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Cisco ME 3400 EthernetAccess Switch SoftwareConfiguration Guide

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Chapter10 Configuring Command Macros

Displaying Command Macros

Contents

Main Cisco ME 3400 Ethernet Access Switch Software Configuration Guide Page CONTENTS Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Preface Audience Purpose Conventions Related Publications Obtaining Documentation Cisco.com Product Documentation DVD Ordering Documentation Documentation Feedback Cisco Product Security Overview Reporting Security Problems in Cisco Products Obtaining Technical Assistance Cisco Technical Support & Documentation Website Submitting a Service Request Definitions of Service Request Severity Obtaining Additional Publications and Information Page Overview Features Performance Features Management Options Manageability Features Availability Features VLAN Features Security Features Subscriber Security Switch Security Network Security Quality of Service and Class of Service Features Layer 2 Virtual Private Network Services Layer 3 Features Layer 3 VPN Services Monitoring Features Default Settings After Initial Switch Configuration Page Page Network Configuration Examples Multidwelling or Ethernet-to-the-Subscriber Network Service Provider POP Residential location Residential basement Layer 2 VPN Application Multi-VRF CE Application Where to Go Next Page Using the Command-Line Interface Understanding Command Modes Page Understanding the Help System Understanding Abbreviated Commands Understanding no and default Forms of Commands Understanding CLI Error Messages Using Command History Changing the Command History Buffer Size Recalling Commands Disabling the Command History Feature Using Editing Features Enabling and Disabling Editing Features Editing Commands through Keystrokes Page Editing Command Lines that Wrap Searching and Filtering Output of show and more Commands Accessing the CLI Accessing the CLI through a Console Connection or through Telnet Page Assigning the Switch IP Address and Default Gateway Understanding the Boot Process Assigning Switch Information Default Switch Information Understanding DHCP-Based Autoconfiguration DHCP Client Request Process Page Configuring DHCP-Based Autoconfiguration DHCP Server Configuration Guidelines Configuring the TFTP Server Configuring the DNS Configuring the Relay Device Obtaining Configuration Files Example Configuration Manually Assigning IP Information Checking and Saving the Running Configuration 3-11 Modifying the Startup Configuration Default Boot Configuration Automatically Downloading a Configuration File Specifying the Filename to Read and Write the System Configuration Booting Manually Booting a Specific Software Image Controlling Environment Variables Scheduling a Reload of the Software Image Configuring a Scheduled Reload Displaying Scheduled Reload Information Configuring Cisco IOS CNS Agents Understanding Cisco Configuration Engine Software Configuration Service Event Service NameSpace Mapper What You Should Know About the CNS IDs and Device Hostnames ConfigID DeviceID Hostname and DeviceID Using Hostname, DeviceID, and ConfigID Understanding Cisco IOS Agents Initial Configuration V Incremental (Partial) Configuration Synchronized Configuration Configuring Cisco IOS Agents Enabling Automated CNS Configuration Page Enabling the CNS Event Agent Enabling the Cisco IOS CNS Agent Enabling an Initial Configuration Page Enabling a Partial Configuration Displaying CNS Configuration Page Administering the Switch Managing the System Time and Date Understanding the System Clock Understanding Network Time Protocol Page Configuring NTP Default NTP Configuration Configuring NTP Authentication Configuring NTP Associations Configuring NTP Broadcast Service Configuring NTP Access Restrictions Creating an Access Group and Assigning a Basic IP Access List Disabling NTP Services on a Specific Interface Configuring the Source IP Address for NTP Packets Displaying the NTP Configuration Configuring Time and Date Manually Setting the System Clock Displaying the Time and Date Configuration Configuring the Time Zone Configuring Summer Time (Daylight Saving Time) Configuring a System Name and Prompt Default System Name and Prompt Configuration Configuring a System Name Understanding DNS Default DNS Configuration Setting Up DNS Displaying the DNS Configuration Creating a Banner Default Banner Configuration Configuring a Message-of-the-Day Login Banner Configuring a Login Banner Managing the MAC Address Table Building the Address Table MAC Addresses and VLANs Default MAC Address Table Configuration Changing the Address Aging Time Removing Dynamic Address Entries Configuring MAC Address Notification Traps Page Adding and Removing Static Address Entries Configuring Unicast MAC Address Filtering Disabling MAC Address Learning on a VLAN Page Displaying Address Table Entries Managing the ARP Table Configuring SDM Templates Understanding the SDM Templates Configuring the Switch SDM Template Default SDM Template SDM Template Configuration Guidelines Setting the SDM Template 6-4 This example shows how to configure a switch with the layer-2 template. Displaying the SDM Templates This is an example of output from the show sdm prefer layer-2 command: Configuring Switch-Based Authentication Preventing Unauthorized Access to Your Switch Protecting Access to Privileged EXEC Commands Default Password and Privilege Level Configuration Setting or Changing a Static Enable Password Protecting Enable and Enable Secret Passwords with Encryption Disabling Password Recovery Setting a Telnet Password for a Terminal Line Configuring Username and Password Pairs Configuring Multiple Privilege Levels Setting the Privilege Level for a Command Changing the Default Privilege Level for Lines Logging into and Exiting a Privilege Level Controlling Switch Access with TACACS+ Understanding TACACS+ Page TACACS+ Operation Configuring TACACS+ Default TACACS+ Configuration Identifying the TACACS+ Server Host and Setting the Authentication Key Configuring TACACS+ Login Authentication Page Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services Starting TACACS+ Accounting Displaying the TACACS+ Configuration Controlling Switch Access with RADIUS Understanding RADIUS RADIUS Operation Configuring RADIUS Default RADIUS Configuration Identifying the RADIUS Server Host Page Page Configuring RADIUS Login Authentication Page Defining AAA Server Groups Page Configuring RADIUS Authorization for User Privileged Access and Network Services Starting RADIUS Accounting Configuring Settings for All RADIUS Servers Configuring the Switch to Use Vendor-Specific RADIUS Attributes Page Configuring the Switch for Vendor-Proprietary RADIUS Server Communication Displaying the RADIUS Configuration Controlling Switch Access with Kerberos Understanding Kerberos Page Kerberos Operation Authenticating to a Boundary Switch Obtaining a TGT from a KDC Authenticating to Network Services Configuring Kerberos Configuring the Switch for Local Authentication and Authorization Configuring the Switch for Secure Shell Understanding SSH SSH Servers, Integrated Clients, and Supported Versions Limitations Configuring SSH Configuration Guidelines Setting Up the Switch to Run SSH Configuring the SSH Server Displaying the SSH Configuration and Status Page Configuring IEEE 802.1x Port-Based Authentication Understanding IEEE 802.1x Port-Based Authentication Device Roles Authentication Initiation and Message Exchange Ports in Authorized and Unauthorized States IEEE 802.1x Accounting IEEE 802.1x Accounting Attribute-Value Pairs IEEE 802.1x Host Mode Using IEEE 802.1x with Port Security Using IEEE 802.1x with VLAN Assignment Configuring IEEE 802.1x Authentication Default IEEE 802.1x Configuration IEEE 802.1x Configuration Guidelines Configuring IEEE 802.1x Authentication Configuring the Switch-to-RADIUS-Server Communication Configuring Periodic Re-Authentication Manually Re-Authenticating a Client Connected to a Port Changing the Quiet Period Changing the Switch-to-Client Retransmission Time Setting the Switch-to-Client Frame-Retransmission Number Setting the Re-Authentication Number Configuring the Host Mode Resetting the IEEE 802.1x Configuration to the Default Values Configuring IEEE 802.1x Accounting Displaying IEEE 802.1x Statistics and Status Page Configuring Interface Characteristics Understanding Interface Types Port-Based VLANs Switch Ports UNI and NNI Ports Access Ports Trunk Ports Tunnel Ports Routed Ports Switch Virtual Interfaces EtherChannel Port Groups Connecting Interfaces Using Interface Configuration Mode Procedures for Configuring Interfaces Configuring a Range of Interfaces Page Configuring and Using Interface Range Macros Configuring Ethernet Interfaces Default Ethernet Interface Configuration Configuring User Network and Network Node Interfaces Configuring Interface Speed and Duplex Mode Speed and Duplex Configuration Guidelines Setting the Interface Speed and Duplex Parameters Page Configuring IEEE 802.3x Flow Control Configuring Auto-MDIX on an Interface Adding a Description for an Interface Configuring Layer 3 Interfaces Configuring the System MTU Monitoring and Maintaining the Interfaces Monitoring Interface Status Clearing and Resetting Interfaces and Counters Shutting Down and Restarting the Interface Configuring Command Macros Understanding Command Macros Configuring Command Macros Default Command Macro Configuration Command Macro Configuration Guidelines Creating Command Macros Applying Command Macros Displaying Command Macros Page Configuring VLANs Understanding VLANs Page Supported VLANs Normal-Range VLANs Extended-Range VLANs VLAN Port Membership Modes UNI VLANs Creating and Modifying VLANs Default Ethernet VLAN Configuration VLAN Configuration Guidelines Creating or Modifying an Ethernet VLAN Assigning Static-Access Ports to a VLAN Creating an Extended-Range VLAN with an Internal VLAN ID Configuring UNI VLANs Configuration Guidelines Configuring UNI VLANs Displaying VLANs Configuring VLAN Trunks Trunking Overview IEEE 802.1Q Configuration Considerations Default Layer 2 Ethernet Interface VLAN Configuration Configuring an Ethernet Interface as a Trunk Port Interaction with Other Features Configuring a Trunk Port Defining the Allowed VLANs on a Trunk Page Configuring the Native VLAN for Untagged Traffic Configuring Trunk Ports for Load Sharing Load Sharing Using STP Port Priorities Load Sharing Using STP Path Cost Page Configuring VMPS Understanding VMPS Dynamic-Access Port VLAN Membership Default VMPS Client Configuration VMPS Configuration Guidelines Configuring the VMPS Client Entering the IP Address of the VMPS Configuring Dynamic-Access Ports on VMPS Clients Reconfirming VLAN Memberships Changing the Reconfirmation Interval Changing the Retry Count Monitoring the VMPS Troubleshooting Dynamic-Access Port VLAN Membership VMPS Configuration Example 11-29 Page Configuring Private VLANs Understanding Private VLANs Types of Private VLANs and Private-VLAN Ports Page IP Addressing Scheme with Private VLANs Private VLANs across Multiple Switches Private VLANs and Unicast, Broadcast, and Multicast Traffic Private VLANs and SVIs Configuring Private VLANs Tasks for Configuring Private VLANs Default Private-VLAN Configuration Private-VLAN Configuration Guidelines Secondary and Primary VLAN Configuration Private-VLAN Port Configuration Limitations with Other Features Configuring and Associating VLANs in a Private VLAN Page Configuring a Layer 2 Interface as a Private-VLAN Host Port Configuring a Layer 2 Interface as a Private-VLAN Promiscuous Port Mapping Secondary VLANs to a Primary VLAN Layer 3 VLAN Interface Monitoring Private VLANs Page Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling Understanding IEEE 802.1Q Tunneling Page Page Configuring IEEE 802.1Q Tunneling Default IEEE 802.1Q Tunneling Configuration IEEE 802.1Q Tunneling Configuration Guidelines Native VLANs System MTU IEEE 802.1Q Tunneling and Other Features Configuring an IEEE 802.1Q Tunneling Port Page Understanding Layer 2 Protocol Tunneling 13-9 Configuring Layer 2 Protocol Tunneling Default Layer 2 Protocol Tunneling Configuration Layer 2 Protocol Tunneling Configuration Guidelines Configuring Layer 2 Protocol Tunneling Page Configuring Layer 2 Tunneling for EtherChannels Configuring the SP Edge Switch Configuring the Customer Switch Page 13-17 Monitoring and Maintaining Tunneling Status Configuring STP Understanding Spanning-Tree Features STP Overview Spanning-Tree Topology and BPDUs Bridge ID, Switch Priority, and Extended System ID Spanning-Tree Interface States Page Blocking State Listening State Learning State Forwarding State Disabled State How a Switch or Port Becomes the Root Switch or Root Port Spanning Tree and Redundant Connectivity Spanning-Tree Address Management Accelerated Aging to Retain Connectivity Spanning-Tree Modes and Protocols Supported Spanning-Tree Instances Spanning-Tree Interoperability and Backward Compatibility STP and IEEE 802.1Q Trunks Configuring Spanning-Tree Features Default Spanning-Tree Configuration Spanning-Tree Configuration Guidelines Changing the Spanning-Tree Mode. Disabling Spanning Tree Configuring the Root Switch Page Configuring a Secondary Root Switch Configuring Port Priority Page Configuring Path Cost Configuring the Switch Priority of a VLAN Configuring Spanning-Tree Timers Configuring the Hello Time Configuring the Forwarding-Delay Time for a VLAN Configuring the Maximum-Aging Time for a VLAN Displaying the Spanning-Tree Status Configuring MSTP Understanding MSTP Multiple Spanning-Tree Regions IST, CIST, and CST Operations Within an MST Region Operations Between MST Regions Hop Count Boundary Ports Interoperability with IEEE 802.1D STP Understanding RSTP Port Roles and the Active Topology Rapid Convergence Synchronization of Port Roles Bridge Protocol Data Unit Format and Processing Processing Superior BPDU Information Processing Inferior BPDU Information Topology Changes Configuring MSTP Features Default MSTP Configuration MSTP Configuration Guidelines Specifying the MST Region Configuration and Enabling MSTP Configuring the Root Switch Page Configuring a Secondary Root Switch Configuring Port Priority Configuring Path Cost Configuring the Switch Priority Configuring the Hello Time Configuring the Forwarding-Delay Time Configuring the Maximum-Aging Time Configuring the Maximum-Hop Count Specifying the Link Type to Ensure Rapid Transitions Restarting the Protocol Migration Process Displaying the MST Configuration and Status Page Configuring Optional Spanning-Tree Features Understanding Optional Spanning-Tree Features Understanding Port Fast Understanding BPDU Guard Understanding BPDU Filtering Understanding EtherChannel Guard Understanding Root Guard Understanding Loop Guard Configuring Optional Spanning-Tree Features Default Optional Spanning-Tree Configuration Optional Spanning-Tree Configuration Guidelines Enabling Port Fast Enabling BPDU Guard Enabling BPDU Filtering Enabling EtherChannel Guard Enabling Root Guard Enabling Loop Guard Displaying the Spanning-Tree Status Configuring Flex Links Understanding Flex Links Configuring Flex Links Default Flex Link Configuration Flex Link Configuration Guidelines Configuring Flex Links Monitoring Flex Links Configuring DHCP Features and IP Source Guard Understanding DHCP Features DHCP Server DHCP Relay Agent DHCP Snooping Option-82 Data Insertion Page DHCP Snooping Binding Database Circuit ID Suboption Frame Format Remote ID Suboption Frame Format Configuring DHCP Features Default DHCP Configuration DHCP Snooping Configuration Guidelines Configuring the DHCP Relay Agent Specifying the Packet Forwarding Address Enabling DHCP Snooping and Option 82 Enabling DHCP Snooping on Private VLANs Enabling the DHCP Snooping Binding Database Agent Displaying DHCP Snooping Information Understanding IP Source Guard Source IP Address Filtering Source IP and MAC Address Filtering Configuring IP Source Guard Default IP Source Guard Configuration IP Source Guard Configuration Guidelines Enabling IP Source Guard Displaying IP Source Guard Information Configuring Dynamic ARP Inspection Understanding Dynamic ARP Inspection Page Interface Trust States and Network Security Rate Limiting of ARP Packets Relative Priority of ARP ACLs and DHCP Snooping Entries Logging of Dropped Packets Configuring Dynamic ARP Inspection Default Dynamic ARP Inspection Configuration Dynamic ARP Inspection Configuration Guidelines Configuring Dynamic ARP Inspection in DHCP Environments Configuring ARP ACLs for Non-DHCP Environments Page Limiting the Rate of Incoming ARP Packets Page Performing Validation Checks Configuring the Log Buffer Displaying Dynamic ARP Inspection Information Page Page Configuring IGMP Snooping and MVR Understanding IGMP Snooping IGMP Versions Joining a Multicast Group Page Leaving a Multicast Group Immediate Leave IGMP Configurable-Leave Timer IGMP Report Suppression Configuring IGMP Snooping Default IGMP Snooping Configuration Enabling or Disabling IGMP Snooping Configuring a Multicast Router Port Configuring a Host Statically to Join a Group Enabling IGMP Immediate Leave Configuring the IGMP Leave Timer Configuring TCN-Related Commands Controlling the Multicast Flooding Time After a TCN Event Recovering from Flood Mode Disabling Multicast Flooding During a TCN Event Configuring the IGMP Snooping Querier Disabling IGMP Report Suppression Displaying IGMP Snooping Information Understanding Multicast VLAN Registration Using MVR in a Multicast Television Application Page Configuring MVR Default MVR Configuration MVR Configuration Guidelines and Limitations Configuring MVR Global Parameters Configuring MVR Interfaces Page Displaying MVR Information Configuring IGMP Filtering and Throttling Default IGMP Filtering and Throttling Configuration Configuring IGMP Profiles Page Applying IGMP Profiles Setting the Maximum Number of IGMP Groups Configuring the IGMP Throttling Action Page Displaying IGMP Filtering and Throttling Configuration Configuring Port-Based Traffic Control Configuring Storm Control Understanding Storm Control Page Default Storm Control Configuration Configuring Storm Control and Threshold Levels Page Configuring Protected Ports Default Protected Port Configuration Protected Port Configuration Guidelines Configuring a Protected Port Configuring Port Blocking Default Port Blocking Configuration Blocking Flooded Traffic on an Interface Configuring Port Security Understanding Port Security Secure MAC Addresses Security Violations Default Port Security Configuration Port Security Configuration Guidelines Enabling and Configuring Port Security Page Page Page Enabling and Configuring Port Security Aging Page Displaying Port-Based Traffic Control Settings Page Configuring CDP Understanding CDP Configuring CDP Default CDP Configuration Configuring the CDP Characteristics Disabling and Enabling CDP Disabling and Enabling CDP on an Interface Monitoring and Maintaining CDP Page Configuring UDLD Understanding UDLD Modes of Operation Methods to Detect Unidirectional Links Page Configuring UDLD Default UDLD Configuration Configuration Guidelines Enabling UDLD Globally Enabling UDLD on an Interface Resetting an Interface Disabled by UDLD Displaying UDLD Status Configuring SPAN and RSPAN Understanding SPAN and RSPAN Local SPAN Remote SPAN SPAN and RSPAN Concepts and Terminology SPAN Sessions Monitored Traffic Source Ports Source VLANs VLAN Filtering Destination Port RSPAN VLAN SPAN and RSPAN Interaction with Other Features Configuring SPAN and RSPAN Default SPAN and RSPAN Configuration Configuring Local SPAN SPAN Configuration Guidelines Creating a Local SPAN Session Page Creating a Local SPAN Session and Configuring Ingress Traffic Page Specifying VLANs to Filter Configuring RSPAN RSPAN Configuration Guidelines Configuring a VLAN as an RSPAN VLAN Creating an RSPAN Source Session Page Creating an RSPAN Destination Session Creating an RSPAN Destination Session and Configuring Ingress Traffic Specifying VLANs to Filter Displaying SPAN and RSPAN Status Configuring RMON Understanding RMON Configuring RMON Default RMON Configuration Configuring RMON Alarms and Events Page Collecting Group History Statistics on an Interface Collecting Group Ethernet Statistics on an Interface Displaying RMON Status Configuring System Message Logging Understanding System Message Logging Configuring System Message Logging System Log Message Format Default System Message Logging Configuration Disabling Message Logging Setting the Message Display Destination Device Synchronizing Log Messages Page Enabling and Disabling Time Stamps on Log Messages Enabling and Disabling Sequence Numbers in Log Messages Defining the Message Severity Level Limiting Syslog Messages Sent to the History Table and to SNMP Configuring UNIX Syslog Servers Logging Messages to a UNIX Syslog Daemon Configuring the UNIX System Logging Facility Displaying the Logging Configuration Configuring SNMP Understanding SNMP SNMP Versions SNMP Manager Functions SNMP Agent Functions SNMP Community Strings Using SNMP to Access MIB Variables SNMP Notifications SNMP ifIndex MIB Object Values Configuring SNMP Default SNMP Configuration SNMP Configuration Guidelines Disabling the SNMP Agent Configuring Community Strings Configuring SNMP Groups and Users Page Configuring SNMP Notifications Page Page Setting the Agent Contact and Location Information Limiting TFTP Servers Used Through SNMP SNMP Examples Displaying SNMP Status Configuring Network Security with ACLs Understanding ACLs Supported ACLs Port ACLs Router ACLs VLAN Maps Handling Fragmented and Unfragmented Traffic Configuring IPv4 ACLs Creating Standard and Extended IPv4 ACLs IPv4 Access List Numbers ACL Logging Creating a Numbered Standard ACL Creating a Numbered Extended ACL Page Page Page Resequencing ACEs in an ACL Creating Named Standard and Extended ACLs Page Using Time Ranges with ACLs Page Including Comments in ACLs Applying an IPv4 ACL to a Terminal Line Applying an IPv4 ACL to an Interface Page Hardware and Software Treatment of IP ACLs IPv4 ACL Configuration Examples Page Numbered ACLs Extended ACLs Named ACLs Time Range Applied to an IP ACL Commented IP ACL Entries ACL Logging Creating Named MAC Extended ACLs Page Applying a MAC ACL to a Layer 2 Interface Configuring VLAN Maps VLAN Map Configuration Guidelines Creating a VLAN Map Examples of ACLs and VLAN Maps Example 1 Example 2 Example 3 Example 4 Applying a VLAN Map to a VLAN Using VLAN Maps in Your Network Wiring Closet Configuration Denying Access to a Server on Another VLAN Using VLAN Maps with Router ACLs VLAN Maps and Router ACL Configuration Guidelines Examples of Router ACLs and VLAN Maps Applied to VLANs ACLs and Switched Packets 28-38 ACLs and Routed Packets ACLs and Multicast Packets Displaying IPv4 ACL Configuration Page Configuring Control-Plane Security Understanding Control-Plane Security Page Page Configuring Control-Plane Security Monitoring Control-Plane Security Page Configuring QoS Understanding QoS Page Modular QoS CLI Input and Output Policies Input Policy Maps Output Policy Maps Classification Class Maps The match Command Classification Based on Layer 2 CoS Classification Based on IP Precedence Classification Based on IP DSCP Classification Comparisons Classification Based on QoS ACLs Classification Based on QoS Groups Table Maps Policing Individual Policing Aggregate Policing Unconditional Priority Policing Marking 30-17 Congestion Management and Scheduling Traffic Shaping Class-Based Shaping Port Shaping Parent-Child Hierarchy Class-Based Weighted Fair Queuing Priority Queuing Page Congestion Avoidance and Queuing Page Configuring QoS Default QoS Configuration QoS Configuration Guidelines Using ACLs to Classify Traffic Creating IP Standard ACLs Creating IP Extended ACLs Creating Layer 2 MAC ACLs Using Class Maps to Define a Traffic Class Page Configuring Table Maps Page Attaching a Traffic Policy to an Interface Configuring Input Policy Maps Configuring Input Policy Maps with Individual Policing Page Page Configuring Input Policy Maps with Aggregate Policing Page Configuring Input Policy Maps with Marking Page Configuring Output Policy Maps Configuring Output Policy Maps with Class-Based-Weighted-Queuing Page Configuring Output Policy Maps with Class-Based Shaping Configuring Output Policy Maps with Port Shaping Configuring Output Policy Maps with Class-Based Priority Queuing Configuring Priority Without Police Page Configuring Priority With Police Page Page Configuring Output Policy Maps with Weighted Tail Drop Page Displaying QoS Information QoS Statistics Configuration Examples for Policy Maps QoS Configuration for Customer A Page QoS Configuration for Customer B Modifying Output Policies and Adding or Deleting Classification Criteria Modifying Output Policies and Changing Queuing or Scheduling Parameters Modifying Output Policies and Adding or Deleting Configured Actions Modifying Output Policies and Adding or Deleting a Class Page Page Page Configuring EtherChannels Understanding EtherChannels EtherChannel Overview Port-Channel Interfaces Port Aggregation Protocol PAgP Modes PAgP Interaction with Other Features Link Aggregation Control Protocol LACP Modes LACP Interaction with Other Features EtherChannel On Mode Load Balancing and Forwarding Methods Page Configuring EtherChannels Default EtherChannel Configuration EtherChannel Configuration Guidelines Configuring Layer 2 EtherChannels Page Configuring Layer 3 EtherChannels Creating Port-Channel Logical Interfaces Configuring the Physical Interfaces Page Configuring EtherChannel Load Balancing Configuring the PAgP Learn Method and Priority Configuring LACP Hot-Standby Ports Configuring the LACP System Priority Configuring the LACP Port Priority Displaying EtherChannel, PAgP, and LACP Status Page Configuring IP Unicast Routing Understanding IP Routing Types of Routing Steps for Configuring Routing Configuring IP Addressing Default Addressing Configuration Assigning IP Addresses to Network Interfaces Use of Subnet Zero Classless Routing Configuring Address Resolution Methods Define a Static ARP Cache Set ARP Encapsulation Enable Proxy ARP Routing Assistance When IP Routing is Disabled Proxy ARP Default Gateway ICMP Router Discovery Protocol (IRDP) Configuring Broadcast Packet Handling Enabling Directed Broadcast-to-Physical Broadcast Translation Forwarding UDP Broadcast Packets and Protocols Establishing an IP Broadcast Address Flooding IP Broadcasts Page Monitoring and Maintaining IP Addressing Enabling IPv4 Unicast Routing Configuring RIP Default RIP Configuration Configuring Basic RIP Parameters Page Configuring RIP Authentication Configuring Summary Addresses and Split Horizon Page Configuring Split Horizon Configuring OSPF Default OSPF Configuration Page Configuring Basic OSPF Parameters Configuring OSPF Interfaces Configuring OSPF Area Parameters Page Configuring Other OSPF Parameters Changing LSA Group Pacing Configuring a Loopback Interface Monitoring OSPF Configuring EIGRP Page Default EIGRP Configuration Configuring Basic EIGRP Parameters Configuring EIGRP Interfaces Configuring EIGRP Route Authentication Monitoring and Maintaining EIGRP Configuring BGP Page Default BGP Configuration Page Enabling BGP Routing Page Page Managing Routing Policy Changes Configuring BGP Decision Attributes Page Configuring BGP Filtering with Route Maps Configuring BGP Filtering by Neighbor Configuring Prefix Lists for BGP Filtering Configuring BGP Community Filtering Configuring BGP Neighbors and Peer Groups Page Configuring Aggregate Addresses Configuring Routing Domain Confederations Configuring BGP Route Reflectors Configuring Route Dampening Monitoring and Maintaining BGP Configuring Multi-VRF CE Understanding Multi-VRF CE Page Default Multi-VRF CE Configuration Multi-VRF CE Configuration Guidelines Configuring VRFs Configuring a VPN Routing Session Configuring BGP PE to CE Routing Sessions Multi-VRF CE Configuration Example 32-65 Configuring Switch A On Switch A, enable routing and configure VRF. 32-66 Configure OSPF routing in VPN1 and VPN2. Configure BGP for CE to PE routing. 32-67 Configuring Switch D Switch D belongs to VPN 1. Configure the connection to Switch A by using these commands. Configuring Switch F Switch F belongs to VPN 2. Configure the connection to Switch A by u sing the se co mman ds. Configuring the PE Switch B Displaying Multi-VRF CE Status Configuring Protocol-Independent Features Configuring Cisco Express Forwarding Configuring the Number of Equal-Cost Routing Paths Configuring Static Unicast Routes Specifying Default Routes and Networks Using Route Maps to Redistribute Routing Information Page Page Configuring Policy-Based Routing PBR Configuration Guidelines Enabling PBR Filtering Routing Information Setting Passive Interfaces Controlling Advertising and Processing in Routing Updates Filtering Sources of Routing Information Managing Authentication Keys Monitoring and Maintaining the IP Network Page Configuring HSRP Understanding HSRP Page Multiple HSRP Configuring HSRP Default HSRP Configuration HSRP Configuration Guidelines Enabling HSRP Configuring HSRP Priority Page Page Configuring MHSRP Configuring HSRP Authentication and Timers Page Enabling HSRP Support for ICMP Redirect Messages Displaying HSRP Configurations Page Configuring IP Multicast Routing Understanding Ciscos Implementation of IP Multicast Routing Understanding IGMP IGMP Version 1 IGMP Version 2 Understanding PIM PIM Versions PIM Modes PIM DM PIM SM Auto-RP Bootstrap Router Multicast Forwarding and Reverse Path Check Page Configuring IP Multicast Routing Default Multicast Routing Configuration Multicast Routing Configuration Guidelines PIMv1 and PIMv2 Interoperability Auto-RP and BSR Configuration Guidelines Configuring Basic Multicast Routing Configuring a Rendezvous Point Manually Assigning an RP to Multicast Groups Configuring Auto-RP Setting up Auto-RP in a New Internetwork Adding Auto-RP to an Existing Sparse-Mode Cloud Preventing Join Messages to False RPs Filtering Incoming RP Announcement Messages Configuring PIMv2 BSR Defining the PIM Domain Border Defining the IP Multicast Boundary Configuring Candidate BSRs Configuring Candidate RPs Using Auto-RP and a BSR Monitoring the RP Mapping Information Troubleshooting PIMv1 and PIMv2 Interoperability Problems Configuring Advanced PIM Features Understanding PIM Shared Tree and Source Tree Page Delaying the Use of PIM Shortest-Path Tree Modifying the PIM Router-Query Message Interval Configuring Optional IGMP Features Default IGMP Configuration Configuring the Switch as a Member of a Group Controlling Access to IP Multicast Groups Changing the IGMP Version Modifying the IGMP Host-Query Message Interval Changing the IGMP Query Timeout for IGMPv2 Changing the Maximum Query Response Time for IGMPv2 Configuring the Switch as a Statically Connected Member Configuring Optional Multicast Routing Features Configuring sdr Listener Support Enabling sdr Listener Support Limiting How Long an sdr Cache Entry Exists Configuring an IP Multicast Boundary Page Monitoring and Maintaining IP Multicast Routing Clearing Caches, Tables, and Databases Displaying System and Network Statistics Monitoring IP Multicast Routing Page Configuring MSDP Understanding MSDP MSDP Operation MSDP Benefits Configuring MSDP Default MSDP Configuration Configuring a Default MSDP Peer Page Caching Source-Active State Page Requesting Source Information from an MSDP Peer Controlling Source Information that Your Switch Originates Redistributing Sources Page Filtering Source-Active Request Messages Controlling Source Information that Your Switch Forwards Using a Filter Page Using TTL to Limit the Multicast Data Sent in SA Messages Controlling Source Information that Your Switch Receives Page Configuring an MSDP Mesh Group Shutting Down an MSDP Peer Including a Bordering PIM Dense-Mode Region in MSDP Configuring an Originating Address other than the RP Address Monitoring and Maintaining MSDP Page Troubleshooting Recovering from Corrupted Software By Using the Xmodem Protocol Recovering from a Lost or Forgotten Password Page Procedure with Password Recovery Enabled Page Procedure with Password Recovery Disabled Preventing Autonegotiation Mismatches SFP Module Security and Identification Monitoring SFP Module Status Monitoring Temperature Using Ping Understanding Ping Using Ping All Software Versions Metro IP Access Image IP Routing and SVI IP Routing and Routed Port Ping Responses Summary Using Layer 2 Traceroute Understanding Layer 2 Traceroute Layer 2 Traceroute Usage Guidelines Displaying the Physical Path Using IP Traceroute Understanding IP Traceroute Executing IP Traceroute Using TDR Understanding TDR Running TDR and Displaying the Results Using Debug Commands Enabling Debugging on a Specific Feature Enabling All-System Diagnostics Redirecting Debug and Error Message Output Using the show platform forward Command 36-20 36-21 Using the crashinfo File A Supported MIBs MIB List Page Using FTP to Access the MIB Files Page B Working with the Cisco IOS File System, Configuration Files, and Software Images Working with the Flash File System Displaying Available File Systems Setting the Default File System Displaying Information about Files on a File System Changing Directories and Displaying the Working Directory Creating and Removing Directories Copying Files Deleting Files Creating, Displaying, and Extracting tar Files Creating a tar File Displaying the Contents of a tar File Extracting a tar File Displaying the Contents of a File Working with Configuration Files Guidelines for Creating and Using Configuration Files Configuration File Types and Location Creating a Configuration File By Using a Text Editor Copying Configuration Files By Using TFTP Preparing to Download or Upload a Configuration File By Using TFTP Downloading the Configuration File By Using TFTP Uploading the Configuration File By Using TFTP Copying Configuration Files By Using FTP Preparing to Download or Upload a Configuration File By Using FTP Downloading a Configuration File By Using FTP Uploading a Configuration File By Using FTP Copying Configuration Files By Using RCP Preparing to Download or Upload a Configuration File By Using RCP Downloading a Configuration File By Using RCP Uploading a Configuration File By Using RCP Clearing Configuration Information Clearing the Startup Configuration File Deleting a Stored Configuration File Working with Software Images Image Location on the Switch tar File Format of Images on a Server or Cisco.com Copying Image Files By Using TFTP Preparing to Download or Upload an Image File By Using TFTP Downloading an Image File By Using TFTP Page Uploading an Image File By Using TFTP Copying Image Files By Using FTP Preparing to Download or Upload an Image File By Using FTP Downloading an Image File By Using FTP Page Uploading an Image File By Using FTP Copying Image Files By Using RCP Preparing to Download or Upload an Image File By Using RCP Downloading an Image File By Using RCP Page Uploading an Image File By Using RCP Page C Unsupported Commands in Cisco IOS Release 12.2(25)EX Access Control Lists ARP Commands Unsupported Debug Commands HSRP IGMP Snooping Commands Interface Commands IP Multicast Routing IP Unicast Routing Unsupported Privileged EXEC or User EXEC Commands Page Unsupported BGP Router Configuration Commands Unsupported VPN Configuration Commands Unsupported Route Map Commands MAC Address Commands Miscellaneous Unsupported show platform Commands MSDP NetFlow Commands QoS RADIUS SNMP Spanning Tree VLAN INDEX A Page B C Page Page D Page Page E Page F G H I Page Page Page Page J K L M Page Page Page N O P Page Page Page Q R Page Page S Page Page Page Page T Page U V W X

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