Translation Encapsulation Mode | 3Com S330 manual

Configuring Virtual Circuits 153

Figure 124 Translation Encapsulation Mode

DLCI

VCC

ATM Router with FRR IWF

FRR

ATM

Translation

RFC 1490

RFC 1483

DE-CLP /CLP-DE—DE to CLP / CLP to DE mapping. DE to CLP deﬁnes the value to which CLP will be set in outgoing ATM cells. CLP to DE mapping deﬁnes the value to which DE will be set from incoming ATM cells in outgoing Frame Relay frames.

Direct—Mode 1 mapping; matches DE value to CLP value. When the serial port is in this mode, it does not translate between Frame Relay (NLPID) encapsulation, rather it send it straight through the ATM network, possibly onto a Frame Relay network or device.

Always 0 —Mode 2 mapping, with the CLP ﬁeld mapped to a constant value of 0. Mode 2 is an operational method for indicating data congestion to either the ATM or Frame Relay network. Mode 2 allows for translation between NLPID and LLC-SNAP encapsulation. It is used when connecting a Frame Relay device or network to a non-Frame Relay device or network. For example, if the PathBuilder S330/S310 is connecting a router/FRAD over an ATM network (public or private) and at the other site a router with an ATM OC3/STM-1 UNI is connected to the WAN network, typically the router OC3/STM-1 UNI does not support NLPID and requires mode 2 mapping so that the packet can be encapsulated to LLC-SNAP.

Always 1—Mode 2 mapping, with the CLP ﬁeld mapped to a constant value of 1. Mode 2 is an operational method for indicating data congestion to either the ATM or Frame Relay network. Mode 2 allows for translation between NLPID and LLC-SNAP encapsulation. It is used when connecting a Frame Relay device or network to a non-Frame Relay device or network. For example, if the PathBuilder S330/S310 is connecting a router/FRAD over an ATM network (public or private) and at the other site a router with an ATM OC3/STM-1 UNI is connected to the WAN network, typically the router OC3/STM-1 UNI does not support NLPID and requires mode 2 mapping so that the packet can be encapsulated to LLC-SNAP.

Start/End FR-SSCSDLCI—The starting and ending Frame Relay data link connection identiﬁers of the remote ATM Frame Relay host: 16...991.

Image 165

3Com S330 manual Translation Encapsulation Mode

Contents

SuperStack II PathBuilder S330/S310 Bayfront Plaza 3Com CorporationSanta Clara, California 95052-8145 Contents Conﬁguring In-band Management Getting Started Conﬁguring CTX Buffers 151 151 Common VIrtual Circuit ParametersOC3/STM-1 Port Virtual Circuit Parameters 151 166 187 T1/E1 Group Statistics 188 Viewing T1/E1 UNI Card Statistics 186189 Viewing OC3/STM-1 ATM Statistics 219 214 Serial Interface Frame Protocol Modes ATM DXI Mode 215219 Ethernet Interface 222 Bridge Operation 223 237 Rack Mounting Servicing Cords Power and Power FCC Part 68 Statement Canadian CS-03Approval Information CE Notice Introduction Where to Find Speciﬁc InformationSpeciﬁc information, and describes guide conventions Managing PathBuilder products Related ConventionsDocumentation List conventions that are used throughout this guide PathBuilder S330/S310 Overview PathBuilder S330 Features System Description Single T1/E1 UNI PathBuilder S310 WAN Access Switch Software downloading via TFTP, FTP, or direct via RS232 Speciﬁcations Speciﬁcations are subject to change without noticePathBuilder S330 System Speciﬁcations Management Interface Standards T1 / n x E1 Interface Ethernet Interface Serial Interface OC3/STM-1 Interface PathBuilder S330 System Speciﬁcations RTS RTS CTS AAL1, ATM CES DCD Voice Compression Module Specifications PathBuilder S310 System Speciﬁcations PIN 6 DSR T1/E1 UNI Interface PathBuilder S310 System Speciﬁcations RTS RTS CTS CBR Module Specifications RTS Voice Compression Module Specifications Part Number Description PathBuilder S310 Part Numbers Part Number Ancillary Items Inspecting PathBuilder S330/S310 Receiving General Installation Procedure PathBuilder S330 Full System Conﬁguration PathBuilder S310 Full System Conﬁguration S330/S310 chassis UnitPathBuilder S330/S310 supports three optional modules Voice Compression Module Connections Removing the PathBuilder S330/S310 Cover Installing the Optional Modules in the Unit Removing the Cover Plate from Slot Replacing the PathBuilder S330/S310 Cover Replace the unit’s cover Connect AC or DC Power and optionally the RPS System To connect AC or DC power, follow these stepsAC/DC Source Speciﬁcations Shelf Fill for AC/DC Power Application Installing the Optional RPS System Illustrates the power supply socket and fuse Shows the port conﬁguration of a PathBuilder S330/S310 Connecting to the Serial Port Connecting to the T1/E1 UNI Interface Following tables describe the serial port connector pinouts Shorting GR 53, 54, 55 Frame GND Circuit GND 15, 16 19, 20 RTS CTS Shorting GR 47, 48 DCD not used, see Out DCE cable Shorting GR PathBuilder S330/S310 Serial Port LEDs PathBuilder S330/S310 Ethernet Port LEDs Connecting to the Ethernet Port OC3/STM-1 UNI Multi-Mode Fiber Optic Cable Connecting to the OC3/STM-1 Port CBR T1-DSX/E1 Pinouts Connecting to the CBR Module Lists the CBR V.35/RS-366 Y cable pinouts CBR V.35/RS-366 Connector Pinouts Connecting to the Voice Compression Module Lists the VCM T1-DSX pinoutsVCM T1-DSX/E1 Pinouts Voice Compression Module Leds Connecting to the DS3/E3 Module DS3 UNI Module LEDs Network Management Station Terminal Connection Options Logging On For details about connecting the VT100 terminal PathBuilder S330/S310 Main Menu Main menu, shown in , appears Using the Menus Manage Card Change Settings selectConﬁguration Management Set ATM Payload Scramble System Conﬁguration Performing Initial System Clock Conﬁguration Menu Manage IP Network Conﬁguration Menu Conﬁguring the Local Host IP Address Shows a sample PathBuilder S330/S310 IP host setup Trap Client Conﬁguration Menu Conﬁguring Trap Clients Default Gateway Conﬁguration Menu Conﬁguring the Default Gateway Time and Date Conﬁguration Menu Date Super User Privilege Menu Following prompt appears at the bottom of the screen Press any key to resume your session in read-write mode Getting Started Configuring In-band Management Getting Started Viewing Conﬁguring SystemInformation Specifying General System Information Report Firmware Version Screen VersionPage Downloading via the Serial Port Downloading via the Ethernet Port Equipment List Using ConﬁgurationManagement Menu Conﬁguring MenuManagement CPU Shapers. To display the Mcpu Menu, follow these steps Mcpu Conﬁguration Menu Viewing Mcpu Conﬁguration Information Mcpu Shaper Screen CTX Menu CTX Shapers Menu Enter the desired buffer size, in cells 256 cells = 1 block Select 1 Set Buffer Size. The following prompt appears Conﬁguring Ports Setting Congestion Thresholds Conﬁguring the T1/E1 InterfacePorts T1 DS1 UNI Port Selection Menu Activation/Deactivation Bit Error Rates Bit Error Rate Total Errors Bit Error Rates Translated into Total Number of ErrorsUNI groups Adding UNI Groups Add Group Menu Selecting Group Type Select 1 UNI. The Add Group menu appears as shown in Figure Add Group Menu Adding UNI Group Adding IMA Groups Select 2 IMA. The Add Group menu appears as shown in Figure Add Group Menu Adding IMA Group If desired, repeat steps 5-8 to set up another IMA group Viewing and Modifying IMA and UNI Groups Change any of the group parameters as desiredDeleting IMA and UNI Groups Delete Group Menu State Tx Condition Rx Condition Possible IMA Link States Status Possible IMA LInk Failure Status ConditionsFailure Description Group Status Selection Menu # Tx Conﬁgured Links-The number of conﬁgured transmit links Conﬁguring the T1/E1 Card OC3/STM-1 Port Change certain settingsTo conﬁgure the OC3/STM-1 port, follow these steps From the Conﬁguration Management menu, shown in , select DS3/E3 UNI Module Menu. shows the DS3 UNI Conﬁguration menu. The E3 UNIConﬁguration menu is similar CTX Timing Source-The CTX timing source for the DS3/E3 port Received PlcpConﬁguring the serial port Conﬁguring the serial card SIM Conﬁguration Port/Card Selection Menu Port Conﬁguring the Serial Port SIM LMI Conﬁguration Menu Conﬁguring Conﬁguring the Ethernet Interface Configuring the Ethernet Interface Conﬁguring the Ethernet Card Manage Bridge Menu Bridge Menu Conﬁguring Source Protocol Filtering Source Protocol Filter Menu Conﬁguring Source Address Filtering Enter 2 to enable the source protocol ﬁlter Source Address Filter Menu Enter 2 to enable the source address ﬁlter Destination Address Filter Menu Conﬁguring Destination Address Filtering Viewing the List Forwarding Table Enter 2 to enable the destination address ﬁlter Bridge Static Table Menu Constructing the Bridge Static Table Conﬁguring the CBR Enter 1 or 2 to disable or enable the Spanning TreeModule Enabling and Disabling the Spanning Tree CBR E1 Port Conﬁguration Menu Unstructured Mode Port Mode-The type of service conﬁgured to the speciﬁed port Page Illustrates the Srts and Adaptive timing options Serial Port DS0 Trunk Conditioning Conﬁguring the CBR Serial Port Page Enter the number of the channel you want to conﬁgure Channels VCM Channel Conﬁguration Menu T1/E1 Port VCM Conﬁguration Menu Page VCM Card Conﬁguration Menu Card Virtual Circuit Menu Selecting the Virtual Circuit Class Initial Add Virtual Circuit Screen Selecting the PVC Virtual CIrcuit Type VCC or VPC Circuits Configuring Virtual Circuits Add Virtual Circuit Screen with Side a Completed CBR Port and Circuit Settings for CAS versus CCS Press any key to return to the Virtual Circuit menuConﬁguring CBR Circuits for DBA Set the Port Mode to Structured Voice Set the Port Mode to Structured Data Page Configuring Virtual Circuits Completed RS366 video Virtual Circuit Template Compression Module VCC Circuits VCM VCC Add Virtual Circuit Screen with Side a Completed Completed VCM VCC Virtual Circuit DLCI-Enter the number of the Dlci to be used for the circuit Completed VCM Subchannel Circuit VCM Subchannel Virtual Circuit Example At PathBuilder S330 a S330 a At PathBuilder S330 B S330 BAt PathBuilder S330 C S330 C Mcpu Virtual Circuit Parameters Common VIrtual Circuit ParametersT1/E1 UNI Port Virtual Circuit Parameters OC3/STM-1 Port Virtual Circuit Parameters Service Translation Encapsulation Mode CBR Module Virtual Circuit Parameters Ethernet Port Virtual Circuit Parameters Configuring Virtual Circuits Or group Voice Compression Module Virtual Circuit ParametersViewing Virtual Circuits for the Entire Chassis Steps Shows a representative List Virtual Circuit detail screen List Virtual Circuit Detail Screen Viewing Virtual Circuits by Port or Group Virtual Circuits Access Virtual Circuits by Port/Group Screen Managing the Video Dial FeatureRouting table To display the Manage Video Dial menu Starting Video Dial-up Sessions Sessions Manually Disconnect a Site Menu Ending Video Dial-up Sessions Video Call Routing Table Page Alarms Current AlarmsManaging System Select 2 Clear Current Alarms Mcpu and CTX Module System Alarms Mcpu and CTX Module System AlarmsAlarm Meaning Troubleshooting Steps Super user has changed a Information only By Super User Alarms Common to Several Interfaces Alarms Common to Several ModulesAlarm Meaning Line, or the port configuration DS1/E1 UNI Module Alarms Config. Abort is generated DS1/E1 UNI Module Alarms Meaning Troubleshooting Steps Managing System Alarms ATM Forum R-123 Alarm Meaning Troubleshooting Steps DSX-1/E1 CBR Module Alarms Describes the alarms speciﬁc to DSX-1 and E1 CBR modulesDSX-1/E1 CBR Module Alarms Describes the alarms speciﬁc to QSIMs and FAMs SIM AlarmsVoice Compression Module Alarms Qsim Alarms Viewing and Printing History Alarms Clearing History AlarmsReturn to the Fault Management menu Points should help you identify and resolve the problem Using LoopbacksThese steps Management menu shown earlier in Figure OC3/STM-1 Loopback Menu Illustrates the loopbacks for OC3/STM-1 Illustrates the loopbacks for the E3 module Setting VCM Channel Loopbacks Setting VCM Port Loopbacks VCM Channel Loopback Menu ATM Statistics Viewing Performance Statistics This section describes the T1/E1 port/link statistics T1/E1 Port/Link Statistics This section describes the T1/E1 group statistics T1/E1 Group Statistics Viewing OC3/STM-1 Performance Statistics Card Statistics Pathbuilder S330 Diagnostics and Performance Statistics Viewing OC3/STM-1 ATM Statistics Viewing DS3 UNI Performance Statistics To view DS3 UNI performance statistics, follow these stepsViewing DS3 UNI ATM Statistics Viewing E3 UNI ATM Statistics Viewing E3 UNI Performance Statistics SIM Hdlc Statistics SIM Frame Relay StatisticsSIM ATM VC Statistics Ethernet Statistics screen displays the following statistics Ethernet Statistics Spanning Tree Statistics Ethernet Statistics CBR Performance Monitoring Statistics CBR ATM Statistics VCM Card Statistics Menu Voice Compression Module Performance Monitoring Statistics Statistics Viewing Virtual CircuitVoice Compression Module VC Statistics Voice Compression Module Port Activity Statistics Row 1 left to right Statistics by Circuit Row 2 left to right Statistics by Port/GroupStatistics by Shaper Virtual Circuit Statistics by Shaper Summary Screen Statistics by Buffer Queue Online Technical ServicesWorld Wide Web Site 3Com FTP Site Access by Digital Modem Access by Analog Modem408 654 408 727 Europe Country Telephone Number Asia Paciﬁc RimLatin America North America Country Telephone Number Fax Number CTX Switch CTX Buffers Menu Displaying Default Memory Allocation , for details about setting up virtual circuits Carrying AAL5 trafﬁc VPI and VCI Ranges PathBuilder S310 does not include an OC3/STM-1 port For intermediate range operation up to 15 kilometers Serial Interface Serial Interface FrameProtocol Modes PathBuilder S330/S310 to ATM PVC ATM DXI Mode AAL DCE Allows DTE to Participate in ATM Network through ATM DXI Shows the applications for DXI Frame Relay Mode HDLC/SDLC Mode Service Interworking Function Network Interworking Function Ethernet Interface Managing trafﬁc Handling congestionEthernet segments over ATM WAN Filtering Spanning Tree operates as follows Spanning Tree Operation Addressing Spanning Tree Instances Virtual Circuit Scheme Virtual Circuits in a Switched Network Segmentation Reassembly PathBuilder S330/S310 Application ATM Bridging Emulation compliant device CBR ModulePage CBR Structured DS1 Drop and Insert Structured DS0 Combining DS0 Signaling and Dynamic Bandwidth Allocation Illustrates AAL1 structured DS1 Page When to use Structured Versus Unstructured Service Structured versus Unstructured SummaryUnstructured Structured Versus Unstructured Effects on Transit DS1 Point-to-Point Video Conferencing Destination # Tx vpi/vci Rx vpi/vci Speed Status Multi-point Video Conferencing Source Tx vpi/vci Rx vpi/vci DSOs VCM supports the following features Numbers Symbols CRC-4126, 132 CTS&DCD option 128 CTX IMA 245 238, 239 port 247 Index 3Com Corporation Limited Warranty Disclaimer