BenutzerhandbuchInhaltsverzeichnisCatalyst 6500 Series Switch Cisco IOS Software Configuration Guide-Release 12.1 E1Contents3Preface21Audience21Organization21Related Documentation23Conventions24Product Overview27Configuring Embedded CiscoView Support28Understanding Embedded CiscoView28Installing and Configuring Embedded CiscoView28Displaying Embedded CiscoView Information29Command-Line Interfaces31Accessing the CLI31Accessing the CLI through the EIA/TIA-232 Console Interface31Accessing the CLI through Telnet32Performing Command Line Processing33Performing History Substitution33Cisco IOS Command Modes34Displaying a List of Cisco IOS Commands and Syntax35ROM-Monitor Command-Line Interface36Configuring the Switch for the First Time37Default Configuration37Configuring the Switch38Using the Setup Facility or the setup Command38Setup Overview38Configuring the Global Parameters39Configuring Interfaces44Using Configuration Mode46Checking the Running Configuration Before Saving46Saving the Running Configuration Settings47Reviewing the Configuration47Configuring a Default Gateway48Configuring a Static Route48Configuring a BOOTP Server50Protecting Access to Privileged EXEC Commands51Setting or Changing a Static Enable Password51Using the enable password and enable secret Commands51Setting or Changing a Line Password52Setting TACACS+ Password Protection for Privileged EXEC Mode52Encrypting Passwords53Configuring Multiple Privilege Levels53Setting the Privilege Level for a Command54Changing the Default Privilege Level for Lines54Logging In to a Privilege Level54Exiting a Privilege Level55Displaying the Password, Access Level, and Privilege Level Configuration55Recovering a Lost Enable Password55Modifying the Supervisor Engine Startup Configuration56Understanding the Supervisor Engine Boot Configuration56Understanding the Supervisor Engine Boot Process56Understanding the ROM Monitor56Configuring the Software Configuration Register57Modifying the Boot Field and Using the boot Command58Modifying the Boot Field59Verifying the Configuration Register Setting60Specifying the Startup System Image60Understanding Flash Memory60Flash Memory Features61Security Features61Flash Memory Configuration Process61BOOTLDR Environment Variable61CONFIG_FILE Environment Variable62Controlling Environment Variables62Setting the BOOTLDR Environment Variable63Configuring EHSA Supervisor Engine Redundancy65Supervisor Engine Redundant Operation65Supervisor Engine Redundancy Requirements66Synchronizing the Supervisor Engine Configurations67Displaying the Supervisor Engine Redundancy68Copying Files to the Redundant Supervisor Engine68Configuring RPR and RPR+ Supervisor Engine Redundancy71Understanding Supervisor Engine Redundancy71Supervisor Engine Redundancy Overview71RPR Operation72RPR+ Operation72Supervisor Engine Synchronization73Supervisor Engine Redundancy Guidelines and Restrictions74RPR+ Guidelines and Restrictions74Restrictions74Guidelines75Hardware Configuration Guidelines and Restrictions75Restrictions75Guidelines75Configuration Mode Restrictions76Configuring Supervisor Engine Redundancy76Configuring RPR and RPR+76Synchronizing the Supervisor Engine Configurations77Displaying the Redundancy States78Performing a Fast Software Upgrade79Copying Files to an MSFC80Configuring Interfaces81Understanding Interface Configuration81Using the Interface Command82Configuring a Range of Interfaces84Defining and Using Interface-Range Macros86Configuring Optional Interface Features87Configuring Ethernet Interface Speed and Duplex Mode87Speed and Duplex Mode Configuration Guidelines87Setting the Ethernet Interface Speed88Setting the Interface Duplex Mode88Configuring Link Negotiation on Gigabit Ethernet Ports88Displaying the Speed and Duplex Mode Configuration89Configuring Jumbo Frame Support90Understanding Jumbo Frame Support90Jumbo Frame Support Overview91Bridged and Routed Traffic Size Check at Ingress 10, 10/100, and 100 Mbps Ethernet and 10 Gigabit Ethernet Ports91Bridged and Routed Traffic Size Check at Ingress Gigabit Ethernet Ports91Routed Traffic Size Check on the PFC91Bridged and Routed Traffic Size Check at Egress 10, 10/100, and 100 Mbps Ethernet Ports91Bridged and Routed Traffic Size Check at Egress Gigabit Ethernet and 10 Gigabit Ethernet Ports92Ethernet Ports92Ethernet Port Overview92Layer 3 Ethernet Ports92Layer 2 Ethernet Ports92VLAN Interfaces93Configuring MTU Sizes93Configuring the MTU Size93Configuring the Global LAN Port MTU Size94Configuring IEEE 802.3Z Flow Control94Configuring the Port Debounce Timer95Adding a Description for an Interface96Understanding Online Insertion and Removal97Monitoring and Maintaining Interfaces97Monitoring Interface Status97Clearing Counters on an Interface98Resetting an Interface99Shutting Down and Restarting an Interface99Configuring LAN Ports for Layer 2 Switching101Understanding How Layer 2 Switching Works101Understanding Layer 2 Ethernet Switching101Layer 2 Ethernet Switching Overview102Switching Frames Between Segments102Building the Address Table102Understanding VLAN Trunks102Trunking Overview103Encapsulation Types104Layer 2 LAN Port Modes104Default Layer 2 LAN Interface Configuration105Layer 2 LAN Interface Configuration Guidelines and Restrictions106Restrictions106Guidelines106Configuring LAN Interfaces for Layer 2 Switching107Configuring a LAN Port for Layer 2 Switching107Configuring a Layer 2 Switching Port as a Trunk108Preparing a Layer 2 Switching Port for Configuration as a Trunk108Configuring the Layer 2 Switching Port as an ISL or 802.1Q Trunk108Configuring the Layer 2 Trunk to Use DTP109Configuring the Layer 2 Trunk Not to Use DTP109Configuring the Default VLAN110Configuring the 802.1Q Native VLAN111Configuring the List of VLANs Allowed on a Trunk111Configuring the List of Prune-Eligible VLANs112Completing Trunk Configuration113Verifying Layer 2 Trunk Configuration113Configuration and Verification Examples113Configuring a LAN Interface as a Layer 2 Access Port114Configuring a Custom IEEE 802.1Q EtherType Field Value116Configuring VTP119Understanding How VTP Works119Understanding the VTP Domain120Understanding VTP Modes120Understanding VTP Advertisements120Understanding VTP Version 2121Understanding VTP Pruning121VTP Default Configuration123VTP Configuration Guidelines and Restrictions123Configuring VTP124Configuring VTP Global Parameters124Configuring a VTP Password124Enabling VTP Pruning125Enabling VTP Version 2125Configuring the VTP Mode126Displaying VTP Statistics128Configuring VLANs129Understanding How VLANs Work129VLAN Overview129VLAN Ranges130Configurable VLAN Parameters131Understanding Token Ring VLANs131Token Ring TrBRF VLANs131Token Ring TrCRF VLANs132VLAN Default Configuration134VLAN Configuration Guidelines and Restrictions136Restrictions136Guidelines136Configuring VLANs137VLAN Configuration Options137VLAN Configuration in Global Configuration Mode137VLAN Configuration in VLAN Database Mode138Creating or Modifying an Ethernet VLAN138Assigning a Layer 2 LAN Interface to a VLAN140Configuring the Internal VLAN Allocation Policy140Mapping 802.1Q VLANs to ISL VLANs140Configuring Private VLANs143Understanding How Private VLANs Work143Private VLAN Configuration Restrictions and Guidelines144Configuring Private VLANs147Configuring a VLAN as a Private VLAN147Associating Secondary VLANs with a Primary VLAN148Mapping Secondary VLANs to the Layer 3 VLAN Interface of a Primary VLAN149Configuring a Layer 2 Interface as a Private VLAN Host Port150Configuring a Layer 2 Interface as a Private VLAN Promiscuous Port151Configuring Cisco IP Phone Support153Understanding Cisco IP Phone Support153Cisco IP Phone Connections153Cisco IP Phone Voice Traffic154Cisco IP Phone Data Traffic155Cisco IP Phone Power Configurations155Locally Powered Cisco IP Phones155Inline-Powered Cisco IP Phones155Default Cisco IP Phone Support Configuration156Cisco IP Phone Support Configuration Guidelines and Restrictions156Configuring Cisco IP Phone Support157Configuring Voice Traffic Support157Configuring Data Traffic Support159Configuring Inline Power Support160Configuring Layer 3 Interfaces161Configuring IP Routing and Addresses162Configuring IPX Routing and Network Numbers166Configuring AppleTalk Routing, Cable Ranges, and Zones167Configuring Other Protocols on Layer 3 Interfaces168Configuring EtherChannels169Understanding How EtherChannels Work169EtherChannel Feature Overview170Understanding How EtherChannels Are Configured170EtherChannel Configuration Overview170Understanding Manual EtherChannel Configuration171Understanding PAgP EtherChannel Configuration171Understanding IEEE 802.3ad LACP EtherChannel Configuration171Understanding Port Channel Interfaces173Understanding Load Balancing173EtherChannel Feature Configuration Guidelines and Restrictions173Configuring EtherChannels174Configuring Port Channel Logical Interfaces for Layer 3 EtherChannels175Configuring Channel Groups176Configuring the LACP System Priority and System ID178Configuring EtherChannel Load Balancing179Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling181Understanding How 802.1Q Tunneling Works181802.1Q Tunneling Configuration Guidelines and Restrictions184Restrictions184Guidelines184Configuring 802.1Q Tunneling185Preconfiguration Tasks186Configuring 802.1Q Tunnel Ports186Configuring the Switch to Tag Native VLAN Traffic187Understanding How Layer 2 Protocol Tunneling Works187Configuring Support for Layer 2 Protocol Tunneling188Configuring STP and IEEE 802.1s MST191Understanding How STP Works192STP Overview192Understanding the Bridge ID193Bridge Priority Value193Extended System ID193STP MAC Address Allocation193Understanding Bridge Protocol Data Units194Election of the Root Bridge194STP Protocol Timers195Creating the Spanning Tree Topology195STP Port States196STP Port State Overview196Blocking State198Listening State199Learning State200Forwarding State201Disabled State202STP and IEEE 802.1Q Trunks202Understanding How IEEE 802.1w RSTP Works203IEEE 802.1w RSTP Overview203RSTP Port Roles203RSTP Port States204Rapid-PVST204Understanding How IEEE 802.1s MST Works204IEEE 802.1s MST Overview205MST-to-PVST Interoperability206Common Spanning Tree208MST Instances208MST Configuration Parameters208MST Regions209MST Region Overview209Boundary Ports209IST Master209Edge Ports210Link Type210Message Age and Hop Count210Default STP Configuration211STP and MST Configuration Guidelines211Configuring STP212Enabling STP213Enabling the Extended System ID214Configuring the Root Bridge215Configuring a Secondary Root Bridge216Configuring STP Port Priority217Configuring STP Port Cost219Configuring the Bridge Priority of a VLAN220Configuring the Hello Time222Configuring the Forward-Delay Time for a VLAN222Configuring the Maximum Aging Time for a VLAN223Enabling Rapid-PVST223Specifying the Link Type224Restarting Protocol Migration224Configuring IEEE 802.1s MST224Enabling MST224Displaying MST Configurations226Configuring MST Instance Parameters229Configuring MST Instance Port Parameters230Restarting Protocol Migration230Configuring Optional STP Features233Understanding How PortFast Works234Understanding How BPDU Guard Works234Understanding How PortFast BPDU Filtering Works234Understanding How UplinkFast Works235Understanding How BackboneFast Works236Understanding How EtherChannel Guard Works238Understanding How Root Guard Works238Understanding How Loop Guard Works238Enabling PortFast240Enabling PortFast BPDU Filtering242Enabling BPDU Guard243Enabling UplinkFast244Enabling BackboneFast245Enabling EtherChannel Guard246Enabling Root Guard246Enabling Loop Guard247Configuring IP Unicast Layer 3 Switching on Supervisor Engine 2249Understanding How Layer 3 Switching Works249Understanding Hardware Layer 3 Switching on PFC2 and DFCs250Understanding Layer 3-Switched Packet Rewrite250Hardware Layer 3 Switching Examples251Default Hardware Layer 3 Switching Configuration252Layer 3 Switching Configuration Guidelines and Restrictions252Configuring Hardware Layer 3 Switching253Displaying Hardware Layer 3 Switching Statistics254Configuring IP Multicast Layer 3 Switching255Understanding How IP Multicast Layer 3 Switching Works255IP Multicast Layer 3 Switching Overview256Multicast Layer 3 Switching Cache256IP Multicast Layer 3 Switching Flow Mask257Layer 3-Switched Multicast Packet Rewrite257Partially and Completely Switched Flows258Partially Switched Flows with PFC1 or PFC2258Partially Switched Flows with PFC2259Completely Switched Flows259Non-RPF Traffic Processing259Non-RPF Traffic Overview259Filtering of RPF Failures for Stub Networks260Rate Limiting of RPF Failure Traffic260NetFlow-Based Rate Limiting of RPF Failures261CEF-Based Rate Limiting of RPF Failures261Default IP Multicast Layer 3 Switching Configuration261IP Multicast Layer 3 Switching Configuration Guidelines and Restrictions262PFC2 with MSCF2262PFC1 with MSFC or MSCF2262PFC1 and PFC2 General Restrictions263Unsupported Features263Configuring IP Multicast Layer 3 Switching263Source Specific Multicast with IGMPv3, IGMP v3lite, and URD264Enabling IP Multicast Routing Globally264Enabling IP PIM on Layer 3 Interfaces264Enabling IP Multicast Layer 3 Switching on Layer 3 Interfaces265Configuring the Layer 3 Switching Global Threshold265Enabling Installation of Directly Connected Subnets266Enabling NetFlow-Based Rate Limiting of RPF Failures266Enabling CEF-Based Rate Limiting of RPF Failures267Enabling Shortcut-Consistency Checking267Configuring ACL-Based Filtering of RPF Failures268Displaying RPF Failure Rate-Limiting Information268Displaying IP Multicast Layer 3 Hardware Switching Summary268Displaying the IP Multicast Routing Table270Displaying IP Multicast Layer 3 Switching Statistics271Using Debug Commands272Clearing IP Multicast Layer 3 Switching Statistics273Configuring IP Unicast Layer 3 Switching on Supervisor Engine 1275Understanding How IP MLS Works276IP MLS Overview276IP MLS Flows276Layer 3 MLS Cache277Flow Masks277Interaction Between Software Features and Flow Mask Behavior277Layer 3-Switched Packet Rewrite278IP MLS Operation279Default IP MLS Configuration280IP MLS Configuration Guidelines and Restrictions280Configuring IP MLS280Enabling IP MLS Globally280Disabling and Enabling IP MLS on a Layer 3 Interface281Displaying the Interface IP MLS Configuration281Configuring the MLS Aging-Time282Setting the Minimum IP MLS Flow Mask282Displaying IP MLS Cache Entries283Displaying IP MLS Information283Displaying IP MLS Cache Entries for a Specific Destination Address284Displaying Cache Entries for a Specific Source IP Address284Displaying Entries for a Specific IP Flow285Clearing IP MLS Cache Entries285Displaying IP MLS Contention Table and Statistics286Displaying the IP MLS Contention Table286Displaying IP MLS VLAN Statistics287Troubleshooting IP MLS288Configuring IPX Unicast Layer 3 Switching on Supervisor Engine 1289Understanding How IPX MLS Works290IPX MLS Overview290IPX MLS Flows290Layer 3 MLS Cache290Flow Masks291Flow Mask Modes291Flow Mask Mode and show mls entry Command Output291Layer 3-Switched Packet Rewrite291IPX MLS Operation292Default IPX MLS Configuration293Configuration Guidelines and Restrictions293Configuring IPX MLS294Enabling IPX MLS Globally294Enabling IPX MLS on a Layer 3 Interface294Configuring the MLS Aging Time295Configuring the Minimum IPX MLS Flow Mask296Displaying IPX MLS Information296Displaying IPX MLS Cache Entries297Displaying All IPX MLS Cache Entries297Displaying IPX MLS Cache Entries for a Specific Destination Address298Displaying IPX MLS Cache Entries for a Specific Source Address298Displaying IPX MLS Cache Entries for a Specific Interface299Displaying IPX MLS Cache Entries for a Specific MAC Destination or Source Address299Displaying the IPX MLS Contention Table299Displaying IPX MLS VLAN Statistics300Clearing IPX MLS Cache Entries301Troubleshooting IPX MLS302Configuring IGMP Snooping303Understanding How IGMP Snooping Works303IGMP Snooping Overview304Joining a Multicast Group304Leaving a Multicast Group306Normal Leave Processing306Fast-Leave Processing307Understanding IGMP Snooping Querier307Understanding IGMP Version 3 Support308Default IGMP Snooping Configuration308IGMP Snooping and IGMP Snooping Querier Configuration Guidelines and Restrictions308Guidelines308Restrictions309Enabling the IGMP Snooping Querier309Configuring IGMP Snooping310Enabling IGMP Snooping311Configuring IGMP Snooping Learning312Configuring a Multicast Router Port Statically312Configuring the IGMP Query Interval313Enabling IGMP Fast-Leave Processing313Configuring a Host Statically314Displaying IGMP Snooping Information314Displaying Multicast Router Interfaces314Displaying MAC Address Multicast Entries315Displaying IGMP Snooping Information for a VLAN Interface315Configuring RGMP317Understanding How RGMP Works317Default RGMP Configuration318RGMP Configuration Guidelines and Restrictions318Enabling RGMP on Layer 3 Interfaces319Configuring Network Security321ACL Configuration Guidelines321Hardware and Software ACL Support322Guidelines and Restrictions for Using Layer 4 Operators in ACLs323Determining Layer 4 Operation Usage323Determining Logical Operation Unit Usage324Configuring the Cisco IOS Firewall Feature Set325Cisco IOS Firewall Feature Set Support Overview325Firewall Configuration Guidelines and Restrictions326Restrictions326Guidelines326Configuring CBAC on Catalyst 6500 Series Switches327Configuring MAC Address-Based Traffic Blocking328Configuring VLAN ACLs328Understanding VACLs328VACL Overview328Bridged Packets329Routed Packets330Multicast Packets331Configuring VACLs331VACL Configuration Overview332Defining a VLAN Access Map332Configuring a Match Clause in a VLAN Access Map Sequence333Configuring an Action Clause in a VLAN Access Map Sequence334Applying a VLAN Access Map334Verifying VLAN Access Map Configuration335VLAN Access Map Configuration and Verification Examples335Configuring a Capture Port336Configuring VACL Logging337Configuring TCP Intercept338Configuring Unicast Reverse Path Forwarding339Understanding Unicast RPF Support339Configuring Unicast RPF339Enabling Self-Pinging339Configuring the Unicast RPF Checking Mode340Configuring Unicast Flood Protection341Configuring MAC Move Notification342Configuring Denial of Service Protection345DoS Protection Overview345Configuring DoS Protection346Supervisor Engine DoS Protection346Security ACLs346QoS ACLs348Forwarding Information Base Rate-Limiting349ARP Throttling349Monitoring Packet Drop Statistics350Monitoring Dropped Packets Using NetFlow Commands350Monitoring Dropped Packets Using Monitor Session Commands351Configuring IEEE 802.1X Port-Based Authentication353Understanding 802.1X Port-Based Authentication353Device Roles354Authentication Initiation and Message Exchange355Ports in Authorized and Unauthorized States356Supported Topologies356Default 802.1X Port-Based Authentication Configuration357802.1X Port-Based Authentication Guidelines and Restrictions358Configuring 802.1X Port-Based Authentication359Enabling 802.1X Port-Based Authentication359Configuring Switch-to-RADIUS-Server Communication360Enabling Periodic Reauthentication362Manually Reauthenticating the Client Connected to a Port363Initializing Authentication for the Client Connected to a Port363Changing the Quiet Period363Changing the Switch-to-Client Retransmission Time364Setting the Switch-to-Client Retransmission Time for EAP-Request Frames365Setting the Switch-to-Authentication-Server Retransmission Time for Layer 4 Packets365Setting the Switch-to-Client Frame Retransmission Number366Enabling Multiple Hosts366Resetting the 802.1X Configuration to the Default Values367Displaying 802.1X Status367Configuring Port Security369Understanding Port Security369Default Port Security Configuration370Port Security Guidelines and Restrictions370Configuring Port Security370Configuring Port Security on an Interface371Configuring Port Security Aging372Displaying Port Security Settings373Configuring Layer 3 Protocol Filtering on Supervisor Engine 1375Understanding How Layer 3 Protocol Filtering Works375Configuring Layer 3 Protocol Filtering376Enabling Layer 3 Protocol Filtering376Configuring Layer 3 Protocol Filtering on a Layer 2 LAN Interface377Verifying Layer 3 Protocol Filtering Configuration377Configuring Traffic Storm Control379Understanding Traffic Storm Control379Default Traffic Storm Control Configuration380Enabling Traffic Storm Control380Displaying Traffic Storm Control Settings382Configuring Broadcast Suppression383Understanding How Broadcast Suppression Works383Broadcast Suppression Configuration Guidelines and Restrictions384Enabling Broadcast Suppression385Configuring CDP387Understanding How CDP Works387Configuring CDP387Enabling CDP Globally388Displaying the CDP Global Configuration388Enabling CDP on a Port388Displaying the CDP Interface Configuration389Monitoring and Maintaining CDP389Configuring PFC QoS391Understanding How PFC QoS Works391Hardware Supported by PFC QoS392QoS Terminology393PFC QoS Feature Flowcharts396PFC QoS Feature Summary401Ingress LAN Port Features401Ingress OSM Port Features401PFC QoS Features401Egress LAN Port Features402Egress OSM Port Features402MSFC Features402Ingress LAN Port Features402Ingress LAN Port Trust States402Marking at Untrusted Ingress LAN Ports403Marking at Trusted Ingress LAN Ports403Ingress LAN Port Scheduling and Congestion Avoidance403Receive Queues403Scheduling404Congestion Avoidance404PFC Marking and Policing406Internal DSCP Values407Internal DSCP Sources407Egress DSCP and CoS Sources407Policy Maps408Policers409Attaching Policy Maps411Egress CoS and ToS Values411LAN Egress Port Features411Transmit Queues411Scheduling and Congestion Avoidance4122q2t Ports4131p2q2t Ports4131p3q1t Ports4131p2q1t Ports414Marking414PFC QoS Statistics Data Export414PFC QoS Default Configuration415PFC QoS Configuration Guidelines and Restrictions421Guidelines:421Restrictions422Configuring PFC QoS423Enabling PFC QoS Globally423Enabling Queueing-Only Mode424Creating Named Aggregate Policers425Configuring a PFC QoS Policy427PFC QoS Policy Configuration Overview427Configuring MAC-Layer Named Access Lists (Optional)429Configuring a Class Map (Optional)430Creating a Class Map430Configuring Filtering in a Class Map430Verifying Class Map Configuration431Configuring a Policy Map432Creating a Policy Map432Creating a Policy Map Class and Configuring Filtering433Configuring Policy Map Class Actions434Configuring Policy Map Class Marking434Configuring the Policy Map Class Trust State435Configuring Policy Map Class Policing435Using a Named Aggregate Policer435Configuring a Per-Interface Policer436Verifying Policy Map Configuration438Attaching a Policy Map to an Interface439Enabling or Disabling Microflow Policing440Enabling Microflow Policing of Bridged Traffic440Enabling or Disabling PFC Features on an Interface441Enabling VLAN-Based PFC QoS on Layer 2 LAN Ports442Configuring the Trust State of Ethernet LAN and OSM Ingress Ports443Configuring the Ingress LAN Port CoS Value444Configuring Standard-Queue Drop Threshold Percentages444Configuring a Tail-Drop Receive Queue445Configuring a WRED-Drop Transmit Queue446Configuring a WRED-Drop and Tail-Drop Transmit Queue447Configuring 1q4t/2q2t Tail-Drop Threshold Percentages448Mapping CoS Values to Drop Thresholds449Mapping CoS Values to Standard Receive-Queue Thresholds450Mapping CoS Values to Standard Transmit-Queue Thresholds451Mapping CoS Values to Strict-Priority Queues451Mapping CoS Values to Tail-Drop Thresholds on 1q4t/2q2t LAN Ports452Allocating Bandwidth Between LAN-Port Transmit Queues454Setting the Receive-Queue Size Ratio on a 1p1q0t or 1p1q8t Ingress LAN Ports454Setting the LAN-Port Transmit-Queue Size Ratio455Configuring DSCP Value Maps456Mapping Received CoS Values to Internal DSCP Values456Mapping Received IP Precedence Values to Internal DSCP Values457Mapping Internal DSCP Values to Egress CoS Values457Configuring DSCP Markdown Values458Configuring PFC QoS Statistics Data Export460Enabling PFC QoS Statistics Data Export Globally460Enabling PFC QoS Statistics Data Export for a Port461Enabling PFC QoS Statistics Data Export for a Named Aggregate Policer462Enabling PFC QoS Statistics Data Export for a Class Map463Setting the PFC QoS Statistics Data Export Time Interval464Configuring PFC QoS Statistics Data Export Destination Host and UDP Port465Setting the PFC QoS Statistics Data Export Field Delimiter467Configuring UDLD469Understanding How UDLD Works469UDLD Overview469UDLD Aggressive Mode470Default UDLD Configuration471Configuring UDLD471Enabling UDLD Globally471Enabling UDLD on Individual LAN Interfaces472Disabling UDLD on Fiber-Optic LAN Interfaces473Configuring the UDLD Probe Message Interval473Resetting Disabled LAN Interfaces474Configuring NDE475Understanding How NDE Works475NDE Overview476NDE from the MSFC476NDE from the PFC476Flow Masks476NDE Versions477MLS Cache Entries480Sampled NetFlow480Default NDE Configuration481Configuring NDE482Configuring NDE on the PFC482Enabling NDE From the PFC482Setting the Minimum IP MLS Flow Mask483Populating Additional NDE Fields484Configuring the MLS Aging Time484Configuring Sampled NetFlow485Configuring Sampled NetFlow Globally486Configuring Sampled NetFlow on a Layer 3 Interface486Configuring NDE on the MSFC487Enabling NetFlow487Configuring the MSFC NDE Source Layer 3 Interface487Configuring the NDE Destination488Displaying the NDE Address and Port Configuration488Configuring NDE Flow Filters489NDE Flow Filter Overview489Configuring a Port Flow Filter489Configuring a Host and Port Filter490Configuring a Host Flow Filter490Configuring a Protocol Flow Filter490Clearing an NDE Flow Filter491Displaying the NDE Configuration491Configuring Local SPAN and RSPAN493Understanding How Local SPAN and RSPAN Work493Local SPAN and RSPAN Overview493Local SPAN Overview494RSPAN Overview495Local SPAN and RSPAN Sessions495Monitored Traffic496Monitored Traffic Direction496Monitored Traffic Type496Duplicate Traffic496SPAN Sources496Source Ports496Source VLANs497Destination Ports497Local SPAN and RSPAN Configuration Guidelines and Restrictions497Local SPAN and RSPAN Session Limits497Local SPAN and RSPAN Source and Destination Limits498Local SPAN and RSPAN Guidelines and Restrictions498VSPAN Guidelines and Restrictions499RSPAN Guidelines and Restrictions499Configuring Local SPAN and RSPAN500Local SPAN and RSPAN Configuration Overview500Configuring RSPAN VLANs501Configuring Local or RSPAN Sources501Monitoring Specific Source VLANs on a Source Trunk Port502Configuring Local SPAN and RSPAN Destinations502Configuring a Destination Port as an Unconditional Trunk503Configuring a Local or RSPAN Destination503Verifying the Configuration504Configuration Examples505Configuring Web Cache Services Using WCCP507Understanding WCCP508WCCP Overview508Hardware Acceleration508Understanding WCCPv1 Configuration509Understanding WCCPv2 Configuration510WCCPv2 Features511Support for Non-HTTP Services511Support for Multiple Routers512MD5 Security512Web Cache Packet Return512Load Distribution512Restrictions for WCCPv2513Configuring WCCP513Specifying a Version of WCCP513Configuring a Service Group Using WCCPv2514Specifying a Web Cache Service515Excluding Traffic on a Specific Interface from Redirection515Registering a Router to a Multicast Address516Using Access Lists for a WCCP Service Group516Setting a Password for a Router and Cache Engines517Verifying and Monitoring WCCP Configuration Settings518WCCP Configuration Examples518Changing the Version of WCCP on a Router Example519Performing a General WCCPv2 Configuration Example519Running a Web Cache Service Example519Running a Reverse Proxy Service Example520Registering a Router to a Multicast Address Example520Using Access Lists Example520Setting a Password for a Router and Cache Engines Example521Verifying WCCP Settings Example521Configuring SNMP IfIndex Persistence523Understanding SNMP IfIndex Persistence523Configuring SNMP IfIndex Persistence523Enabling and Disabling SNMP IfIndex Persistence Globally524Enabling and Disabling SNMP IfIndex Persistence on Specific Interfaces524Configuration Examples525Enabling SNMP IfIndex Persistence on All Interfaces Example525Enabling SNMP IfIndex Persistence on a Specific Interface Example525Disabling SNMP IfIndex Persistence on a Specific Interface Example525Clearing SNMP IfIndex Persistence Configuration from a Specific Interface Example526Configuring the Switch Fabric Module527Understanding How the Switch Fabric Module Works527Switch Fabric Module Overview527Switch Fabric Module Slots528Switch Fabric Redundancy528Forwarding Decisions for Layer 3-Switched Traffic528Switching Modes528Configuring the Switch Fabric Module529Configuring the Switching Mode529Configuring Fabric-Required Mode530Configuring an LCD Message531Monitoring the Switch Fabric Module531Displaying the Module Information531Displaying the Switch Fabric Module Redundancy Status532Displaying Fabric Channel Switching Modes532Displaying the Fabric Status533Displaying the Fabric Utilization533Displaying Fabric Errors533Power Management and Environmental Monitoring535Understanding How Power Management Works535Enabling or Disabling Power Redundancy536Using the CLI to Power Modules Off and On537Using the CLI to View System Power Status537Using the CLI to Power Cycle Modules538Determining System Power Requirements538Understanding How Environmental Monitoring Works538Using CLI Commands to Monitor System Environmental Status538Understanding LED Environmental Indications538Acronyms541index549Größe: 4,96 MBSeiten: 570Language: EnglishHandbuch öffnen
