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IBM 8260 manual ∙ IP Routing, ∙ Router ID, ∙ IP Security, ∙ ARP timeout, ∙ Reassembly timeout

Models: 8260

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An example of the IP System Parameters panel is shown in Figure 163 on page 281.


	Config *	IP System Parameters
	Config *	IP System Parameters	Module: BladeRunner
	System		Time:	15:43 9 Jan 95
	IP Routing:	Enabled
	RIP:	Enabled	Router ID:	9.67.46.44
	IP Security:	Disabled
	ARP Timeout:	1500	Reassembly Timeout:	10
	Proxy ARP:	Disabled	Source Quench:	Disabled
	Redirect:	Disabled	ICMP tx rate:	1000
	Hash Size:	512	Default TTL:	16

		Exit
		Return to the previous screen


Figure		163. LMS IP System Parameters Panel

This panel allows you to display and modify the system-wide IP parameters. The parameters that can be viewed and/or configured are:

∙IP Routing

This parameter allows you to enable IP routing throughout the module. Note that IP routing for each port participating in IP routing should also be enabled in order for those ports to perform IP routing.

∙RIP

This parameter controls whether RIP is enabled or disabled throughout the module.

∙Router ID

This parameter is used on WAN interfaces that have no assigned IP address. You may configure any one of the IP addresses assigned to the interfaces on the module as the Router ID.

∙IP Security

This parameter enables/disables the operation of the IP security feature on the Multiprotocol Interconnect module. The IP security is a filtering facility and is described in 11.8.9, ªIP Securityº on page304.

∙ARP timeout

This parameter specifies the length of time (in minutes) that an idle entry may remain in the ARP (Address Resolution Protocol) table. If set to 0, no aging is performed. If the ARP table is full, no new addresses are learned.

∙Reassembly timeout

Chapter 11. 8260 Multiprotocol Interconnect Module 281

Image 303

IBM 8260 manual ∙ IP Routing, ∙ Router ID, ∙ IP Security, ∙ ARP timeout, ∙ Reassembly timeout

Contents

Multiprotocol Intelligent Switching Hub Page Multiprotocol Intelligent Switching Hub Take Note First Edition MayAbstract Iv 8260 Multiprotocol Intelligent Switching Hub Contents Chapter Intelligent Cooling Subsystem Ethernet Modules Intelligent Power Management Subsystem185 Configuring the Dual Fiber Repeater Module 188Jitter Attenuator Daughter Card Jadc Speed Detection Active Modules 149 Passive ModulesMultiprotocol Interconnect Module Appendix A. Power Requirements for 8250/8260 ModulesForced Termination of Existing DMM Users Output from Show Community CommandSample of Hierarchical Structure Command Backplane Path Display for Ethernet Segments135 Configuring Port Redundancy for 8260 Ethernet ModulesFront View of 10-Port 10Base-FB Module 115 116228 133 Displaying the Status of Surrogate Features 234 134182 An Example of Rmon ImplementationLMS Ospf Default RIP Convert Table Panel LMS Ospf Default Static Convert Table PanelLMS Ospf System Parameter Panel Tables Xiv 8260 Multiprotocol Intelligent Switching Hub Special Notices AIX How This Document is Organized PrefaceHow to Order Itso Technical Bulletins Redbooks Related PublicationsInternational Technical Support Organization Publications Acknowledgments Xx 8260 Multiprotocol Intelligent Switching Hub Introduction An Overview of the IBM 8260 HubMultiprotocol Intelligent Switching Hub There are three models 8260-017 8260-010 8260-17A 8260 Hardware DescriptionIBM 8260 Model 1.1 8260 BackplaneIBM 8260 Model Payload AreaComponents of the 8250 Adapter Kit Intelligent Power Subsystem Fault-Tolerant Controller Module SlotsIntelligent Cooling Subsystem 3 8260 ModelDistributed Management Architecture 8260 Modules and Daughter Cards Ethernet Modules1.1 8260 Ethernet 24-Port 10Base-T Module Token-Ring Modules Management and Controller Modules 3.2 8260 Fault-Tolerant Controller module Ethernet Media Access Daughter Card E-MAC3.4 8260 Token-Ring Media Access Daughter Card T-MAC 12 8260 Multiprotocol Intelligent Switching Hub LAN Segments on the Backplane Backplane ArchitectureEnhanced TriChannel Bus ShuntBus Ethernet Segments on the BackplaneShow Backplanepaths Ethernet Description Method Remote Collision ∙ Data enable signalData in NRZ format Local collisionToken-Ring Segments on the Backplane Digital Collision DetectionAnalog Collision Detection Statistics CollectionShow Backplanepaths Tokenring SET Module slot.sublsot Network tokenringnShuntBus and Token-Ring SET Module slot.sublsot Network FDDIn Fddi Segments on the BackplaneNetwork Allocations on the 8260 Backplane An example of the output from this command is shown in onTriChannel Backplane Network Allocation ShuntBus Backplane Network Allocation Management LAN Mlan Management BusesManagement Buses Serial Control Interface SCI28 8260 Multiprotocol Intelligent Switching Hub 8260 Fault Tolerant Controller Module Overview Fault Tolerant Controller ModuleFront View of the Controller Module Controller Module Front PanelLED Test Button Hub Reset ButtonController Module Fault Tolerance 4 8260 Fault Tolerant Controller Module Considerations 34 8260 Multiprotocol Intelligent Switching Hub 8260 Distributed Management Architecture Distributed Management Architecture36 8260 Multiprotocol Intelligent Switching Hub − Snmp support − Configuration− Statistics and fault reporting − Out-of-band and in-band downloadingIP Addressing for DMM Distributed Management Module DMM Unpacking and Installing the DMMOn page 41 shows the meaning of the status LED DMM LED IndicatorsLED Console and Auxiliary PortsPin # Signal Name Modems for Connecting Terminals to DMMProcedure Command Configuring the DMM∙ User Configuring DMM UsersThree types of users can be used to access DMM ∙ AdministratorChanging Superuser Password 8260A show loginDisplay of Defined DMM Users 8260A clear login index all∙ Set Terminal Console Resetting Superuser Password to Factory DefaultConfiguring Terminal Settings for DMM Set terminal console baudSet terminal console stopbits 8260A set terminal console mode commandlineSet terminal console mode slip Set terminal console databitsSet ip ipaddress ff.ff.ff.f0 slip Set ip defaultgateway 9.67.46.2 slipSet terminal console hangup enable Set ip ipaddress 9.67.46.1 slipSet clock 1545 95/1/19 Thursday Configuring DMM Device8260A set terminal timeout Show terminal∙ Set Device − Device diagnostics8260A set device macaddrorder noncanonical 8260A set device diagnostics disable8260A set device trapreceiver enable 8260A set device resetmastership enable8260A set device dipconfiguration disable 8260A set device dipconfiguration enable8260A set ip ipaddress 9.67.46.235 tokenring10 Configuring DMM IP Parameters8260A save device 8260A show device8260A clear ip index 8260A set ip defaultgateway 9.67.46.238 tokenring108260A set ip activedefaultgateway 8260A show ipConfiguring DMM Snmp Parameters 8260A set community public 9.67.46.45 all8260A show community 8260A set alert consoledisplay enable 8260A set alert authentication enable8260A set alert change enable 8260A set alert hello enable8260A set alert portupdown enabledisablefilter 8260A set port 2.1 alterfilter enabledisableEC-DMM Ethernet Carrier Distributed Management Module EC-DMM Front Panel Installing the EC-DMMJumpering for the EC-DMM DB-9 Ports EC-DMM LED DescriptionMAC Daughter Cards Perport EC-DMM Ethernet MAC Daughter Card E-MAC Configuration E-MAC8260A set module 2.2 interface enabledisablestandby 8260A set module 2.2 network ethernet18260A show module 1.2 verbose Token-Ring MAC Daughter Card T-MAC Configuring T-MAC8260A set module 6.2 earlytokenrelease enable disable 8260A set module 6.2 monitorcontention enable disable8260A set module 6.2 interface enabledisablestandby 8260A show module 6.2 verbose 8260A set module 6.2 network tokenring10TOKENRING10 Managing 8260 Using DMM and 8250 xMMManaging 8260 with 8250 xMM Managing 8260 with DMMSample of Hierarchical Structure Command Overview of Management and Control Commands72 8260 Multiprotocol Intelligent Switching Hub Intelligent Power Management Subsystem Intelligent Power Management SubsystemSET Power Slot slot Class 1 to Power ClassAn example of the output for this command is shown in on Show Power Slot slotallShow HUB Configuring 8260 Power SuppliesShow Power Budget Output from Show Power Budget Command Non-Fault Tolerant ModeSET Power Mode nonfaulttolerant Fault Tolerant ModeLoad Sharing Power Supplies SET Power Mode faulttolerantInstalling 8260 Module in an 8260 Managed by DMM Managing PowerHUB Installing 8250 Module in a Hub Managed by DMM Installing 8260 Module in an 8260 Not Managed by DMMInstalling 8250 Modules in an 8260 Managed by DMM SET Power Slot slot Mode enabledisable Installing 8250 Module in a Hub Not Managed by DMMControlling Power to the 8260 Modules Power Management ConsiderationsPower Management Scenarios ∙ a Power-Supply Failure Scenario∙ Show Hub ∙ a Power Failure Scenario ∙ Show Power Mode∙ Power Mode is Automatically Recovered Installing the 8260 Power Supply 90 8260 Multiprotocol Intelligent Switching Hub Fan Units Intelligent Cooling Subsystem92 8260 Multiprotocol Intelligent Switching Hub Output from Show Power Mode Command SET Overheatautopowerdown enabledisableCooling Zones and Power Classes Flow Chart for an Overheat Condition 96 8260 Multiprotocol Intelligent Switching Hub Ethernet Modules Ethernet LAN OverviewCSMA/CD Ethernet Addressing Mode Frame SizeData Integrity 8260 Ethernet 24-Port 10Base-T Module Module Equivalent Distance meters LED Name Color State Description Port 10Base-T Module Side View Expanded view of the DIP switches is shown in onNetwork Selection Switch Configuring the 10Base-T Module 10Base-T Module UsageSET Port slot.port Network network SET Port slot.port Autopolarity enabledisable SET Port slot.port Mode enabledisableSET Port slot.port Mode Redundant slot.port SET Port slot.port Mode NON-REDUNDANT8260 Ethernet 20/40-Port 10Base-T Module Equivalent Distances for 20/40 10Base-T Modules Front View of 20/40-Port 10Base-T Modules Describes the meaning of these LEDs40-Port 10Base-T Module Side View 40-Port 10Base-T DIP Switches SET Port slot.port Network network Configuring the 20/40-Port 10Base-T ModulesSET Port slot.port Squelch normallow SET Port slot.port Linkintegrity enabledisable8260 Ethernet 10-Port 10Base-FB Module Equivalent Distances for Ethernet 10Base-FB Module LED Name Color State Description Port 10Base-FB Module Side View Port 10Base-FB DIP Switches 10Base-FB Module Usage Configuring the 10Base-FB ModuleConfiguring Port Redundancy for 8260 Ethernet Modules 10 8260 Ethernet Modules Summary SET Port slot.port Highpower enabledisable11 8260 Ethernet Security Daughter Card Intrusion Protection Operation of Security CardEavesdropping Protection 8260A show security network ethernet3 Configuring the Security Module8260A set security port 2.15 auto-learning enable 8260A set module 7.2 network ethernet3Output from this command for our network is shown in Figure 8260A set security network ethernet3 auto-learning enable8260A set security network ethernet3 mode enable 8260A set security network ethernet3 auto-learning disable8260A set security port 2.15 jamming enable 8260A set security port 2.15 intruderchecking enable8260A save security addresstable An example of the resulting display is shown in Figure 8260A set security network ethernet3 intruderjamming enable8260A set security port 2.15 failsafe enable Token-Ring Support Token-Ring LAN OverviewRing Operation Active Monitor Ring AdministrationToken-Claiming Process Ring ErrorsDifferential Manchester Coding Differential Manchester CodingPhase Jitter Clock Recovery8260 Backplane Signalling for TR Segments Self-Shorting Relays on the ShuntBus Backplane Signalling for 4 Mbps Operation Backplane Signalling for 16 Mbps Operation Dual Phase Lock Loop Components of Dual Phase Lock Loop Dpll Implementation on Active Ports Components of Dpll Implemented on Jadc Jitter Attenuator Daughter Card JadcActive Port Technology Passive Port TechnologyPer-Port Switching on the Active Modules Token-Ring Per-Port Switching Static Switch on the Per-Port Switching Modules Show Port slot.port Verbose Static Switch Display for Active Per-Port Switching PortsSwitching Ports with Enabled Static Switch SET Port slot.port Staticswitch enabledisablePort Switching with Source Routing Bridges Signal Flow on the 8260 Token-Ring ModulesSpeed Detection Speed Detection on Active ModulesSpeed Detection on Passive Modules SET Module slot.subslot Speedthreshold 0 to SET Port slot.port Speeddetect enable/disableBeacon Recovery Beacon Recovery IntroductionSET Trunk slot RINGIN.trunk port Networkmap externalinternal SET Port slot.port Stationtype macnotpresentToken-Ring Support SET Device Beacontimeout number of second SET Device Beaconrecovery enabledisableRecovery Asic in Module Switching Module Recovery AsicSH Module slot.subslot Verbose Recovery Asic in Per-Port Switching ModuleDisplay Output for 18-Port Active Per-Port Switching Module Ring Monitor on the Per-Port Switching ModuleBeacon Recovery on the Module Switching Modules Beacon Recovery on the Module Switching Modules Beacon Recovery on the Per-port Switching ModulesAddress-to-Port Mapping for Module Switching Modules Support for Fan-Out Devices Address-to-Port Map Display for a Module Switching Module162 8260 Multiprotocol Intelligent Switching Hub Support for MAC-less Stations SET Network Tokenring tokenringn Mismatchresolution enableAddress-to-Port Map Display for MAC-less Stations Address-to-Port Mapping for Per-Port Switching ModulesToken-Ring Support Address-to-Port Map Display for a Per-Port Switching Module Dual-Ring Topology Wrapback in Dual-Ring Topology Trunk Wrapping on the Active Per-Port Switching ModulesTrunk Wrapping in Active Per-Port Switching Module Trunk Wrapping on the Active Module-Switching ModulesTrunk Unwrapping on the Per-Port Switching Modules Trunk Unwrapping on the Module-Switching ModulesMerge Manager Token-Ring Support 172 8260 Multiprotocol Intelligent Switching Hub SET Network network Ringspeed 4mbps16Mbps Configuring Token-Ring Network ParametersSET Network network Bcnrecovery enabledisable Token-Ring ModulesSET Network network Mismatchresolution enable 8260 18-Port Active Per-Port Switching ModuleFront View of 18-Port Active Per-Port Switching Module Port Active Per-Port Switching Module Side View Configuring the 18-Port Active Per-Port Switching Module SET Port slot.port Staticswitch enabledisabled Active Per-Port Switching ModuleSET Module slot.port Bcnthreshold SET Port slot.port Network network SET Module slot.subslot Network network 8260 18-Port Active Module Switching ModuleConfiguring the 18-Port Active Module Switching Module 8260 20-Port Passive Module Switching ModuleToken-Ring Modules Front View of 20-Port Passive Module Port Passive Module Module Side View Configuring the 20-Port Passive ModuleSET Module slot.port Speedthreshold SET Port slot.port Speeddetect enabledisable8260 Dual Fiber Repeater Module Front View of Dual Fiber Repeater Module RI/RO Configuring the Dual Fiber Repeater Module SET Port slot.port Staticswitch enableEnable/disable trunks SET Port slot.port mode enabledisable 190 8260 Multiprotocol Intelligent Switching Hub Rmon Overview Rmon SupportNetwork Probes An Example of Rmon Implementation Rmon ManagerPreemptive Monitoring Problem Detection and ReportingRmon Goals Offline OperationManaging Ethernet LANs with Rmon Multiple ManagersStandards Managing the Ethernet LAN EnvironmentDrop Events Statistics GroupBroadcast Packets CRC Align ErrorOctets PacketsPacket Size Statistics History GroupFragments CollisionsAlarm Group Host Group Host Top N GroupMatrix Group Packet Capture Group Managing the Token-Ring LAN EnvironmentManaging Token-Ring LANs with Rmon Filter Group202 8260 Multiprotocol Intelligent Switching Hub Ring Purge Event Drop EventMAC Octet MAC PacketBeacon Time Line ErrorInternal Error Burst ErrorCongestion Error ACErrorsAbort Error Lost Frame ErrorRing Poll Event Frequency ErrorToken Error Soft Error ReportReceived on the network in non-MAC packets Normal in all networks. For example, when anTerminal is powered up, it generates some Total number of octets of data in good frames208 8260 Multiprotocol Intelligent Switching Hub RingStationControlTable RingStationTable Ring Station GroupRing Station Order Group Source Routing Group Ring Station Configuration GroupMonitoring Functions Supported 8260A show interface Monitoring Functions Supported by E-MACMonitoring Functions Supported by T-MAC Host History Alarm Event Matrix Statistics TopN-hostsShow Counter Command for Ethernet Networks Show Counter Ethernet ethernetn isolatedShow Counter Interface ethernetn isolated Show Counter Interface for Ethernet Segment Show Counter Repeater for Ethernet Segment Show Counter Rmon Hosts network all macaddressSET Rmon Host Interface index Collecting and Displaying Rmon Groups Using E-MACSET Rmon History Interface interface index Set module slot.subslot interface enableSet module slot.subslot rmonprobe enable SET Rmon Host Interface interface indexShow Rmon rmongroup Control ALL Set rmon host ethernet interfaceShow Rmon rmon group Data controlindex dataindex Show Rmon statistics Ethernet Control ALLShow Counter Tokenring tokenringn Show Counter Command for Token-Ring NetworksShow Counter Interface token-ringn isolated SET Module slot.subalot DOT5GROUP enable8260A show counter interface tokenring7 Show Counter Rmon Ringstation network all macaddress ring SET Module slot.subslot Rmonhoststats enable8260A show counter rmon ringstation tokenring7 ring Show Counter Rmon Ringstation Using ″all″ Option SET Module slot.subslot Rmonringstationstats enableSET Module slot.subslot Rmonmaclayerstats enable Show Counter Rmon Trmaclayer networkShow Counter Rmon Trpromiscuous network Show Counter Rmon Trsourcerouring network SET Module slot.subslot Promiscuousstats enableSET Module slot.subslot Srroutingstats enable Collecting and Displaying Rmon Groups Using T-MACSet module 8.2 rmonhoststats enable SET Module slot.subslot Rmongroup enableSET Module slot.subslot Rmonpromiscuousstats enable SET Module slot.subslot Rmonsrcroutingstats enableShow Counter Rmon rmon group network Surrogate Functions Supported by T-MACEnabling Surrogate Features Using T-MAC Surrogate FunctionsShow Trsurrogate slot.subslot Remstatus Enabling Individual Options within the Surrogate Groups∙ Status of CRS Stations options Show Trsurrogate slot.subslot CrsstatusShow Trsurrogate slot.subslot Crsstation ALL ∙ Status of CRS optionsShow Trsurrogate slot.subslot Remisolating Displaying the Information Collected by Surrogate FeaturesShow Trsurrogate slot.subslot Remerrormacframe Show Trsurrogate slot.subslot RemlastsofterrorUsing DOT5Group Functions 10.8 DOT5Group Support by T-MACSummary of T-MAC Monitoring Functions 2 of 2. Functions Performed by T-MAC 239 Multiprotocol Interconnect Module240 8260 Multiprotocol Intelligent Switching Hub Front View of the Multiprotocol Interconnect Modules 12V Power Requirements for Multiprotocol Interconnect ModuleYou will be prompted to enter the following SET Power Module slot.subslot PowerrequirementPut DMM in Maintenance mode using the following DMM command While in Maintenance mode, enter the following commandDo you want to enter this into module x.y′ s Eeprom Y/N Bridging FunctionsRIP Implementation ∙ DECnet PhaseRouting Functions IP Routing SupportDECnet Phase IV Routing Support Configuring Multiprotocol Interconnect ModuleIPX Routing Support SET Port slot.port Network ethernetnisolated Local Management System LMS∙ Help ∙ Configuration Menu∙ Enable/Disable Write Access ∙ Status MenuLMS Short Cut Commands Snmp Support ∙ Close ConnectionDot1dBridge Group Configuring the Interconnect Module Using LMS Configuring System Wide Parameters IP Address Community Name ∙ Reset Unit∙ Change Password ∙ ExitTftp Server IP Address Tftp Filename Configuring Port Parameters ∙ Logical Port Parameters ∙ Physical Port ListPhysical Port Protocol Parameters Physical Port Interface ParametersLMS Physical Port List for Ethernet Connections Configuring Physical Port ParametersLMS Physical Ports List for Token-Ring I/O Cards Configuring Physical Port Protocol Parameters∙ Act Mon Par ∙ CommandsThis panel allows you to specify the following options ∙ Ring SpeedConfiguring Logical Port Parameters ∙ Attach Port and Detach Port Port Configuration SummaryConfiguring for Bridging Support ∙ EncapsulationBridging Facility must be enabled Configuring for Transparent Bridging∙ Security Mode − Time-To-Delete in seconds− Time-To-Forget in seconds ∙ Always Accept Multicast ∙ Custom Filtering∙ Source Address Learning ∙ Source Address Filtering∙ STP Domain Address ∙ Bridge Forward Delay Time∙ STP Facility ∙ Bridge Hello Time∙ STP Version ∙ Bridge Max Age Time∙ Port Priority Configuring for Source-Route Transparent BridgingPath Cost Mode Manual Port Path Cost∙ Port STE SpanMode ∙ Hop Count∙ Local Segment ∙ Largest Frame∙ Snap Conversion Configuring for Translational BridgingFiltering for Bridging Functions Transparent Bridging Filtering Database∙ IPX Conversion − Unlearned + Entries in the filtering database consist∙ MAC Address ∙ Scope ∙ Disposition− Permanent$ − Static− Management% ∙ Time-to-Forget Normal ModeSecurity Mode Operating Modes for Bridging PortsCustom Filtering Destination Address FilteringSource Address Filtering Broadcast/Multicast Filtering∙ Offset ID NumberTest Name ∙ Filter Start Point∙ Value ∙ Logical Operator∙ Action on Failure ∙ ID Number∙ Test Name ∙ Action on SuccessConfiguring for Routing Functions LMS IP Panel Configuring for IP RoutingLMS IP Port Address Table Panel ∙ Router ID ∙ ARP timeout∙ Reassembly timeout ∙ IP Routing∙ Redirect Default TTL∙ Proxy ARP ∙ Source Quench∙ Broadcast Form IP MtuRIP Path Cost LAN Encapsulation∙ Security Access List n ∙ Forward Broadcast∙ Destination ∙ Port ∙ Next HopMask Type∙ Network Address ∙ Physical Address∙ Type ∙ Forward Address ∙ BoothelperLMS Ospf Menu Panel Configuring for Ospf∙ Import RIP Routes ∙ Area Border Router∙ TOS Support ∙ AS Boundary Router∙ Default Action on No Match for RIP Routes ∙ Default Action on No Match for Static Routes∙ Import Static Routes ∙ Area ID − PointToPoint Point-to-Point links ∙ AdminStat∙ Trans Delay ∙ IP Address∙ AuthKey TransDelayBackup Designated Router ∙ RtdDeadInt∙ SPF Runs Area IDAuth Type ∙ Import AS Extern LSAMetric This is the 32-bit integer identifying the Stub AreaFrom the Ospf Menu. The resulting panel is shown in on ∙ Range Net∙ Range Mask IP Address PortThis parameter specifies the port number of this interface ∙ RtrDeadInt Following parameters can be specified for each entryNeighbor ∙ RetransiInt∙ Events This parameter specifies the IP address of this neighborPort Router ID ∙ OptionsAction IP MaskThis parameter specifies the destination IP address mask Hop CountThis parameter specifies hop count measured in RIP Following parameters can be viewed/modified for each entry This parameter specifies the destination IP address This parameter specifies the Type Of Service for this routeThis parameter specifies hop count for this static route This parameter specifies the destination IP address maskFollowing parameters can be viewed/modified for each entry IP Security∙ ID Protocol∙ Operator ∙ Option ∙ Source Address∙ Source Mask ∙ Destination Address∙ Receive Check ∙ List No∙ Transmit Check ∙ Action on No Match∙ Icmp Generation Configuring for IPX Routing∙ IPX Routing ∙ IPX Security∙ Internet Bcast Handling ∙ IPX Port Routing ∙ Host Number∙ Network Number ∙ Station Statistics ∙ Interface DelayMonitoring Multiprotocol Interconnect Module ∙ Security List n∙ Logical Port Statistics Screen ∙ Icmp Timers∙ Physical Port Protocol Statistics ∙ Physical Interface Statistics∙ IPX System Statistics ∙ Ospf Link State Database Table∙ DECnet IV System Statistics ∙ DECnet IV Port Statistics314 8260 Multiprotocol Intelligent Switching Hub Power Requirements for 8250 Ethernet Modules Appendix A. Power Requirements for 8250/8260 ModulesPower Requirements for 8250 Fddi Modules Power Requirements for 8250 Token-Ring ModulesSR/SRT Power Requirements for 8250 Internetworking Modules318 8260 Multiprotocol Intelligent Switching Hub UTP Index NumericsMAC DMM Ethernet Eeprom 324 8260 Multiprotocol Intelligent Switching Hub Rmon Token-ring bucket 208 Burst Error Index Page Itso Technical Bulletin Evaluation Please answer the following questionsComments/Suggestions Itso Technical Bulletin Evaluation RED000 GG24-4370-00USA Page GG24-4370-00