the data encapsulation type and virtual connection type (PVC or SVC) y

Configuring ATM Services6-12Table 6-2 lists all supported protocols for standard PVCs and SVCs usingLLC/SNAP, NULL, or LANE 802.3 data encapsulation.T

Enabling ATM Service6-13Enabling Protocols on a PVC Service RecordTo enable protocols on a PVC service record:1. Click on the protocol or protocols yo

Configuring ATM Services6-14Enabling Classical IP on an SVC Service RecordWhen you select either NULL or LLC/SNAP (RFC 1483) data encapsulation to run

Enabling ATM Service6-15Enabling Protocols on an SVC Service Record Running LANE 802.3Selecting LANE 802.3 to run on an SVC service record defines that

Configuring ATM Services6-16Adding PVCsA PVC service record requires at least one PVC to operate. To add a PVC:1. Click on Add in the ATM Virtual Chan

Enabling ATM Service6-17ATM Virtual Channel Link ParametersUse the following descriptions as guidelines when you configure the parameters in the ATM Vi

7-1Chapter 7ATM Editing BasicsOnce you enable an ATM circuit, you can use the Configuration Manager to edit ATM parameters. Many ATM parameters are int

Configuring ATM Services7-2Accessing ATM WindowsYou can access the same ATM windows from either• The Edit ATM Connector window (Figure 7-2)• The Proto

ATM Editing Basics7-3To use the Edit ATM Connector window:1. Click on an ATM link module interface (labeled ATM1) in the Configuration Manager window (

Configuring ATM Services7-4Figure 7-2. Edit ATM Connector Window2.Click on the desired attribute category.To learn more about each ATM attribute categ

ATM Editing Basics7-5Using the Configuration Manager Protocols MenuWhen you access ATM windows using the Protocols menu in the Configuration Manager win

Configuring ATM Services7-6Selecting Service AttributesService attributes define the ATM service records for an interface. Selecting this category open

ATM Editing Basics7-7The ATM Service Records List window also provides access to• Specific PVC parameters (PVC service records only)• A list of all SVC

Configuring ATM Services7-8Figure 7-6. ATM Service Records List Window (SVC with LANE 802.3)Figure 7-7 shows the sequence of windows that can appear w

ATM Editing Basics7-9Figure 7-7. Service Attributes Window Sequence (SVCs with LAN Emulation)Note: With the exception of the LAN Emulation Parameters

xiii Figures Figure 1-1. ATM Cell ...1-1Figure 1-2. A

Configuring ATM Services7-10Selecting Interface AttributesInterface attributes define the state of the ATM interface. Selecting this category opens the

ATM Editing Basics7-11Selecting Line AttributesLine attributes define the ATM line. Selecting this category opens either the ATM or ATM/ARE Line Driver

Configuring ATM Services7-12Selecting ATM SignalingATM Signaling attributes define the connection and timer limits the router uses to set up, maintain,

ATM Editing Basics7-13Figure 7-12 shows the window sequence for the ATM signaling category.Figure 7-12. ATM Signaling Parameters Window SequenceATM Si

Configuring ATM Services7-14Selecting SAAL AttributesSignaling AAL (SAAL) attributes define the connection and timer parameters the router uses to main

ATM Editing Basics7-15Figure 7-14 shows the window sequence for the SAAL category.Figure 7-14. ATM Signaling AAL Records List Window SequenceATM Signa

Configuring ATM Services7-16Selecting ILMI AttributesILMI attributes define the SNMP timers and retry limits for registration with the ATM switch. Sele

ATM Editing Basics7-17Figure 7-16 shows the window sequence for the ILMI category.Figure 7-16. ATM ILMI Signaling Parameters Window SequenceInterim Lo

Configuring ATM Services7-18Assigning Data EncapsulationATM allows you to choose from three data encapsulation types: LLC/SNAP, LANE 802.3, and NULL.

ATM Editing Basics7-19LANE 802.3LANE 802.3 provides Ethernet encapsulation of ATM PDUs for transmission over an emulated Ethernet LAN. You can assign

xivFigure 4-11. Select Protocols Window (Hybrid and Direct Access) ...4-20Figure 4-12. Protocols Menu (Top Level) ...

Configuring ATM Services7-20NULL Encapsulation (VC-Based Multiplexing) In NULL encapsulation, the carried network protocol is identified implicitly by

ATM Editing Basics7-21• If you change the data encapsulation value in the ATM Service Records List window, all new PVCs that you add to that service r

Configuring ATM Services7-22Using the Service Record Protocols MenuEach ATM service record globally controls• All protocols for any standard PVCs and

ATM Editing Basics7-234. Click on Add/Delete.One of the following Select Protocols windows opens (Figure 7-18).Figure 7-18. Select Protocols Windows5.

Configuring ATM Services7-24To edit an existing protocol:1. In the Edit ATM Connector window (refer to Figure 7-2), click on Service Attributes.The AT

ATM Editing Basics7-25Adding, Deleting, and Editing Bridging Protocols for Hybrid PVCsAfter you designate a PVC as a hybrid/bridged VC, you can add, d

Configuring ATM Services7-262.Click on the service record containing the hybrid access PVC for which you want to add or delete protocols.3. Click on P

ATM Editing Basics7-276. Click on Add/Delete.The Select Protocols window opens (Figure 7-22).Figure 7-22. Select Protocols Window (Hybrid PVC)7.Select

Configuring ATM Services7-284.Click on a hybrid PVC.The Protocols menu in the upper-left corner of the window becomes active.5. Click on Protocols.6.

ATM Editing Basics7-29Deleting Individual PVCsTo delete a PVC:1. In the Edit ATM Connector window (refer to Figure 7-2), click on Service Attributes.T

xvFigure 7-16. ATM ILMI Signaling Parameters Window Sequence ...7-17Figure 7-17. ATM Service Records List Window ...

Configuring ATM Services7-303.Click on PVC.The ATM Virtual Channel Link window opens (Figure 7-25).Figure 7-25. ATM Virtual Channel Link Window4.Click

ATM Editing Basics7-31Deleting Individual SVCsTo delete an SVC:1. In the Edit ATM Connector window (refer to Figure 7-2), click on Service Attributes.

Configuring ATM Services7-323.Click on SVC.The ATM Switched Virtual Circuit List window opens (Figure 7-27).Figure 7-27. ATM Switched Virtual Circuit

ATM Editing Basics7-33Deleting ATM from an InterfaceTo delete ATM from an interface:1. In the Configuration Manager window (refer to Figure 7-1), selec

Configuring ATM Services7-34Deleting ATM from the RouterTo delete ATM from the entire router:1. In the Configuration Manager window, select Protocols➔A

8-1Chapter 8Editing ATM Service and Interface ParametersOnce you enable an ATM circuit, you can use the Configuration Manager to edit ATM service and i

Configuring ATM Services8-2Figure 8-1. Edit ATM Connector WindowEditing Service AttributesThe service attributes define the ATM service records for an

Editing ATM Service and Interface Parameters8-3Adding Service RecordsThe Configuration Manager allows you to add service records for a specific data enc

Configuring ATM Services8-4Adding a Service Record for PVCsTo add a service record for permanent virtual circuits:1. Click on Service Attributes in th

Editing ATM Service and Interface Parameters8-52. Click on Add.The ATM Service Record Parameters window opens (Figure 8-3).Figure 8-3. ATM Service Rec

xviFigure B-1. LAN Emulation States ... B-4Figure C-1. IP Local Area Netwo

Configuring ATM Services8-6Figure 8-4. Select Protocols Window (PVCs)6.Click on the protocols you want to enable.7. Click on OK.For each protocol you

Editing ATM Service and Interface Parameters8-7Adding a Service Record for SVCsTo add a service record for switched virtual circuits:1. Click on Servi

Configuring ATM Services8-8Editing ATM Service Record ParametersTo edit service record parameters:1. In the Edit ATM Connector window (refer to Figure

Editing ATM Service and Interface Parameters8-9 Parameter: Data Encapsulation Type Default: LANE 802.3 (signaling enabled) or LLC/SNAP (signaling disa

Configuring ATM Services8-10 Parameter: User Part Autogeneration Default: Enable Options: Enable | Disable Function: Enables or disables autogeneratio

Editing ATM Service and Interface Parameters8-11 Parameter: ATM Addr Net Prefix (Optional) Default: None Range: XX000000000000000000000000 to XXFFFFFFF

Configuring ATM Services8-12 Parameter: MTU Default: 4608 Range: 0 to 9188 Function: Defines the Maximum Transmission Unit (MTU), in bytes, that this s

Editing ATM Service and Interface Parameters8-13Adding or Copying PVCsWhether you add or copy a PVC, you can always change its configuration later. Add

Configuring ATM Services8-143.Click on PVC.The ATM Virtual Channel Link window opens (Figure 8-6).Figure 8-6. ATM Virtual Channel Link Window

Editing ATM Service and Interface Parameters8-154. Click on Add.The ATM Virtual Channel Link Parameters window opens (Figure 8-7).Figure 8-7. ATM Virt

xvii Tables Table 5-1. Maximum Bandwidth ...5-13Table 6-1. Valid Data Enca

Configuring ATM Services8-165.Click on Copy.The ATM Virtual Channel Link Parameters window opens (refer toFigure 8-7).6. Enter the VPI and VCI numbers

Editing ATM Service and Interface Parameters8-17ATM Virtual Channel Link Parameter DescriptionsUse the following descriptions when setting the paramet

Configuring ATM Services8-18Editing PVC ParametersTo edit PVC parameters:1. In the Edit ATM Connector window (refer to Figure 8-1), click on Service A

Editing ATM Service and Interface Parameters8-193. Click on PVC.The ATM Virtual Channel Link window opens (Figure 8-9).Figure 8-9. ATM Virtual Channel

Configuring ATM Services8-20If you set the Hybrid/Bridged VC parameter to Yes, the Configuration Manager adds a Protocols menu option to the top left c

Editing ATM Service and Interface Parameters8-21ATM Virtual Channel Link Parameter DescriptionsUse the following descriptions when you set the paramet

Configuring ATM Services8-22 Parameter: Xmit Peak Cell Rate (cells/s) Default: 2358 Range: 300 to 365566 (ATM FRE2 OC-3 SONET/SDH ILI pairs)128 to 353

Editing ATM Service and Interface Parameters8-23 Parameter: Xmit Sustainable Cell Rate (cells/s) Default: 2358 Range: 300 to 365566 (ATM FRE2 OC-3 SON

Configuring ATM Services8-24• If you know the user average rate, set the SCR about 10 percent higher than this value.• ATM ARE ILI pairs require a min

Editing ATM Service and Interface Parameters8-25 Parameter: Maximum AAL CPCS Transmit SDU Size Default: 4608 Range: 1 to 65535 Function: Specifies the

Configuring ATM Services8-26Editing LAN Emulation Client ParametersBefore you can edit LAN emulation client parameters, you must create an SVC service

Editing ATM Service and Interface Parameters8-273. Click on LEC.The LAN Emulation Parameters window opens (Figure 8-12).Figure 8-12. LAN Emulation Par

Configuring ATM Services8-28LAN Emulation Parameter DescriptionsUse the following descriptions when you set the parameters in the LAN Emulation Parame

Editing ATM Service and Interface Parameters8-29 Parameter: Configuration Mode Default: Automatic Options: Automatic | Manual Function: Indicates wheth

Configuring ATM Services8-30 Parameter: Maximum Data Frame Size Default: Unspecified Options: Unspecified | 1516 Function: Defines the maximum data frame

Editing ATM Service and Interface Parameters8-31 Parameter: LE Server ATM Address Default: None Options: Any valid ATM address Function: Defines the LA

Configuring ATM Services8-32 Parameter: Max Unknown Frame Time Default: 1 Range: 1 to 60 Function: Defines the Maximum Unknown Frame Time value (in sec

Editing ATM Service and Interface Parameters8-33 Parameter: Max Retry Count Default: 1 Range: 1 to 2 Function: Defines the maximum number of times a LA

Configuring ATM Services8-34 Parameter: Expected LE_ARP Response Time Default: 3 Range: 1 to 30 Function: Defines the amount of time (in seconds) that

Editing ATM Service and Interface Parameters8-35 Parameter: Flush Protocol Default: Enable Options: Enable | Disable Function: Enables or disables the

xix About This Guide This guide offers• A general overview of Asynchronous Transfer Mode (ATM) technology and a list of additional resources that des

Configuring ATM Services8-36Editing ATM Interface AttributesThe ATM interface attributes define the up or down state of the ATM interface and whether A

Editing ATM Service and Interface Parameters8-37ATM Interface Parameter DescriptionsUse the following descriptions when you set the parameters in the

Configuring ATM Services8-38 Parameter: Use Hardware MAC Address Default: Enable Options: Enable | Disable Function: Specifies whether or not to use th

Editing ATM Service and Interface Parameters8-39 Parameter: MAC Address Override Default: None Options: Any valid MAC address Function: Redefines the h

9-1Chapter 9Editing ATM Signaling and ILMI ParametersOnce you enable an ATM circuit, you can use the Configuration Manager to edit ATM signaling and IL

Configuring ATM Services9-2Figure 9-1. Edit ATM Connector WindowEditing ATM Signaling AttributesThe ATM signaling attributes define how the ATM interfa

Editing ATM Signaling and ILMI Parameters9-3Figure 9-2. ATM Signaling Parameters Window2.Click on the interface that you want to edit.The settings for

Configuring ATM Services9-4ATM Signaling Parameter DescriptionsUse the following descriptions when editing the parameters in the ATM Signaling Paramet

Editing ATM Signaling and ILMI Parameters9-5 Parameter: Max Point to Point Connections Default: 1000 Range: 0 to 32767 Function: Identifies the maximum

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Configuring ATM Servicesxx Audience If you are responsible for configuring and managing ATM on Bay Networks routers, read this guide to discover how t

Configuring ATM Services9-6 Parameter: Min Memory Threshold Default: 20% Options: 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% Function:

Editing ATM Signaling and ILMI Parameters9-7 Parameter: VCI Default: 5 Range: 1 to 65535 Function: Defines the virtual channel identifier (VCI) for the

Configuring ATM Services9-8 Parameter: T308 Default: 30 Range: 1 to 180 Function: Defines the Release Sent timer value (in seconds). This timer begins

Editing ATM Signaling and ILMI Parameters9-9 Parameter: T310 Default: 10 Range: 1 to 60 Function: Defines the Call Proceeding Received timer value (in

Configuring ATM Services9-10 Parameter: T316 Default: 120 Range: 1 to 720 Function: Defines the Restart Request Sent on Interface timer value (in secon

Editing ATM Signaling and ILMI Parameters9-11 Parameter: T316c Default: 120 Range: 1 to 720 Function: Defines the Restart Request Sent on Channel timer

Configuring ATM Services9-12 Parameter: T322 Default: 4 Range: 1 to 24 Function: Defines the Status Enquiry Sent timer value (in seconds). This timer b

Editing ATM Signaling and ILMI Parameters9-13 Parameter: T398 Default: 4 Range: 1 to 24 Function: Defines the Drop Party Sent timer value (in seconds).

Configuring ATM Services9-14 Parameter: Num Restarts ReXmitted Default: 3 Range: 1 to 100 Function: Defines the number of RESTART messages retransmitte

Editing ATM Signaling and ILMI Parameters9-15Editing the ATM Signaling Control VCTo edit the ATM Signaling Control VC parameters:1. In the Edit ATM Co

About This Guidexxi CompuServe Bay Networks maintains an active forum on CompuServe. All you need to join us online is a computer, a modem, and a Com

Configuring ATM Services9-16Figure 9-4. ATM Control VC for Signaling Window4.Assign values to the signaling VC parameters.Refer to the following secti

Editing ATM Signaling and ILMI Parameters9-17ATM Control VC for Signaling Parameter DescriptionsUse the following descriptions when you set the parame

Configuring ATM Services9-18 Parameter: Xmit Sustainable Cell Rate (cells/s) Default: 4716 Range: 300 to 365566 (ATM FRE2 OC-3 SONET/SDH ILI pairs)0,

Editing ATM Signaling and ILMI Parameters9-19• If you know the user average rate, set the SCR about 10 percent higher than this value.• ATM ARE ILI pa

Configuring ATM Services9-20 Parameter: Maximum AAL CPCS Transmit SDU Size Default: 4608 Range: 1 to 65535 Function: Specifies the maximum AAL CPCS SDU

Editing ATM Signaling and ILMI Parameters9-21Editing Signaling AAL AttributesThe Signaling AAL (SAAL) attributes define the connection and timer parame

Configuring ATM Services9-224.Click on Apply.The Configuration Manager updates the configuration file.ATM Signaling AAL Parameter DescriptionsUse the fol

Editing ATM Signaling and ILMI Parameters9-23 Parameter: Poll Timer Default: 7 Range: 1 to 120 Function: Defines the Service Specific Connection Oriente

Configuring ATM Services9-24 Parameter: No Response Timer Default: 70 Range: 1 to 120 Function: Defines the SSCOP No Response timer value (in tenths of

Editing ATM Signaling and ILMI Parameters9-25 Parameter: Max Connection Control Default: 4 Range: 1 to 20 Function: Defines the SSCOP Maximum Connectio

Configuring ATM Servicesxxii World Wide Web The World Wide Web (WWW) is a global information system for file distribution and online document viewing

Configuring ATM Services9-26Editing ILMI AttributesThe ILMI attributes define the SNMP timer and retry limits for registration with the ATM switch. To

Editing ATM Signaling and ILMI Parameters9-27ATM ILMI Signaling Parameter DescriptionsUse the following descriptions when editing the parameters in th

Configuring ATM Services9-28 Parameter: ILMI VCI Default: 16 Range: 1 to 65535 Function: Defines the virtual channel identifier (VCI) for the ILMI VC. I

Editing ATM Signaling and ILMI Parameters9-29 Parameter: ILMI Get Next Timer Default: 3 Range: 1 to 120 Function: Defines the ILMI Get Next Request tim

Configuring ATM Services9-30 Parameter: ILMI Set Retry Count Default: 3 Range: 1 to 100 Function: Specifies the number of retransmissions of the ILMI S

Editing ATM Signaling and ILMI Parameters9-312. Click on the interface that you want to edit.The settings for that interface appear in the boxes next

Configuring ATM Services9-32ATM Control VC for ILMI Parameter DescriptionsUse the following descriptions when you set the parameters in the ATM Contro

Editing ATM Signaling and ILMI Parameters9-33 Parameter: Xmit Sustainable Cell Rate (cells/s) Default: 4716 Range: 300 to 365566 (ATM FRE2 OC-3 SONET/

Configuring ATM Services9-34• If you know the user average rate, set the SCR about 10 percent higher than this value.• ATM ARE ILI pairs require a min

Editing ATM Signaling and ILMI Parameters9-35 Parameter: Maximum AAL CPCS Transmit SDU Size Default: 4608 Range: 1 to 65535 Function: Specifies the max

About This Guidexxiii vertical line (|) Indicates that you enter only one of the parts of the command. The vertical line separates choices. Do not ty

A-1Appendix ASite Manager Default Settings for ATMThis appendix lists the Site Manager default parameter settings for ATM DXI and ATM. Use the Configur

Configuring ATM ServicesA-2Table A-3. ATM DXI PVC List Window Parameter DefaultEnable EnableMode Group AccessMultiprotocol Encapsulation RFC 1483 Styl

Site Manager Default Settings for ATMA-3Table A-6. ATM Service Record Parameters Window Parameter DefaultData Encapsulation Type LANE 802.3 (signaling

Configuring ATM ServicesA-4Table A-9. LAN Emulation Parameters WindowParameter DefaultEnable EnableOwner NoneConfiguration Mode AutomaticLEC LAN Type U

Site Manager Default Settings for ATMA-5Table A-11. ATM Signaling Parameters WindowParameter DefaultEnable EnableMax Number of SVC Applications 20Max

Configuring ATM ServicesA-6Table A-12. ATM Control VC for Signaling WindowParameter DefaultXmit Peak Cell Rate (cells/s) 4716Xmit Sustainable Cell Rat

Site Manager Default Settings for ATMA-7Table A-14. ATM ILMI Signaling Parameters WindowParameter DefaultEnable EnableILMI VPI 0ILMI VCI 16ILMI Get Ti

B-1Appendix BATM LAN Emulation OverviewThis appendix provides general information about LAN emulation as described by the ATM Forum. For more informat

Configuring ATM Servicesxxiv ILMI interim local management interfaceIP Internet ProtocolITU-T International Telecommunications Union – Telecommunicat

Configuring ATM ServicesB-2LAN Emulation ComponentsEach emulated LAN comprises a group of LAN emulation clients and three different servers. These ser

ATM LAN Emulation OverviewB-3LAN Emulation ServerThe LES controls and coordinates LE client access to the emulated LAN. When an LE client joins an emu

Configuring ATM ServicesB-4Understanding LAN Emulation StatesAs defined in the ATM Forum LAN Emulation Over ATM specification, LE clients enter various

ATM LAN Emulation OverviewB-5Initial StateAn LE client always starts in the Initial state before attempting to set up a connection to the LECS.LECS Co

Configuring ATM ServicesB-6Initial Registration StateAn LE client enters the Initial Registration state when it attempts to register multiple MAC addr

C-1Appendix CConfiguring Classical IP over ATMRFC 1577, “Classical IP and ARP over ATM,” is a specification for an administrative entity within an ATM n

Configuring ATM ServicesC-2Figure C-1. IP Local Area NetworkIn Figure C-2, an ATM network replaces the LAN interfaces, creating a LIS. For communicati

Configuring Classical IP over ATMC-3Figure C-2. IP Logical IP SubnetATM Address ResolutionAn address resolution protocol (ARP) defines a mechanism that

Configuring ATM ServicesC-4A router that needs the ATM address of a host on the LIS sends an ATMARP request to the server. The server returns a respon

Configuring Classical IP over ATMC-5Figure C-3. Initial ATM Signaling Config Window2.Edit the parameters and click on OK.The Edit ATM Connector window

About This Guidexxv VCL virtual channel linkVPC virtual path connectionVPI virtual path identifierWAN wide area network

Configuring ATM ServicesC-63.Click on Service Attributes.The ATM Service Records List window opens.4. Click on Add.The ATM Service Record Parameters w

Configuring Classical IP over ATMC-76. Click on OK.The Select Protocols window opens (Figure C-6).Figure C-6. Select Protocols Window for IP over ATM7

Configuring ATM ServicesC-88.Specify an IP address for the IP interface you are adding to the circuit and click on OK.The ATM ARP Configuration window

Configuring Classical IP over ATMC-9ATM ARP Configuration Parameter DescriptionsUse the following descriptions when you edit the parameters in the ATM

Configuring ATM ServicesC-10 Parameter: ARP Server ATM Address User Part Default: None Range: 00000000000000 to FEFFFFFFFFFFFF Function: Defines the us

Configuring Classical IP over ATMC-11Configuring an ATM Address for an Adjacent HostAn adjacent host is a network device on the local LIS. You must con

Configuring ATM ServicesC-12Adding an Adjacent HostTo add an adjacent host:1. In the IP Adjacent Hosts window, click on Add. The IP Configuration windo

Configuring Classical IP over ATMC-13Editing Adjacent Host ParametersYou can edit the Enable, Next Hop Interface Addr, MAC Address, Adjacent Host X.12

Configuring ATM ServicesC-14Adjacent Host Parameter DescriptionsUse the following descriptions to set parameters in the IP Adjacent Hosts window and t

Configuring Classical IP over ATMC-15 Parameter: Next Hop Interface Addr Default: 0.0.0.0 Options: Any valid IP address Function: Specifies the IP addr

Configuring ATM ServicesC-16 Parameter: Host Encapsulation Default: Ethernet Options: Ethernet | SNAP | PDN | DDN | SNAPIP | NULL Function: Specifies t

Configuring Classical IP over ATMC-17Editing an ATMARP IP InterfaceAfter you configure ATMARP on an IP interface, you can modify characteristics of the

Configuring ATM ServicesC-18IP Interface Parameter DescriptionsUse the following descriptions to set ATM-specific parameters in the IP Interfaces windo

Configuring Classical IP over ATMC-19 Parameter: ARP Server ATM Address User Part Default: None Range: XX00000000000000 to FEFFFFFFFFFFFF Function: De

D-1Appendix DSample ATM NetworkAn ATM network often contains components — both hardware and software — that provide various forms of connectivity or n

Configuring ATM ServicesD-2Figure D-1. Sample ATM NetworkLattisCellSwitchesATM Router(Backbone Node)EtherCellSwitchEtherCellSwitchATM NNI ConnectionAT

Sample ATM NetworkD-3Hardware DevicesBay Networks provides various ATM hardware devices. Each of these devices provides a different form of access wit

Configuring ATM ServicesD-4Function of the EtherCell SwitchThe EtherCell Ethernet-to-ATM switch connects existing Ethernet networks or endstations to

Sample ATM NetworkD-5Understanding the Control SoftwareThe sample ATM network consists of various control software components. Each of these component

1-1 Chapter 1ATM Overview Asynchronous Transfer Mode (ATM) is a connection-oriented, cell-based technology that relays traffic across a Broadband Inte

Configuring ATM ServicesD-6Role of the ATM NMAThe ATM NMA software provides management for any switch (including the EtherCell, LattisCell, and switch

Sample ATM NetworkD-72. Click on Service Attributes.The ATM Service Records List window opens (Figure D-3).Figure D-3. ATM Service Records List Window

Configuring ATM ServicesD-83.Click on Add.The ATM Service Record Parameters window opens (Figure D-4).The default settings for the Data Encapsulation

Sample ATM NetworkD-95. Click on OK.The Select Protocols window opens (Figure D-5).Figure D-5. Select Protocols Window6.Click on the protocols you wan

Configuring ATM ServicesD-10Figure D-6. LAN Emulation Parameters Window9.Assign values to the LAN emulation parameters that you want to edit. Refer to

E-1Appendix EATM Sample LogThe following log provides an example of a working ATM LAN Emulation configuration. To generate this level of message detai

Configuring ATM ServicesE-2#4: 11/03/95 11:44:49.617 INFO SLOT 5 ATMINTF Code: 3Service initializing. #5: 11/03/95 11:44:50.605

ATM Sample LogE-3#17: 11/03/95 11:44:58.878 DEBUG SLOT 5 ATM Code: 47Signalling came alive#18: 11/03/95 11:44:58.882 DEBUG

Configuring ATM ServicesE-4#25: 11/03/95 11:44:58.902 DEBUG SLOT 5 ATM_SIG Code: 24FSM atmlmst_sig_vmr: call_ref=2, State=VC_MOD_MSG

ATM Sample LogE-5#33: 11/03/95 11:44:58.949 INFO SLOT 5 ATM_SIG Code: 6Line 1405101: ATM ILMI active.Line 1405101: ATM Signaling

Configuring ATM Services1-2 Cell Header After dividing the data into 48-byte segments for transmission, the end device (that is, the ATM DSU/CSU or n

Configuring ATM ServicesE-6#42: 11/03/95 11:44:59.210 DEBUG SLOT 5 ATM Code: 47Atm Address Registration SuccessfulLine 1405101,

ATM Sample LogE-7#53: 11/03/95 11:44:59.320 DEBUG SLOT 5 ATM_SIG Code: 24ATM Layer Manager Inbound: Register Request#54: 11/03/95 11:

Configuring ATM ServicesE-8#3: 11/03/95 11:44:59.332 DEBUG SLOT 5 ATM_SIG Code: 24ATM Layer Manager Inbound: ATM VC Reserve Respons

ATM Sample LogE-9#71: 11/03/95 11:45:01.929 DEBUG SLOT 5 ATM_SIG Code: 24ATM Layer Manager Inbound: ATM VC Reserve ResponseFSM atmlms

Configuring ATM ServicesE-10#80: 11/03/95 11:45:05.917 DEBUG SLOT 5 ATM_LE Code: 45LEC API msg: LE Config Response from LEC #3 UserH

ATM Sample LogE-11#91: 11/03/95 11:45:14.984 DEBUG SLOT 5 ATM_SIG Code: 24ATM Layer Manager Inbound: VC MOD RESPONSE MessageFSM atmlm

Configuring ATM ServicesE-12 Transaction_Id: 00fb7b60 Requestor LECID: 0050 Flags: 0000 Lan Type: 802.3 Max Frame Size: 1516 L

ATM Sample LogE-13#102: 11/03/95 11:45:15.968 DEBUG SLOT 5 ATM_SIG Code: 24ATM Layer Manager Inbound: Signalling Connection ConfirmFS

Configuring ATM ServicesE-14#110: 11/03/95 11:45:16.058 INFO SLOT 5 ATM Code: 8Line 1405101 : vpi/vci 0/34 has been activated.#

ATM Sample LogE-15#119: 11/03/95 11:45:16.085 TRACE SLOT 5 ATM_LE Code: 41LEC: LEC #3 successfully joined LAN 29 (LECID = 0050)*****

ATM Overview1-3 • Virtual Channel Identifier (VCI) : The next 16 bits of the cell header (that is, the last half of byte 2, all of byte 3, and the firs

Configuring ATM ServicesE-16#125: 11/03/95 11:45:16.093 DEBUG SLOT 5 ATM_LE Code: 45LEC: Received one of our LE-ARP Responses back f

ATM Sample LogE-17#132: 11/03/95 11:45:16.984 INFO SLOT 5 ATM Code: 8Line 1405101 : vpi/vci 0/35 has been activated.#133: 11/03

Configuring ATM ServicesE-18#144: 11/03/95 11:45:17.050 DEBUG SLOT 5 ATM_LE Code: 45LEC: Multicast Fwd open call indicate for LEC #3

ATM Sample LogE-19#154: 11/03/95 11:45:17.175 DEBUG SLOT 5 ATM_LE Code: 45LEC: Control Packet - Opcode: ARP Req_Type:

Configuring ATM ServicesE-20#157: 11/03/95 11:45:17.191 DEBUG SLOT 5 ATM_LE Code: 45 Src LAN: ---- ... not for us (LEC #3)LEC:

ATM Sample LogE-21#160: 11/03/95 11:45:17.199 TRACE SLOT 5 ATM_LE Code: 41LEC: Called SIG_Open_VC: cct 3 call_ref 11 sig_id 3#161: 1

Configuring ATM ServicesE-22#171: 11/03/95 11:45:17.386 WARNING SLOT 5 ATM_LE Code: 34LEC: incoming Data Direct call accepted - call c

ATM Sample LogE-23LEC: Replying to received LE-FLUSH-REQUEST for LEC #3************************************************************************The rem

Configuring ATM ServicesE-24 Lan Name: ------- Targ ATM Address: 00000000000000000000000000-000000000000/00 Dest LAN: ff:ff:ff:ff:ff:ff Src ATM

ATM Sample LogE-25 Src ATM Address: 39000000000000000000000000-0000a20e9fca/00 Src LAN: ---- ... not for us (LEC #3)LEC: Received one of our

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Configuring ATM Services1-4 ATM Layers The B-ISDN protocol reference model, on which ATM is based, consists of four layers. Each layer communicates o

Configuring ATM ServicesE-26LEC: got reverification response for dest ff:ff:ff:ff:ff:ff on LEC #3*****************************************************

ATM Sample LogE-27 Transaction_Id: 00000001 Requestor LECID: 0050 Flags: 0000 Lan Type: Unspec Max Frame Size: Unspec Lan Name

Index-1AAAL CPCS Receive SDU Size parameter, 8-25, 9-20, 9-35AAL CPCS Transmit SDU Size parameter, 8-25, 9-20, 9-35accessingATM networksPVCs, 5-7 to 5

Index-2layers, 1-4AAL 3/4, 1-5AAL 5, 1-6ATM Adaptation Layer (AAL), 1-4in protocol reference model, 1-4 to 1-6log, E-1 to E-27multicast packet support

Index-3enabling on an ATM DXI circuit, 4-16supported, 2-2PVCsconfiguring, 4-7 to 4-16, 4-22 to 4-24deleting, 4-24ATM FRE2, description of, 1-9ATM Signa

Index-4EEdit ATM Connector window, using, 7-2editingadjacent hosts, C-13ATM service record parameters, 8-8ILMI Control VC parameters, 9-30 to 9-31Inte

Index-5Interface Description parameter, 4-4Interim Local Management Interface. See ILMIInverse ARP supportATM, 5-4ATM DXI, 2-5IP adjacent hostAdjacent

Index-6LLC/SNAP. See also Data EncapsulationLMI Enable parameter, 4-7LMI support, 2-4log file, E-1 to E-27MMAC Address Override parameter, 8-39Max Conn

Index-7Pparameter defaultsATM, A-2 to A-7ATM DXI, A-1 to A-2Path Switching Delay parameter, 8-34PCR parameterILMI Control VC, 9-32PVC, 8-22Signaling C

ATM Overview1-5 The CCITT (now ITU-T) has defined different types of AALs to handle different kinds of traffic. Bay Networks routers support AAL 3/4 an

Index-8signaling support, 5-5Status Enquiry Sent timer, 9-12Sustainable Cell Rate (SCR)description of, 5-15parameterILMI Control VC, 9-33PVC, 8-23Sign

Configuring ATM Services1-6 AAL 5 In AAL 5, only a trailer attaches to the data from the higher layer protocols to create a CS PDU. AAL 5 divides the

ATM Overview1-7 Data Transmission Data transmission (also called cell switching) through the ATM network relies on the establishment of logical conne

Configuring ATM Services1-8Figure 1-6. ATM Transmission ComponentsPermanent and Switched Virtual ConnectionsVirtual channels and virtual paths allow y

ATM Overview1-9For additional information about ATM DXI and how to customize your ATM DXI interface, refer to Chapters 2, 3, and 4.ATM link modules in

Configuring ATM Services1-10Grossman, D., Hoffman, E., Liaw, F., Malis, A., Mankin, A., and Perez, M. ATM Signaling Support for IP over ATM. RFC 1755.

2-1Chapter 2ATM DXI Features and Implementation NotesATM DXI (Data Exchange Interface) allows a link module with a synchronous interface (that is, HSS

Configuring ATM Services2-2ATM DXI SupportA router running ATM DXI provides the following support:• Routing of IP, IPX, XNS, DECnet Phase IV, AppleTal

ATM DXI Features and Implementation Notes2-3When receiving packets, this function evaluates the header to determine whether the PDU is a valid routed

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Configuring ATM Services2-4ATM DXI Error CheckingThe ATM DXI verifies that the VPI/VCI is valid for the PVCs configured for that ATM circuit. It also ve

ATM DXI Features and Implementation Notes2-5If no multicast address is available for the protocol (because the network interface has direct PVC access

Configuring ATM Services2-6ATM DXI Modes of OperationThe ATM Forum’s ATM DXI specification defines three modes of operation. Each mode specifies a differ

ATM DXI Features and Implementation Notes2-7Figure 2-3 illustrates how each mode handles data transfer from the router to the DSU/CSU.Figure 2-3. DXI

Configuring ATM Services2-8Group Access ModeIn group access mode, upper-layer protocols treat each ATM network interface as a single access point to t

ATM DXI Features and Implementation Notes2-9Direct Access ModeIn direct access mode, upper-layer protocols treat the ATM network as a series of point-

Configuring ATM Services2-10If your network combines bridging and routing over the same interface, you need PVCs in group access mode for routing, whi

ATM DXI Features and Implementation Notes2-11Before you configure hybrid access on your router, carefully evaluate the types of routers you are connect

Configuring ATM Services2-12If you define the PVCs in hybrid access mode, as shown in Figure 2-6, each PVC acts as a bridge port. This enables the brid

ATM DXI Features and Implementation Notes2-13You can configure multipath for direct access mode PVCs only. The most significant part of configuring multi

v Contents About This Guide Audience ...

3-1Chapter 3Enabling ATM DXI ServiceBefore you can enable ATM DXI service you must1. Open a configuration file.2. Specify router hardware (if using a lo

Configuring ATM Services3-2Enabling OverviewWhen you enable ATM DXI service, you must1. Enable ATM DXI on an interface.2. Enable protocols on that int

Enabling ATM DXI Service3-3Figure 3-2. Select Protocols WindowThe next section explains how to enable protocols.Enabling Protocols on an ATM DXI Circu

Configuring ATM Services3-4Adding PVCsTo add a PVC, complete the following steps:1. From the Configuration Manager window, select Protocols➔ATM DXI➔Int

Enabling ATM DXI Service3-5Figure 3-4. ATM DXI PVC List Window3.Click on Add.The ATM DXI Virtual Circuit window opens (Figure 3-5).Figure 3-5. ATM DXI

Configuring ATM Services3-64.Enter the VPI and VCI numbers that you want to use for the PVC.These parameters vary depending on how you set the DXI Mod

Enabling ATM DXI Service3-7ATM DXI Virtual Circuit Parameter DescriptionsUse the following descriptions as guidelines when you configure the parameters

4-1Chapter 4Editing ATM DXI ParametersOnce you configure a circuit to support ATM DXI, you can use the Configuration Manager to edit ATM DXI parameters.

viATM DXI Error Checking ...2-4ATM DXI LMI Support ...

Configuring ATM Services4-2Figure 4-1. Configuration Manager WindowEditing ATM DXI Interface ParametersThe ATM DXI Interface parameters define the ATM D

Editing ATM DXI Parameters4-3Figure 4-2. ATM DXI Interface List Window2.From the ATM DXI Interface List window, select the interface you want to edit.

Configuring ATM Services4-4ATM DXI Interface Parameter DescriptionsUse the following guidelines to set the parameters in the ATM DXI Interface List wi

Editing ATM DXI Parameters4-5 Parameter: DXI Mode Default: Mode 1A Options: Mode 1A | Mode 1B | Mode 2 | Mode 2 Proprietary Function: Identifies the AT

Configuring ATM Services4-6 Parameter: Multiprotocol Encapsulation Default: RFC 1483 Style MPE Options: RFC 1483 Style MPE | RFC 1294 Style MPE | No M

Editing ATM DXI Parameters4-7 Parameter: Multicast Default: Disable Options: Enable | Disable Function: Indicates whether the selected ATM DXI interfa

Configuring ATM Services4-8Adding or Copying PVCsWhether you add or copy a permanent virtual circuit, you can always change the configuration of the PV

Editing ATM DXI Parameters4-9Figure 4-3. ATM DXI PVC List Window3.Click on Add. The ATM DXI Virtual Circuit window opens (Figure 4-4). Figure 4-4. ATM

Configuring ATM Services4-104.Enter the VPI and VCI numbers that you want to use for the PVC. Refer to the following section for guidelines.5. Click o

Editing ATM DXI Parameters4-11ATM DXI Virtual Circuit Parameter DescriptionsUse the following descriptions as guidelines when you configure the paramet

viiEnabling and Editing Protocols for Group Access PVCs ...4-16Enabling and Editing Protocols for Direct o

Configuring ATM Services4-12Editing PVC Configuration ParametersTo edit PVC configuration parameters, complete the following procedure:1. From the Config

Editing ATM DXI Parameters4-13Figure 4-5. Select Protocols Window (Hybrid and Direct Access)7.Select the protocols you want this PVC to carry, and cli

Configuring ATM Services4-14ATM DXI PVC List Parameter DescriptionsUse the following descriptions as guidelines when you configure the parameters in th

Editing ATM DXI Parameters4-15 Parameter: Multiprotocol Encapsulation Default: RFC 1483 Style Options: RFC 1483 Style | RFC 1294 Style | No MPE Functi

Configuring ATM Services4-16 Parameter: Multicast Default: Unicast Options: Unicast | Multicast Function: Indicates whether this PVC is multicast or u

Editing ATM DXI Parameters4-17Figure 4-7. Circuit Definition Window3.Select Group Protocols➔Add/Delete.The Select Protocols window opens (Figure 4-8).

Configuring ATM Services4-18Figure 4-8. Select Protocols Window (Group Access)4.Select the bridging/routing protocols you want to enable on that circu

Editing ATM DXI Parameters4-193. Click on Group Protocols.The menu displays a list of the existing protocols on that PVC (Figure 4-9).Figure 4-9. Grou

Configuring ATM Services4-20Enabling and Editing Protocols for Direct or Hybrid Access PVCsAfter you configure a PVC to operate in hybrid or direct acc

Editing ATM DXI Parameters4-215. Select the bridging/routing protocol that you want to enable or disable for that circuit and click on OK.For each pro

viii Chapter 6 Enabling ATM Service Enabling Overview ...

Configuring ATM Services4-225.Select the protocol that you want to edit.The Configuration Manager displays the requested protocol-specific window. If yo

Editing ATM DXI Parameters4-23To set PVCs to use multipath mode, complete the following steps:1. From the Configuration Manager window (refer to Figure

Configuring ATM Services4-24Figure 4-15. Multipath Selection Window5.Select a PVC that you want to group with the first PVC.6. Click on Select.The ATM

Editing ATM DXI Parameters4-254. Click on Delete.Site Manager asks you to confirm the deletion.5. Click on OK to delete the PVC.Deleting ATM DXI from t

5-1Chapter 5ATM Features and Implementation NotesIn a Bay Networks router, intelligent link interface (ILI) pairs provide access and processing. An IL

Configuring ATM Services5-2Figure 5-1. ATM Direct ConnectivityBefore you customize ATM on your router• Read about the kinds of support that a router r

ATM Features and Implementation Notes5-3• Classical IP and ARP over ATM functions as defined in RFC 1577• LAN emulation (LANE) functions as defined in t

Configuring ATM Services5-4Interim Local Management Interface (ILMI)In a switched ATM network, an ATM device must register its ATM address with an ATM

ATM Features and Implementation Notes5-5ATM SignalingATM signaling allows the router to dynamically establish, maintain, and clear a switched virtual

ixDeleting Individual PVCs ...7-29Deleting Individual SVCs

Configuring ATM Services5-6Signaling ATM Adaptation Layer (SAAL)As defined by the ATM Forum ATM User-Network Interface Specification (Version 3.0), the

ATM Features and Implementation Notes5-7ATM Implementation NotesThis section describes special features regarding how we implement ATM.Service Records

Configuring ATM Services5-8Figure 5-3. Multiple PVCs per Service RecordOf the different methods, having multiple PVCs per service record uses network

ATM Features and Implementation Notes5-9One PVCOne PVC per service record works the same way as multiple PVCs per service record, except that you assi

Configuring ATM Services5-10Hybrid AccessPVCs do not typically allow for bridging in nonmeshed environments. If your network combines bridging and rou

ATM Features and Implementation Notes5-11Using Hybrid PVCs for Transparent BridgingIn Figure 5-6, traffic bridges between Site A and Site B. The bridge

Configuring ATM Services5-12SVC Access MethodsSVCs use signaling messages to dynamically establish, maintain, and clear a switched virtual connection

ATM Features and Implementation Notes5-13Converting Mb/s to Cells/sSeveral ATM traffic parameters require you to enter values in cells/second(cells/s).

Configuring ATM Services5-14Variable Bit Rate versus Available Bit RateBay Networks currently provides the following ATM ILI pairs:• An ATM FRE2 link

ATM Features and Implementation Notes5-15• The PCR specifies the desired rate for the attached physical media (that is, SONET/SDH, DS-3, or E-3). It do