Lane Load Sharing | Cabletron Systems 04-0053-01 manual

IP Over ATM and LANE

LECS 0

Creating an Emulated LAN

LECS 1

Figure 2-3 LNNI Redundant LECSs on same network

LANE Load Sharing

Running multiple LECSs, alleviates the bottleneck of a single LECS supporting all clients on all ELANs. Under LNNI, a client requesting a call setup is serviced by the LECS, LES and BUS on the switch that it’s directly connected to, leaving other SmartSwitch ATM switches free to service the call setups from their directly attached clients (see Figure 2-4).

SmartSwitch ATM User Guide 2-17

Image 35

Cabletron Systems 04-0053-01 manual Lane Load Sharing, Lnni Redundant LECSs on same network

Contents

Part Number 04-0053-01 Rev. a Order Number SmartSwitch ATM Switch User Guide Ii SmartSwitch ATM Switch User Guide FCC Class a Notice Product Name Application of Council DirectivesManufacturer’s Name Manufacturer’s Address Safety Information Class 1 Laser Transceivers Fiber Optic Protective Caps Regulatory Compliance Summary Safety Document Name Revision History Table of Contents Virtual Ports and Static Connections Index Table of Contents Xii SmartSwitch ATM User Guide List of Figures List of Figures Xiv SmartSwitch ATM User Guide List of Tables List of Tables Xvi SmartSwitch ATM User Guide Introduction Contents of the User Guide Smartswitch ATM Switch Differences Subnet mask is for example only IP Over ATM and LaneCreating AN IP Over ATM Vlan IP address is for example only Creating an IP over ATM Vlan IP Over ATM and Lane Default IP Over ATM Local Client Address Default ATM Addressing for IP over ATMDefault Netprefix for SmartSwitch 2500 Family Switches Default Netprefix for SmartSwitch Creating AN Emulated LAN Ilmi ATM Addressing for LAN Emulation SmartSwitch 2500 Family Default Lane Addressing CPU MAC address = 0020D4144180 Elan number = Then SmartSwitch 6500 Default Lane AddressingLecs address is constructed from Chassis MAC address = 0020D4144180 Then Chassis MAC address = 00001DA3870B Elan number = Then ELANs Across Multiple SwitchesChassis MAC address = 00001DA3870B Then Just for this example Switch ClientsDistributed Lane Services Specify the LES address on SW2 Use the add leselan command to create an LES on switch SW2 SW1 # show client Elan Join PoliciesBest Effort Elan Join Test By Route Descriptor By MAC Address Use ? to see possible types Weight the policy atLecselanlec Table Elan is specified by Elan number Lane Over WAN CircuitsPhysical Versus Logical BUS Multicasting No MAC address is specified Single PVP connection between clients and Lane services Lane Service Redundancy Using Lnni Lnni Redundant LECSs on same network Lane Load Sharing Lnni call set up load sharing How Lnni handles Elan join requests Setting up Lnni LECs SW2# set lnniinfo SW1 # stop lecsSW1 # stop les SW1 # set lnniinfo SW2 # add elan On SW1, create an Elan in this example, we create elan1Similarly, create the same Elan elan1 on SW2 SW1 # add elan SW1 # show lecsneighborinfo Configuring Lnni Distributed LES/BUS ServersSW2 # show elan On switch SW3, use the set lnniinfo to configure Lnni SW3 # start les LES SW1 # show lecsserverlistPage Pnni Routing Default Pnni AddressingSmartSwitch 2500 Family Default Node ID SmartSwitch 6500 Family Default Node ID SmartSwitch 6500 Default Node ATM Address SmartSwitch 2500 Family Default Node ATM Address MULTI-LEVEL Pnni Topology Connecting Multiple Peer Groups Change the tenth byte to SWA1 # set pnnipeergroupid Highest priority in election process Do the same for switch SWB3Specifies node number SWA3 # show pnnipglelection Do the same on switch SWB3SWB3 # set pnnipglelection Adding Higher-level Peer Groups Physical Connections Between Peer Groups Adding a third Pnni node for next level connectivity Managing Parallel Pnni Links SmartSwitch # show pnniinterface Aggregation Tokens Perform the same operation on switch SWB2 in group B7b2 Link on switch SWA2 comes from this port 4a3 Link on switch SWB2 comes from this port Aggregation token values and parallel links Pnni Link Timing SmartSwitch # set linkmonitortimeout This is an exterior route RoutingAdditional Routing Protocols Iisp Routes Iisp Routing Considerations Iisp Routing Example Two Iisp Routing Example One Iisp Link Timing Set linkmonitortimeout Advertise this address into the Pnni domain Take the default to make this an internal routeUNI Routes Yes UNI Link Timing Creating Route Metrics Administrative WeightsRoute Metrics Enter show pnnimetric to view the newly created metric pair Create the outgoing member of the metric pairCreate the incoming member of the metric pair 90.1.1.254 IP Routing for Management6b2 Index tag of our metric pair Route NET Table To see the route, enter the show route command on SW2 Point-to-Point PVCs SmartSwitch # add trafficdescriptorVirtual Ports and Static Connections PVC Connections Specify its VCI Point-to-Multipoint PVCsSpecify first port Specify its Vpci Set PCRCLP01 to zero Take the default valuesPerform for ports 7a3 and 7a4 Set client number Connecting to Local Switch Client Through a PVCConnect the end node to port 7a1 of the ATM SmartSwitch Use add ipatmclient to create an IP over ATM local client Turn off Ilmi Turn off signalingPVP Connections Specify the first port Use the show pvp command to display the PVP connection7b1 See note below 7a1.3, 5b2.3, A1.3, C5.3, and so on Connecting PVPsVirtual Ports Available VPIs = 2MaxVpiBits Creating Virtual Ports Set to 1 this translates to VPIs = 2 1-1 = Default MaxVpiBits =Default MaxVciBits = Instance of set portconfig Specify virtual port number and Base VPI .1 means our Base VPI is oneVPIs used = Base VPI + 2 0 1 = 1 + 0 = MaxVciBits decrements by Soft PVC and Soft PVP differences Things To Watch Out For When Creating Virtual PortsSoft PVC and PVP Connections Creating a soft PVC Making Soft PVC and PVP Connections SmartSwitch # show spvcaddress SmartSwitch # add spvcaddress6b3 Port on target switch 102 7a1 Port on source switch Creating a Soft PVP We use VPI= SmartSwitch # show spvp PortNumberALL Soft PVC and PVP Connections Traffic Descriptors Traffic ManagementTraffic Management Capabilities PeakCellRate CLP0+1, PeakCellRate CLP0, Tag CLP = No Traffic DescriptorPeakCellRate CLP0+1 PeakCellRate CLP0+1, PeakCellRate CLP0 Call Admission Control Policy Ubr SmartSwitch # set caceqbwallocschemeSmartSwitch # set cacserviceclassbw CPU UBR Queue Buffers MinIndex for 7a3Corresponds to CBR EFCI, EPD, and RM Cell Marking SmartSwitch # show switchtrafficcongestionSmartSwitch # set switchtrafficcongestion Traffic Management Capabilities IP address of Tftp server Firmware Upgrades and Bootline CommandsUpdate Firmware Commands Unsuccessful Update =df s Bootline CommandsEnter the go command to start the ATM SmartSwitch Accessing the Bootline Prompt Bootline Commands Explanations Swms Changes the slave TSM/CPU to the masterScsm =df b Upgrading Boot Load firmware =df p Upgrading Post Diagnostic firmwareChanging the Default Boot Load Image =chpi Bootline CommandsFirmware Upgrades and Bootline Commands Upgrading Switch Operating firmware Start the ATM SmartSwitch by entering the go command Bootline Commands How ATM Address Filters Work ATM Filtering and ClockingPort ATM Address Filters Creating ATM Address Filters Source and Destination Address Masks ATM Address Filter Example FFFFFFFFFFFFFFFFFFFF00000000000000000000 Port Clock ConfigurationFilter Considerations Regarding Lane and IP over ATM Network Clocking Troubleshooting IP Over ATM Troubleshooting Troubleshooting LAN Emulation Switches in Different Peer Groups Troubleshooting Pnni LinksSwitches in Same Peer Group Fewer than 100 connections on a port Min = 64, Max = Troubleshooting CongestionDiagnosing Congestion Global Congestion Port Congestion Event Categories Events and Alarms SmartSwitch # set eventdisplay Viewing Events and Alarms SmartSwitch # set alarmdisplay Deleting Events and Alarms IP address of my Tftp server Login name on the serverPassword Saving Core Dumps Saving Core Dumps MIB, SMI, MIB Files and Internet MIB Hierarchy Appendix a Agent Support MIB, SMI, MIB Files and Internet MIB Hierarchy CSI ZeitNet Proprietary MIBs Relation Between Object Identifier and the Represented Value CSI ZeitNet Proprietary MIB Groups Supported protocolsSupported SMI Formats Ctron Non-Conformance ATM SmartSwitch MIB SupportMIB Exceptions Not Supported Managing AN ATM SmartswitchConsole Commands that Affect the Agent Update firmware Backup Restore Reboot Default Community Strings Telephone Assistance FAX ServiceElectronic Services Appendix B Technical Support Repair Services Hardware WarrantySoftware Warranty Index Accessing the boot load prompt 12,4-4,4-6 Iisp routing considerations Fail-over timing Route type parameter Multi-level Pnni topology ZnSwitchDiscoveryTableZnPortTrafficCongTable PNN Enabling RM cell marking Changing EPD thresholds Vlan