Cabletron Systems 04-0053-01 manuale d’uso

SmartSwitch ATM Switch User Guide 35 Industrial Way Rochester, NH 03866 USA (603) 332-9400 Part Number 04-0053-0 1 Rev. A Order Number 9033002[...]

ii SmartSwitch ATM Switch User Guide NOTICE Cabletron Systems reserves the right to m ake changes in specifications and o ther information contained in this document without prior notice. The r eader should in all cases consult Cabletron Systems to d etermine whether any such changes have been made. T he hardware, firmware, and software described i[...]

SmartSwitch ATM S witch User Guide iii FCC CLASS A NOTICE This device complies with Part 15 of the FCC rules. Operatio n is subject to the following two cond itions: (1) this device may not c ause harmful interf erence, and (2) this device must accept any interference r eceived, including interference that may cause undesired operation. Note This e[...]

iv SmartSwitch ATM S witch User Guide DECLARA TION OF CONFORMITY ADDEN DUM Application o f Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’ s N ame: Cabl etro n Syst ems , Inc. Manufacturer’ s Address: 35 Indust rial W ay P . O. Box 5005 Rocheste r , NH 03866 Product Name: SmartSwi tch A TM switc hes European Re presentative Name: Mr . [...]

SmartSwitch ATM S witch User Guide v SAFETY INFORMA TION CLASS 1 L ASER TRANSCEIVERS The connectors on I/O modules containin g the part numbers I OM-29-4-MIX, I OM-29-4-I R, IOM-29-4-LR, IOM-39-1 and IOM-39-1-LR use Class 1 Laser transceivers. Read the following safety info rmation before installing or oper ating one of these modules. The Class 1 L[...]

vi SmartSwitch ATM S witch User Guide FIBER OP TIC PROTECTIVE CAPS W arning READ BEFOR E REMOVING FIBER OP TIC PROTECTIVE CAPS. Cable assemblies and MMF/SMF ports are shipped with protective caps to prevent contamination. T o avoid contamination, replac e port caps on all fiber optic devices when not in use. Cable assemblies and MMF/SMF ports that [...]

SmartSwitch ATM Switch User Guide vii REGULA TOR Y COMPLIANCE SUMMARY SAFETY SmartSwi tch A TM switches meet the safety requ irements of UL 1950, CSA C22.2 No. 95 0, EN 60950, IEC 95 0, and 73/23/ EEC. EMC SmartSwitc h A TM switches meet t he EMC req ui remen ts o f F CC Pa rt 15, EN 55022, CSA C108 .8, VCCI V-3/93.01, EN 50082-1 , and 89 /336/E EC[...]

viii SmartSwitch ATM Switch User Guide REVISION HISTORY Document Name: Smar tSw itch ATM Switch User Guide Document Part Number: 04-0053 -01 Rev . A Document Or der Number: 9033002 Author: Bruce Jordan Editor: A yesha Maqsood Illustrator: Mike Fornals ki Date Revision Desc ription >ÀV…Ê£™™™ " Initial release[...]

SmartSwitch ATM User Guide ix Table of Content s T A BLE OF CONTENTS 1 Introductio n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 Contents of the Us er Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 SmartS[...]

x Smar tSw i tch AT M User Gui de Table of Contents 5 Virtual P orts and Sta tic Connectio ns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.1 PVC Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.1.1 Point-to-Point PVCs . . . . . .[...]

SmartSwitch ATM Us er Guide xi Table of Content s 9.4 Troubleshooting Congestion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4 9.4.1 Diagnosing Cong es tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4 9.4[...]

xii Smar tSw i tch AT M User Gui de Table of Contents[...]

SmartSwitch ATM User Guide xiii List of Figures LIST OF FI GURES Figure 2-1 Single PVP connection between clients and LANE services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 Figure 2-2 Multiple PVP connection between clients and LANE services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 15 Figure 2-3 LNNI Re[...]

xiv Smar tSw i tch AT M User Gui de List of F igures[...]

SmartSwitch ATM User Guide xv List of Tables LIST OF T ABLES Table 2-1 ELAN Join Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Table 6-1 Traffic descrip tor type number explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xvi SmartSwitch A TM User Gu ide List of Tables[...]

SmartSwitch ATM User Guide 1- 1 1 INTRODUCTION W elcome to the S martSwitch A T M User Guide. This manual prov ides instructi ons and information abou t switch use, maintenance, and problem solving for all SmartSwitch A TM swi tches. These include • SmartSwi tch 2500 W orkgroup a nd Backbone A TM swit ches • SmartSwi tch 6A000 A TM swit ch modu[...]

1-2 SmartSwitch ATM User Guide SmartSwitch ATM S witch Differences Introduction 1.2 SMARTSWITCH A TM SWITCH DIF FERENCES Not all features are supported o n all SmartSwitch A TM switch es. The SmartSwitch 6500 has capabilities that are not supported b y the other SmartSwit ch A TM switches. Th e followin g is a list of capabilities supp orted by the[...]

SmartSwitch ATM User Guide 2- 1 2 IP OVER A TM AND LANE This chapter describes workin g with the SmartSwitch A TM switch IP over A TM VLAN and emulated LAN capabilities. At the end of this chapter you will be able to use your SmartSw itch A TM sw itch to: • Create an IP over A TM VLAN • Create an emulated Ethernet LAN ( L AN E) 2.1 CREATING AN [...]

2-2 SmartSwitch ATM User Guide Creating an IP over A TM VLAN IP Over ATM and LANE 3. Enter the show client command to ma k e sure the client is operational and to obt ain the 20-byte A TM address of the ARP server . For instance, if you u sed the client number (client 1) fr om the example in step 2, enter the following command: SmartSwitch # show c[...]

SmartSwitch ATM User Guide 2- 3 IP Over ATM and LANE Creating an IP over ATM VLAN Note If configu red devices fail to jo in the VLAN, see Chapter 4, "Routing." Section 4.3. Also, see Chapter 9, "T roubleshooting." 2.1. 1 Def ault A TM Add ressing for IP over A TM A TM SmartSwitches provide a default format for A TM addresses use[...]

2-4 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE 2.2 CREATING AN EMULATED LAN This section describes the steps for implemen ting an Emulated LAN (ELAN) on your S martSwitch A TM switch. Note If LANE services are to be r eached through a virtual port on an A TM SmartSwitch, th is sw itch must b e a SmartSwitch 6500 . On l[...]

SmartSwitch ATM User Guide 2- 5 IP Over ATM and LANE Creating an Emu lated LAN Note When you create a client, it automatically finds the LECS address using ILMI. Note The command add laneclient always pro mpts you wit h a subnet mas k that i s appropriate for th e IP address. However , if necessary , you can ch ange the subnet mask to corresp ond t[...]

2-6 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE acquire the LECS address through ILMI or u se the W ell Known Address as the address for the LECS. For details on the A TM SmartSwitch automatic addressing sch eme for LANE, see Section 2.2.1. 7. As each end device registers with the LES and BUS, messages are sent to the e[...]

SmartSwitch ATM User Guide 2- 7 IP Over ATM and LANE Creating an Emu lated LAN The LECS address is constructed from: netprefi x + CPU MAC address + selecto r byte of 01 For example netprefix = 39:00: 00:00:00:00 :00:00:0 0:00:14: 41:89 chassis MAC address = 00:20:D4 :14:41:80 then, default LECS addr ess = 39: 00:00:00:00: 00:00:0 0:00:00:14:4 1:80:[...]

2-8 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE The LECS address is constructed fr om: netprefi x + chass is MA C address + sel ector byte of 01 For example netprefix = 39:00: 00:00:00:00 :00:00:0 0:00:A3:87: 0B chassis MAC address = 00:00:1D :A3:87:0 B then, default LECS addr ess = 39: 00:00:00:00: 00:00:0 0:00:00:A3: [...]

SmartSwitch ATM User Guide 2- 9 IP Over ATM and LANE Creating an Emu lated LAN 2.2. 3 S witch Client s It is important to understand the concept of A TM SmartSwitch client co nn ections. A switch clien t con n ection is actually a VLAN connection to the A TM SmartSwitch’ s CPU (Here, we use the term VLAN to mean any type of “virtual LAN , ” w[...]

2-10 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE 2. Use the add leselan command to create an LES on s witch SW2: SW2 # add leselan ELANNumber(0) : 1 ELANName(ELAN001) : mis1 ConnectMethod(SVC) : ELANType(802.3) : Multipoint(YES) : MTU(1516) : ErrorLogEnable(NO) : MinimumTDEnable(NO) : ForwardPeakCellRate(0) : BackwardPe[...]

SmartSwitch ATM User Guide 2- 11 IP Over ATM and LANE Creating an Emu lated LAN 6. Use the show client command on SW1 to see th at the client h as r eached all the distributed LANE services and has successfully joined ELAN mis1 . SW1 # show client ClientNumber(ALL) : Client Type IP Address Server Type Server Conn Status ============================[...]

2-12 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE Note If the default ELAN (ELAN 0) has been deleted, the cli ent is dropped. By using ELAN joi n policies, client s attempting to jo in LANE services can be assign ed to specific ELANs. T able 2-1 lists the ELAN join policies that can be configured on an A TM SmartSwitch. [...]

SmartSwitch ATM User Guide 2- 13 IP Over ATM and LANE Creating an Emu lated LAN Use the add lecselanpolicy command to create ELAN join po licies. The following is an example of creating an ELAN join policy based on the By Packet Size policy . SmartSwitch # add lecselanpolicy PolicyIndex() : 2 — Can be an y value other than one (1) Type() : ? — [...]

2-14 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE In the followin g example, a client is identif ied by its A TM address and IP address, and associates it with ELAN n u mber 1. SmartSwitch # add lecselanlec AtmAddress() : 39:00:00:00:00:00:00:00:00:00: 44:55:66:11:22:33:44:55:66:00 MACAddress/RouteDesc() : — No MAC add[...]

SmartSwitch ATM User Guide 2- 15 IP Over ATM and LANE Creating an Emu lated LAN Figure 2-1 Single P VP connec tion b etween client s and L ANE serv ices Physical BUS multicas ting implies that the BUS performs multicasting according to physical ports. With a single PVP , the BUS understands that all requests are coming from a particular port. Accor[...]

2-16 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE Currently , the SmartSwitch 6 500 is the only SmartSwitch A TM switch that supports logical m ult icastin g. For this reason , if y ou are connectin g to LANE services acro s s an A TM W AN using mu ltiple PVPs an d if cli ent jo in reque sts for the same ELAN ar e receiv[...]

SmartSwitch ATM User Guide 2- 17 IP Over ATM and LANE Creating an Emu lated LAN Figure 2-3 LNNI Redunda nt LECSs on s ame network LANE Load Sharing Running multiple LECSs , alleviates the bottleneck of a single LECS supportin g all clients on all ELANs. Under LNNI, a client requesting a call setup is serviced b y the LECS, LES and BUS on th e switc[...]

2-18 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE Figure 2-4 LNNI call set up load sha ring Addit ional lo ad shar ing can be ach ieved us ing LN NI and di strib uted LA NE serv ices. U sing dis tribu ted LA NE, LNN I allows each swit ch containing an LEC S to support up to eight (8) LES/BUSs o n eight other (separat e) [...]

SmartSwitch ATM User Guide 2- 19 IP Over ATM and LANE Creating an Emu lated LAN Figure 2-5 How LNNI h andles E LAN join request s Setting up LNNI LECs The procedure for setting up LNNI on a SmartSwitch A TM swit ch is performed by executing the following basic steps: • Shut down all LANE services — LECS, LES and B US • Config ure LNNI • Ena[...]

2-20 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE 1. On both SW1 and S W2, enter the stop lecs command to make sure each LECS is down SW1 # stop lecs Confirm(y/n)?: y NOTICE - 'LECS' ***** LECS shutdown ***** SW1 # 2. On both SW1 and S W2, enter the stop les command to stop each switch’ s LES and BUS SW1 # st[...]

SmartSwitch ATM User Guide 2- 21 IP Over ATM and LANE Creating an Emu lated LAN 6. On SW1, create an EL AN; in this example, we create elan1 : SW1 # add elan ELANNumber(0) : 1 ELANName(ELAN001) : elan1 ConnectMethod(SVC) : ELANType(802.3) : Multipoint(YES) : MTU(1516) : ErrorLogEnable(NO) : MinimumTDEnable(NO) : Distribute(PROXY) : SW1 # Similarly [...]

2-22 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE Similarly , enter the show elan 1 comman d on SW2 to obtai n SW2’ s LECS address SW2 # show elan 1 ELAN 1 ============================================================================== ELAN Number : 1 LECS Address : 39:00:00:00:00:00:00:00:00:00:BF:BA:26:00:00:1D:BF:BA:[...]

SmartSwitch ATM User Guide 2- 23 IP Over ATM and LANE Creating an Emu lated LAN connected by a logical full-mesh topology . In this case, the term “ logical ” means only that all LNNI switches participating within a particular domain should be able to reach each other . T y pically , a full-mesh topology is satisfied by PNNI, and do es not requ[...]

2-24 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE 6. On switch SW3, use th e set lnnistatus command to enable LNNI and SCSP (Server Cach e Synchro nization P rotocol). SW3 # set lnnistatus LNNIStatus(Disabled) : enable SCSPStatus(Disabled) : enable SW3 # Note SCSP does not have to b e enabled for an LES to take part in L[...]

SmartSwitch ATM User Guide 2- 25 IP Over ATM and LANE Creating an Emu lated LAN T o see a list of servers (LES/BUS or SMS servers) known to a particular LNNI LECS, enter the show lecsserverlist command on a switch running an LNNI LECS: SW1 # show lecsserverlist ELANNumber(ALL) : 1 LES/SMS servers known for ELAN 1 ===================================[...]

2-26 SmartSwitch ATM User Guide Creating an Emulated LAN IP Over ATM and LANE[...]

SmartSwitch ATM User Guide 3- 1 3 PNNI ROUTING All A TM SmartSwitch es use PNNI versio n 1.0 as th eir default routing pr otocol. PNNI provides automatic and dy namic connectivity among all PNNI nodes wi thin the sam e peer group . By config uring multi-leve l PNNI topolog ies and peer group leader s, full hierarchical PNNI routing c an be establis[...]

3-2 SmartSwitch ATM User Guide PNNI Node Address ing PNNI Routing Note If the node d oes not have a child node, and the no de is also at the lowest level, the second byte is assigned the constant value A 0 (160 decimal). For example, for a no de at the l owest level (80) , the level and addr ess length b yt es a re 50 (80 in hexadecimal ) and a0 (1[...]

SmartSwitch ATM User Guide 3- 3 PNNI Routing Multi-level PNNI Topology Use the show pnninode command to view A TM SmartSwitch PNNI node p arameters. For example: SmartSwitch # show pnninode NodeIndex(1) : ================================================================================ Node Index : 1 Node Level : 80 Node Id : 50:a0:39:00:00:00:00:00[...]

3-4 SmartSwitch ATM User Guide Multi-level PNNI Topology PNNI Routing 1. Physically connect switches SW A1, SW A2, and SW A3. Similarly , physically connect switches SWB1, SWB2, and SWB3 (see Figure 3-1). Figure 3-1 Physical connec tivity for multi-peer group exam ple 2. Use the set pnnipeergroupid com mand to change th e peer g roup I D of the swi[...]

SmartSwitch ATM User Guide 3- 5 PNNI Routing Multi-level PNNI Topology Note The first byte of the peer gr oup ID indicates the peer group’ s level. It also indicates the number of significant bits used in the peer g roup ID. For example, if the level indicato r is 50 (80 decimal ), then 80 bits / 8 = 10 bytes; and only 10 of the 13 bytes are sign[...]

3-6 SmartSwitch ATM User Guide Multi-level PNNI Topology PNNI Routing Do the same on switch SWB 3 : SWB3 # set pnnipglelection NodeIndex(1) : LeadershipPriority(0) : 205 — Highest priori ty in election process ParentNodeIndex(0) : 2 — Node 2 will represent the peer group B in the parent group InitTime(15) : OverrideDelay(30) : ReElectTime(15) :[...]

SmartSwitch ATM User Guide 3- 7 PNNI Routing Multi-level PNNI Topology Connect ivity is now es tablish ed between the two peer gr oups. For example, if LANE servi ces are running on a swi tch within peer gro up A, LANE client s can exist in gr oup B . The cl ient s in group B will tr averse t he l ink bet ween the two groups , find the LANE s erver[...]

3-8 SmartSwitch ATM User Guide Multi-level PNNI Topology PNNI Routing 2. Add a third node (at le vel 6 4) to either switch SW A3 or SWB3. 3. Use the set pnnipglelection command to designate th e switch’ s second node ( not th ird ) as the PGL for the parent peer group, and s pecify the th ird node as the parent node of t he second. 4. Perform st [...]

SmartSwitch ATM User Guide 3- 9 PNNI Routing Managing Parallel PNN I Links 3.3 MANAGING PARALLEL PNNI LINKS A TM SmartSwitches can be connected by more t han one physical link. PNNI tre ats these connections as parallel physical link s. By default, parallel links are con si dered to have equal capabilities with regard to call set ups. For exampl e,[...]

3-10 SmartSwitch ATM User Guide Managing Parallel PNNI Links PNNI Routing Use the set pnniinterface command to set the admini strative weight of a p hysical link origi nating from a particular port. The following, is an example of in creasing the administrative weight for CBR call setups through the phy sical link on port 7a1: SmartSwitch # set pnn[...]

SmartSwitch ATM User Guide 3- 11 PNNI Routing Managing Parallel PNN I Links The physical connection fr om switch SW A2 to switch SWB 2 is now advertised as a second logical link within the parent p eer group (s ee Figure 3-4). Figure 3- 4 Ag gregatio n token valu es and pa rallel links 3.3. 2 PNNI Li nk T iming By default, if a PNNI link loses con [...]

3-12 SmartSwitch ATM User Guide Managing Parallel PNNI Links PNNI Routing However , certain time-sens itive implementati ons of PNN I may require that link fail occur either immedi ately or after a period of time longer than three seconds. Use the set linkmonitortimeout command to contr ol the time required for the SmartSwitch A TM s witch to assum[...]

SmartSwitch ATM User Guide 4- 1 4R O U T I N G 4.1 ADDITIONAL ROUTING PROTOCOLS Along with P NNI, all A TM SmartSwit ches support additional A TM routing prot ocols: • IISP — Use to connect with devices that do not support PNNI • UNI — Use to connect end stations (also to connect devices whose implementation of ILMI is incompatible with the[...]

4-2 SmartSwitch ATM User Guide IISP Routes Routing Note For IISP routes, always set the Type param eter of the add atmroute command t o external . This indicates that the route i s external to the PNNI domain. Note The add atmroute com mand allows yo u to specify a set of metrics to be used with the route. Metrics are created using the add pnnimetr[...]

SmartSwitch ATM User Guide 4- 3 Routing IISP Routes IISP Routing Example One In Figure 4-1 Switch A is an IISP d evice connected to the PNNI domain through Switch B. Switch A contains an LEC, which is a member of an ELAN whose LECS is on Switch C (within th e PNNI domain). If the LEC on Sw itch A is to make contact with the LECS on Switch C, Switch[...]

4-4 SmartSwitch ATM User Guide IISP Routes Routing Figure 4-2 Routes nee ded for a seco nd IISP s witch 4.2. 2 IISP Link T iming By default, if an IISP link loses con nectivity , the li nk fails after three (3 ) seconds. Thi s short amo unt of time is design ed as a buf fer in case of minor latency . By waiting three seconds befor e releasing resou[...]

SmartSwitch ATM User Guide 4- 5 Routing UNI Routes 4.3 UNI ROUTES Use the add atmroute command to create UNI routes. For examp le, connect an end station adapter (with MAC address 00:11:22:33:4 4:55) to po rt 7A2 of a SmartSwitch 6500. If the adap ter does no t support ILMI or its ILMI is incomp atible with the SmartSwitch 6500, you must create a s[...]

4-6 SmartSwitch ATM User Guide UNI Routes Routing 4. Enter the show atmroute command to check that the UNI rou te was added. SmartSwitch # show atmroute AddressNumber(ALL) : No. Port Route Address Type Protocol ================================================================================ 1 7B4 39:00:00:00:00:00:00:00:00:00:14:41:80:00:20:d4:14:4[...]

SmartSwitch ATM User Guide 4- 7 Routing Route Metrics Caution Remember that while some special network configura tions may r equire t he TimeoutValue to be zero (0), setting TimeoutValue to less th an three seconds may cause a UNI route to fail unnecessarily . For this reason, care should be taken when s e ttin g the TimeoutValue to less than three[...]

4-8 SmartSwitch ATM User Guide Route Metrics Routing 1. Create the outgoing m ember of the metric pair: SmartSwitch # add pnnimetric Executing this command : add PnniMetrics MetricsTag(1) : 9 TrafficDirection(Outgoing) : — 1st pair member , we accep t the default (Out going) ServiceCategory(UBR) : cbr GCAC_CLP(2) : AdminWt(5040) : 200 MaxCellRate[...]

SmartSwitch ATM User Guide 4- 9 Routing IP Routing for Management Once the metric is created, we can specify its metric tag number within the defin ition of a route. I n this example, an IISP route is being created : SmartSwitch # add atmroute PortNumber() : 6b2 AtmAddress() : 39:00:00:00:00:00:00:00:00:00:55:77:88 PrefixLength(104) : Index(0) : Ty[...]

4-10 SmartSwitch ATM User Guide IP Routing for Management Routing T o see the route, enter the show route comma nd on SW 2 SmartSwitch # show route ROUTE NET TABLE destination gateway flags Refcnt Use Interface ------------------------------------------------------------------------ 0.0.0.0 0.0.0.0 1 0 0 zn0 90.1.1.0 90.1.1.33 1 0 1688 zn1 128.205.[...]

SmartSwitch ATM User Guide 5- 1 5 V IRT UAL PORTS AND STATIC CONNECTIONS 5.1 PVC CONNECTIONS A T M Sm artSwitches sup po r t Perm anent V irtual Circu its (PVC s), both poin t-to-point an d p oint-to-m ultipoint. Use PVCs to co nnect devices (that do n ot support S VCs) to a switch’ s local client. Also, use PVCs to make connections through an A [...]

5-2 SmartSwitch ATM User Guide PVC Connections Virtual Ports and Static Connections For this example, we specify CBR as the traffic type, then take the remaining defau lts. Enter the show trafficdescriptor command to ob tain the index numb er of the new traf fic descriptor . In this example, the index numb er is two (2 ). SmartSwitch # show traffic[...]

SmartSwitch ATM User Guide 5- 3 Virtual Ports and Static Connec tions PVC Connections Example: Create a point-to- m ultipoint connection between a broad casting workstation on p ort 7a1 and three ot her workstations connected to ports 7a2 , 7a3 , and 7a4 . 1. Use add trafficdescriptor to create two new traff ic descriptors, one for the forward dire[...]

5-4 SmartSwitch ATM User Guide PVC Connections Virtual Ports and Static Connections 5. Connect the workst ation s to their respective ports. 6. Config ure the wor k stations for th e same subnet and VPC I/VCI p air = 0/101 . The broadcas ting works tation o n port 7a1 can send traf fic to the r eceiving workstations on ports 7a2 , 7a3 , and 7a4 . 5[...]

SmartSwitch ATM User Guide 5- 5 Virtual Ports and Static Connec tions PVP Connections 5.2 PVP CONNECTIONS Note PVP connections are sup ported only on the Smar t Switch 6500. H owever , because all A TM Sm artSwitches support vi rtual ports, PVPs can be termin ated u sing any SmartSwitch A TM switch. The SmartSwitch 6500 suppor ts the creation of Pe[...]

5-6 SmartSwitch ATM User Guide PVP Connections Virtual Ports and Static Connections 2. Use the set portconfig command to turn off sign aling and ILMI and to specify bits for VPIs on port 7b1 : SmartSwitch # set portconfig PortNumber() : 7b1 — Specify the secon d port PortAdminStatus(up) : IlmiAdminStatus(up) : down SigType() : nnipvc SigRole(netw[...]

SmartSwitch ATM User Guide 5- 7 Virtual Ports and Static Connec tions Virtual Ports 5.2. 1 Connecting PV Ps PVPs are physically c onnected to other d evices in the following two ways: • Physically con necting the PVP p ort to another PVP sw itch When connecting to another PVP switch, the VPI numbers assigned to the ports carrying the PVP on each [...]

5-8 SmartSwitch ATM User Guide Virtual Ports Virtual Ports and Static Connections 5.3.1 Creat in g Virtua l Ports V irtual ports are created o n physical ports by first allocating a ran ge of V irtual Path Identifiers (VPIs), and th en distribu ting the VPIs amon g the virtual po rts. The number o f VPIs used depends on the number o f virtual por t[...]

SmartSwitch ATM User Guide 5- 9 Virtual Ports and Static Connec tions Virtual Ports Note For PNNI, the nu mber of VPIs used by each virt ual port should be one ( 1). For virtual UNI, the number of VPIs used by each virtual port should correspo nd to the numbe r of VPIs on the user s ide of the UNI connecti on (For inf ormation on virtual UNI, re fe[...]

5-10 SmartSwitch ATM User Guide Virtual Ports Virtual Ports and Static Connections 3. Use the PortNumber and MaxVpiBits paramet ers of th e add port command to create the virtual ports. SmartSwitch # add port PortNumber() : 7a1.1 — The .1 means ou r Base VPI is one (1) PortAdminStatus(up) : IlmiAdminStatus(up) : SigType(autoConfig) : SigRole(othe[...]

SmartSwitch ATM User Guide 5- 11 Virtual Ports and Static Connections Soft PVC and PVP Connections Things T o W atch Out For When Creat ing V irtual Ports • Make certain that the v irtual port number (Base VPI) plus the VPIs de signated by MaxVpiBits does not exceed the A vailable VPIs as specified by MaxVpiBits in the set portconfig co mmand. ?[...]

5-12 SmartSwitch ATM User Guide Soft PVC and PVP Connections Virtual Ports and Static Connections 5.4.2 Making Soft PVC and P VP Conn ectio ns Creating soft PVC an d PV P connectio ns consists o f the foll owing gen e ral step s: • Configure a target port and A TM target address on the tar get switch • Create a traf fic descriptor to be used by[...]

SmartSwitch ATM User Guide 5- 13 Virtual Ports and Static Connections Soft PVC and PVP Connections 1. Define a tar get A TM address to be used on the tar get switch. The target A TM address can be any address that is either eigh t (8) or twenty (2 0) bytes long and must not be iden tical to any address currently listed in th e A TM routing table. U[...]

5-14 SmartSwitch ATM User Guide Soft PVC and PVP Connections Virtual Ports and Static Connections 5. On the source switch, use the add spvc command to create the sof t PVC connection between the two switches: SmartSwitch # add spvc PortNumber() : 7a1 — Port on source swi tch SourceVpi(0) : 0 SourceVci(32) : 101 DestinationSelectType(REQUIRED) : ?[...]

SmartSwitch ATM User Guide 5- 15 Virtual Ports and Static Connections Soft PVC and PVP Connections 5.4. 4 Creating a S oft PVP Note Soft PVP s are supp orted onl y on t he SmartSwitch 6500 A TM switch. The following is an example o f creating a soft PVP between por t 7a1 on the source swi tch and port 6b3 on the tar g et switch. 1. Use the set port[...]

5-16 SmartSwitch ATM User Guide Soft PVC and PVP Connections Virtual Ports and Static Connections 3. Use the add spvcaddress command on the tar get s witch to specify the targ et port and A TM address. SmartSwitch # add spvcaddress PortNumber() : 6b3 — Port on target switch AtmAddress() : 22:22:22:22:22:22:22:22:22:22: 22:22:22:22:22:22:22:22:22:[...]

SmartSwitch ATM User Guide 5- 17 Virtual Ports and Static Connections Soft PVC and PVP Connections Enter the show spvp command on the tar get switch to see the soft PVP and its current state: SmartSwitch # show spvp PortNumber(ALL) : 7a1 SourceVpi(0) : 3 ====================================================== Port Src VPI Leaf Ref Operation Status =[...]

5-18 SmartSwitch ATM User Guide Soft PVC and PVP Connections Virtual Ports and Static Connections[...]

SmartSwitch ATM User Guide 6- 1 6 T RAF FIC MANAGEMENT 6.1 T RAFFIC MANAGEMENT CAPABILITIES A TM SmartSwitches have extensive abilities for managing traf fic flow . T r affic management includ es all operations performed by the A TM SmartSwitch th at ens ures optimum switch throughput, where throughp ut is bas ed on rate of packet loss, available b[...]

6-2 SmartSwitch ATM User Guide Traffic Management Capabilities Traffic Management A TM SmartSwitch user data cells are classified according to the state of a cell loss priority (C LP) bit in the h eader of each cell. A CLP 1 cell has a lower prior ity than a CLP 0 cell and is discard ed first. Source traf fic descriptors can specify CLP 0 cell traf[...]

SmartSwitch ATM User Guide 6- 3 Traffic Management Traffic Management Capabilities A user-defined PVC must have user-defined traf fic descriptors. For instance, if a video link o v er a PVC requires a peak cell rate of 8000 kb /s, create a traf fic descriptor for CBR traf fic that specifies 8000 as the peak cell rate. SmartSwitch # add trafficdescr[...]

6-4 SmartSwitch ATM User Guide Traffic Management Capabilities Traffic Management Use the command show caceqbwallocscheme to view the current CAC policies used b y each port for each class of service. SmartSwitch # show caceqbwallocscheme PortNumber(ALL) : =========================================================== Port# Alloc Scheme for CBR RTVBR [...]

SmartSwitch ATM User Guide 6- 5 Traffic Management Traffic Management Capabilities 6.1.3 Que ue Buffers A TM SmartSwitches perform buf fering using a s h ared-memory architecture. B uffer space is divided into q ueues for each class of service. In tur n, ports are allocated a portion of each of the service c lass queues. This allocation is controll[...]

6-6 SmartSwitch ATM User Guide Traffic Management Capabilities Traffic Management • Queue 4 — A vailable Bit Rate (ABR) • Queue 5 — Unspecified B it Rate (UBR) If calls of a particular service class are b eing dropped on a particular port, use the set porttrafficcongestion command to r aise the port’ s queue Min threshold. For example, to[...]

SmartSwitch ATM User Guide 6- 7 Traffic Management Traffic Management Capabilities 6.1.4 EFCI, EPD, and RM Cell Markin g T o contr o l switch congestion, A TM SmartSwitches implement standard resource managem ent cell (RM-cell) marking, explicit forward congestion indicator cell marking (with backward RM cell marking), and early packet discard (EPD[...]

6-8 SmartSwitch ATM User Guide Traffic Management Capabilities Traffic Management[...]

SmartSwitch ATM User Guide 7- 1 7 FIRMWARE UPGRADES AND BOOTLINE COMMANDS 7.1 UPDATE FIRMWARE COMMANDS Y ou can upgrade the operating firmware of an A TM SmartSwitch while the switch is running its current firmware. This procedure is kn own as a hot upgrade and is accomplished by the update firmware command. When an A TM SmartSwitch is started (or [...]

7-2 SmartSwitch ATM User Guide Bootline Commands Firmware Upgrade s and Bo otline Commands If possible, determine why the update firmware command failed. Possibl e causes are: • The A TM Sm artSwitch lost netwo rk co nn ectivity before it finished its download • The wrong file or a corrupt file was dow nload ed into memory If you can correct th[...]

SmartSwitch ATM User Guide 7- 3 Firmware Upgrades and Bootline Commands Bootline Com mands • Load switch firmware up grades • Set whether power-on system tests (POST) are automatically run at start-up • Change the master/slave relationship fo r TSM/CPUs and CSMs on SmartSwitch 6500s 7.2. 1 Accessing the B ootlin e Prompt Bootline command s ar[...]

7-4 SmartSwitch ATM User Guide Bootline Commands Firmware Upgrade s and Bo otline Commands 7.2. 2 Bootlin e Comm ands Expl anat ions The following table descr ibes the commands available fro m the bootline prompt, th eir use, and their associated parameters. T a ble 7-1 Bootl ine comm ands Command Action Parameters chpi Chan ge defa ult boot load i[...]

SmartSwitch ATM User Guide 7- 5 Firmware Upgrades and Bootline Commands Bootline Com mands Figure 7-1 Memory location s affected by the bootli ne comman ds scsm Switch to the redundant CSM: T ells the SmartSwitch 6500 to transfer CSM mastership to the slave CSM. none swms Switches CPU mastership to other TSM/C PU: Changes the slave TSM/CPU to the m[...]

7-6 SmartSwitch ATM User Guide Bootline Commands Firmware Upgrade s and Bo otline Commands 7.2. 3 Upgradin g Boot Load fi rmware T wo images of the boot load firmware reside in fla sh RAM. The two images are identified as boot load imag e 0 and boot lo ad image 1. B oth boot load imag es can be upg raded by us ing a TF TP/Bootp server . However , a[...]

SmartSwitch ATM User Guide 7- 7 Firmware Upgrades and Bootline Commands Bootline Com mands Changing the Defaul t Boot Load Image Continuing with the example above, p erform the following steps to set boot load imag e 0 back to being the default. 1. Reboot the A TM SmartSwitch. 2. When the following message appears “Preparing to run Default Primar[...]

7-8 SmartSwitch ATM User Guide Bootline Commands Firmware Upgrade s and Bo otline Commands ............................................................................ ............................................................................ ............................................................................ ............................[...]

SmartSwitch ATM User Guide 7- 9 Firmware Upgrades and Bootline Commands Bootline Com mands ................................................... Validity checks of the Switch Software Downloaded file... All Validity checks OK Programming downloaded image into Switch Software section, please wait... New Switch Software programmed successfully => 9.[...]

7-10 SmartSwitch ATM User Guide Bootline Commands Firmware Upgrade s and Bo otline Commands[...]

SmartSwitch ATM User Guide 8- 1 8 A TM FILTERING AND CLOCKING 8.1 PORT A TM ADDRESS FILTERS SmartSwitch A TM switches support A TM address filtering. Add ress filtering provides a way to co ntrol call setups through S VCs. Fil tering is a p rocess of st ating whet her entities wi th particu lar A TM source or dest ination addr esses (or ranges of a[...]

8-2 SmartSwitch ATM User Guide Port ATM Address Filters ATM Filtering and C locking 8.1.3 A TM Address Fi lter Exam ple The following is an example of creating a filter, a filter set, and assigning the filter set to an incomi ng and outgoi ng port . 1. Use the add atmfilter command to create filters on source and/or destinatio n addresses SmartSwit[...]

SmartSwitch ATM User Guide 8- 3 ATM Filtering and Clocking Port Clock Configuration By setting the mask appropriately , a filter could either admit or deny access to all but a few addresses within a range. For example, if a filter ’ s mask is set to 00:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF:FF , the filter disregards the first by t[...]

8-4 SmartSwitch ATM User Guide Port Clock Configuration ATM Filtering and C locking By default , the clock m ode for all S martSwitch 650 0 ports is local . Use the set portclockmode command to change a ports clocking source. For examp le, the following sets port 5a3 into l oop back mode. SmartSwitch # set portclockmode PortNumber(ALL) : 5a3 PortCl[...]

SmartSwitch ATM User Guide 9- 1 9 T ROUBLESHOOTING This chapte r provides basic tro ubleshooti ng for di agnosing and fixing problem s with VLAN, emu l ated LANs, P NNI links, and A TM traf fic congestion. 9.1 T ROUBLESHOOTING IP OVER A TM Y ou ha ve configur ed an IP over A TM VLAN, but y our network appl ications are n ot working. Use these quest[...]

9-2 SmartSwitch ATM User Guide Troubleshooting LAN Emulation Troubleshooting 5. If working through these question s does not sol ve the probl em, contact Cablet ron Systems Customer Service. (see Appendix B, "T echnical Support"). 9.2 T ROUBLESHOOTING LAN EMULATION Y ou h ave configu red an Emu lated LAN and yo ur network applicat ions ar[...]

SmartSwitch ATM User Guide 9- 3 Troubleshooting Troubleshooting PNNI Links - Do devices begin to regist er with the LES and BUS once multi-p oint signaling is turned off? 7. Check whether BUS is connected. • Use show busclient to check whether devices are registered with th e B US. If clients are registered, check end no de config uration. If not[...]

9-4 SmartSwitch ATM User Guide Troubleshooting Congestion Troubleshooting 2. Make certain that the switches in the other peer gro up support mu lti-level PGLs and border nodes. If not, the other switches must be placed in the s ame peer group as the A TM SmartSwitch if you want them to connect. 3. Are the switches within the peer groups comm unicat[...]

SmartSwitch ATM User Guide 9- 5 Troubleshooting Troubleshooting Congesti o n *Use th e show portconfig command to view bandwi dth utilization 3. Has the conges tion subsid ed? • If yes, y ou are done. • If no, con tinue. 4. Have you chan ged the EP D threshold ( set switchtrafficcongestion command) ? • If yes, replace it to the default settin[...]

9-6 SmartSwitch ATM User Guide Events and Alarms Troubleshooting • If yes, t he switc h is impr operly s et up. Check the sw itch confi guration. • If no, t his indicates port con gestion. Cont inue. 2. Enter the show cacinfo command for th is port. Note the bandwidth allocated fo r each Quality of Service on this po rt. 3. For each class of se[...]

SmartSwitch ATM User Guide 9- 7 Troubleshooting Events and Alarms Both events and alarms are stored wit hin circular memo ry buf fers. When the buffers beco me full, older even t s and alarms are overwritten by newer entries. Both events and alar ms are stored in shared RAM. However , the 40 most recent alarms are also stored in flash RAM. Storing [...]

9-8 SmartSwitch ATM User Guide Events and Alarms Troubleshooting Note Depending on the activ ity of your A TM SmartSwitch, the appearance of ev ents on the A TM SmartSwitch may be too frequent to use the co nsole comfortably . It is recommended that you turn on t he automatic di splay of ev ents only when troubles hooti ng. Use the show alarms comm[...]

SmartSwitch ATM User Guide 9- 9 Troubleshooting Saving Core Dumps 9.6 SAVING CORE DUMPS The A TM SmartSwitch core dump feature allows you to specify a local Ethernet host where, in the event of a system failure, the A TM SmartSwi tch sends a co py of its memory . A TM SmartSwitch system memo ry is saved to tw o files, one containing C PU memor y ( [...]

9-10 SmartSwitch ATM User Guide Saving Core Dumps Troubleshooting If a system failure occurs while the core d ump feature is enabled, the A TM SmartSwitch console appears similar to the example below . The A TM SmartSwitch then begins sending images of its memory to the core dump files on the TF TP server . Illegal access. Bus Error. IP: e0103288 P[...]

SmartSwitch ATM User Guide A-1 APPENDIX A AGENT SUPPORT This append ix briefly descr i bes the supp ort prov ided for m anaging an A TM SmartSwitch using Si mple Netw ork Management Prot ocol (SNMP). A.1 MIB, SMI, MIB FILES AND INTERNET MIB HIERARCHY A MIB (Management Information Base) is the term used to represent a virtual store of management dat[...]

A-2 SmartSwitch ATM User Guide MIB, SMI, MIB Fi les and Internet MIB Hierarchy Agent Support Fig ure A-1 Int ernet MI B hi erarc hy A.1.1 CSI Zei tNet Prop rietar y MIBs The location of some of ZeitNet proprietary MIBs in the I nternet hierarchy is shown in Figure A-2. All nodes starting with “zn” represent Zeitnet objects. The priv ate ZeitNet[...]

SmartSwitch ATM User Guide A-3 Agent S upport MIB, SMI, MIB Files and Internet MIB Hierarc hy . Figure A- 2 CSI Zeit Net Pri vate MI Bs In Figur e A-2, the Zeit Net propri etary gro up is iden tified by 1.3.6 .1.4.1.1 295; its subgrou p, called znProducts , is identified by 1; and the first variable is znManagedObjects with a value of 2. Therefore,[...]

A-4 SmartSwitch ATM User Guide MIB, SMI, MIB Fi les and Internet MIB Hierarchy Agent Support : Figure A -3 Cab letron A TM Sm artSwitc h object identifi er examp le A.1.3 Supp orted p rotoc ols All A TM SmartSwi tches support Simple Network Manag ement Protocol (SNMP). B oth the SNMPv1 and SNMPv2c formats of the protocol are support ed. A.1.4 Suppo[...]

SmartSwitch ATM User Guide A-5 Agent S upport MIB, SMI, MIB Files and Internet MIB Hierarc hy znIpAtmSer ver 1.3.6.1.4 .1.1295 .2.200.2 IP A TM Server Se rvices znCommonOb js 1.3.6.1 .4.1.12 95.2.3 00 Zeitnet Specif ic Informat ion znT rapObjs 1.3.6.1 .4.1 .1295.2 .301 ZeitNet T raps znSw itchObj ects 1.3 . 6.1.4. 1.129 5.2.33 33 Swit ch/ha r dware[...]

A-6 SmartSwitch ATM User Guide MIB, SMI, MIB Fi les and Internet MIB Hierarchy Agent Support A.1.6 A TM SmartS witch MIB Support The A TM Sm artSwitch is shipped wi th the following MIBs: • MIB II (RF C 1213) • Interface T able MIB (RFC 1573) • A T oM MIB (RFC 1695) • AT o M 2 M I B • LANE MIB (A TM Forum) • ILMI 4. 0 MIB (A TM Forum) ?[...]

SmartSwitch ATM User Guide A-7 Agent Support Managing an ATM Sm artSwitch - p2mp Root - p2mpLeaf • atmVplReceiveT rafficDescrIndex — Doesn’ t accept ABR traf fic descriptor • atmVplT ransmitTraf ficDescrIndex — Doesn’t accept ABR traf fic descriptor Not Support ed The following MIB objects are not sup ported. If used, these objects retu[...]

A-8 SmartSwitch ATM User Guide Managing an ATM SmartSwitch Agent Support • Community : Sets th e community s trings for the A TM SmartSwitch • T rapCommunity: Specifies the NMS to which traps are sent • MyNMAddr: Specifies the IP addr ess through which the switch is managed • T rustedNMS:Specifies the IP address of the NMS allowed to perfor[...]

SmartSwitch ATM User Guide B-1 APPENDIX B T ECHNICAL SUPPORT This append ix tells y ou what to do i f you need technical supp ort for your A TM SmartSwit ch. Cabletron offers sev eral supp ort and s ervice pr ograms that pr ovide hi gh-qual ity supp ort to our customer s. For technical support, first contact your place of purchase. If you need addi[...]

B-2 SmartSwitch ATM User Guide Hardware Warranty Technical Support • Hardware model nu mber , software versi on, and switch con figu ration (that is, what pa rt types are in what slots) B.5 HARDWARE W ARRANTY Cabletron warrants its products against defects in the physical product fo r one year from the date of receipt by the end user (as shown by[...]

SmartSwitch ATM User Guide Index-1 INDEX A accessi ng the boot load p rompt ................ 7-3 address filters ................... ........................ 8-1 exam ple ............. ........................... ...... 8-2 address masking ................................. ...... 8-2 administ rative we ight ............................... 3-9 agent[...]

Index-2 SmartSwitch ATM User Guide In dex add spvca ddress ......................5-13 , 5-16 add spvp ......................... .................. 5-16 add tra f ficdescript or ........................... 6-3 create portfilters et ................... ........... 8-2 reboot ............................. .................... 7-2 set cac eqbwallocs ch[...]

SmartSwitch ATM User Guide Index-3 Index ident ifyin g clie nts ........................ .... 2-14 index numbe r ...................... ............. 2-13 priori ty value .............. .................. .... 2-13 ELANs across multiple switches ............. 2-8 Emulated LAN ................................... ...... 2-4 enab ling E FCI m arki ng [...]

Index-4 SmartSwitch ATM User Guide In dex LES/BUS connecti vity .................... .................. 2-19 LES/BUS load s haring ......... .................. 2-17 LGN .................... .................. .................... 3-3 link t imi ng .......... .................. ... 3-11 , 4- 4 , 4-6 LNNI ........................... .................[...]

SmartSwitch ATM User Guide Index-5 Index phys ical mu lticas tin g .............................. 2-14 PNN managing pa rallel links ...................... 3-9 PNNI adding hi gher-le vel pee r groups ........ 3-7 adding no des ...................................... 3-5 administ rative we ight ........................ 3-9 aggregat ion token s .......[...]

Index-6 SmartSwitch ATM User Guide In dex S scsm ............................. ........................... .. 7-5 SCSP ........................... ..................2-22 , 2-24 secu rity ................................. .................. .. 9-9 SmartS witc h 650 0 SNMP agent ............................ .......... A-1 support ed MIBs ............[...]

SmartSwitch ATM User Guide Index-7 Index update firmw are ........................ ............... 7-8 upgra des ........................... .................. ...... 7-1 upgra ding boot loa d firmware ....................... ...... 7-6 changing default boot load image ...... 7-7 POST diagnos tics ............... ............... 7-7 switch op erati[...]