Manual De UsuarioTabla de contenidosCisco IOS XR Routing Configuration Guide1Contents3Preface11Document Revision History11Obtaining Documentation12Cisco.com12Product Documentation DVD12Ordering Documentation12Documentation Feedback13Cisco Product Security Overview13Reporting Security Problems in Cisco Products13Obtaining Technical Assistance14Cisco Technical Support & Documentation Website14Submitting a Service Request15Definitions of Service Request Severity15Obtaining Additional Publications and Information15Implementing BGP on Cisco IOS XR Software17Contents17Prerequisites for Implementing BGP on CiscoIOSXR Software18Information About Implementing BGP on CiscoIOSXR Software18BGP Functional Overview18BGP Router Identifier19BGP Default Limits19BGP Validation of Local Next-Hop Addresses20BGP Configuration20No Default Address Family31Routing Policy Enforcement32Table Policy34Update Groups34BGP Best Path Algorithm34Multiprotocol BGP37Route Dampening39BGP Routing Domain Confederation40BGP Route Reflectors40Default Address Family for show Commands43How to Implement BGP on CiscoIOSXR Software43Enabling BGP Routing44Configuring a Routing Domain Confederation for BGP47Resetting eBGP Session Immediately Upon Link Failure49Logging Neighbor Changes50Adjusting BGP Timers50Changing the BGP Default Local Preference Value51Configuring the MED Metric for BGP52Configuring BGP Weights54Tuning the BGP Best Path Calculation55Indicating BGP Backdoor Routes57Configuring Aggregate Addresses59Redistributing iBGP Routes into IGP60Redistributing Prefixes into Multiprotocol BGP62Configuring BGP Route Dampening64Applying Policy When Updating the Routing Table68Setting BGP Administrative Distance69Configuring a BGP Neighbor Group71Configuring a BGP Neighbor74Configuring a Route Reflector for BGP76Configuring BGP Route Filtering by Route Policy78Disabling Next Hop Processing on BGP Updates80Configuring BGP Community and Extended-Community Filtering81Configuring Software to Store Updates from a Neighbor83Disabling a BGP Neighbor85Resetting Neighbors Using BGP Dynamic Inbound Soft Reset87Resetting Neighbors Using BGP Outbound Soft Reset87Resetting Neighbors Using BGP Hard Reset88Clearing Caches, Tables and Databases89Displaying System and Network Statistics89Monitoring BGP Update Groups91Configuration Examples for Implementing BGP on CiscoIOSXR Software92Enabling BGP: Example92Displaying BGP Update Groups: Example93BGP Neighbor Configuration: Example94BGP Confederation: Example94BGP Route Reflector: Example95Where to Go Next95Additional References96Related Documents96Standards96MIBs96RFCs96Technical Assistance97Implementing IS-IS on Cisco IOS XR Software99Contents99Prerequisites for Implementing IS-IS on CiscoIOSXR Software100Restrictions for Implementing IS-IS on CiscoIOSXR Software100Information About Implementing IS-IS on CiscoIOSXR Software100IS-IS Functional Overview101Key Features Supported in the CiscoIOSXR IS-IS Implementation101IS-IS Configuration Grouping101IS-IS Interfaces102Multitopology Configuration102IPv6 Routing and Configuring IPv6 Addressing102Limit LSP Flooding102Maximum LSP Lifetime and Refresh Interval103Overload Bit Configuration During Multitopology Operation103Single-Topology IPv6 Support103Multitopology IPv6 Support104Nonstop Forwarding104Multi-Instance IS-IS105Multiprotocol Label Switching Traffic Engineering105Overload Bit on Router105Default Routes106Attached Bit on an IS-IS Instance106Multicast-Intact Feature106How to Implement IS-IS on CiscoIOSXR Software107Enabling IS-IS and Configuring Level 1 or Level 2 Routing107Configuring Single Topology for IS-IS109Configuring Multitopology for IS-IS114Controlling LSP Flooding for IS-IS118Configuring Nonstop Forwarding for IS-IS122Configuring Authentication for IS-IS124Configuring MPLS Traffic Engineering for IS-IS126Tuning Adjacencies for IS-IS on Point-to-Point Interfaces129Setting SPF Interval for a Single-Topology IPv4 and IPv6 Configuration132Enabling Multicast-Intact for IS-IS134Customizing Routes for IS-IS135Configuration Examples for Implementing IS-IS on CiscoIOSXR Software138Configuring Single-Topology IS-IS for IPv6: Example138Configuring Multitopology IS-IS for IPv6: Example139Redistributing IS-IS Routes Between Multiple Instances: Example139Where to Go Next140Additional References140Related Documents140Standards140MIBs140RFCs141Technical Assistance141Implementing OSPF on Cisco IOS XR Software143Contents143Prerequisites for Implementing OSPF on CiscoIOSXR Software144Information About Implementing OSPF on CiscoIOSXR Software144OSPF Functional Overview145Key Features Supported in the CiscoIOSXR OSPF Implementation146Comparison of CiscoIOSXR OSPFv3 and OSPFv2147Importing Addresses into OSPFv3147OSPF Hierarchical CLI and CLI Inheritance147OSPF Routing Components148OSPF Process and Router ID150Supported OSPF Network Types151Route Authentication Methods for OSPF Version 2151Neighbors and Adjacency for OSPF152Designated Router (DR) for OSPF152Default Route for OSPF153Link-State Advertisement Types for OSPF Version 2153Link-State Advertisement Types for OSPFv3153Virtual Link and Transit Area for OSPF154Route Redistribution for OSPF155OSPF Shortest Path First Throttling155Nonstop Forwarding for OSPF Version 2156Load Balancing in OSPF Version 2 and OSPFv3157Graceful Restart for OSPFv3157Multicast-Intact Feature160How to Implement OSPF on CiscoIOSXR Software160Enabling OSPF161Configuring Stub and Not-so-Stubby Area Types163Configuring Neighbors for Nonbroadcast Networks166Configuring Authentication at Different Hierarchical Levels for OSPF Version 2171Controlling the Frequency that the Same LSA Is Originated or Accepted for OSPF174Creating a Virtual Link with MD5 Authentication to Area 0 for OSPF176Summarizing Subnetwork LSAs on an OSPF ABR180Redistributing Routes from One IGP into OSPF182Configuring OSPF Shortest Path First Throttling186Configuring Nonstop Forwarding for OSPF Version 2189Configuring OSPF Version 2 for MPLS Traffic Engineering191Verifying OSPF Configuration and Operation196Configuring OSPFv3 Graceful Restart197Enabling Multicast-Intact for OSPFv2202Configuration Examples for Implementing OSPF on CiscoIOSXR Software203CiscoIOSXR for OSPF Version 2 Configuration: Example204CLI Inheritance and Precedence for OSPF Version 2: Example205MPLS TE for OSPF Version 2: Example206ABR with Summarization for OSPFv3: Example206ABR Stub Area for OSPFv3: Example206ABR Totally Stub Area for OSPFv3: Example207Route Redistribution for OSPFv3: Example207Virtual Link Configured Through Area 1 for OSPFv3: Example207Virtual Link Configured with MD5 Authentication for OSPF Version 2: Example208Where to Go Next208Additional References209Related Documents209Standards209MIBs209RFCs209Technical Assistance210Implementing and Monitoring RIB on CiscoIOSXR Software211Contents211Prerequisites for Implementing RIB on CiscoIOSXR Software212Information About RIB Configuration212Overview of RIB212RIB Data Structures in BGP and Other Protocols212RIB Administrative Distance213RIB Support for IPv4 and IPv6213How to Deploy and Monitor RIB214Verifying RIB Configuration Using the Routing Table214Verifying Networking and Routing Problems214Configuration Examples for RIB Monitoring216Output of show route Command: Example216Output of show route backup Command: Example217Output of show route best-local Command: Example217Output of show route connected Command: Example217Output of show route local Command: Example217Output of show route longer-prefixes Command: Example218Output of show route next-hop Command: Example218Where to Go Next218Additional References219Related Documents219Standards219MIBs219RFCs220Technical Assistance220Implementing Routing Policy on Cisco IOS XR Software221Contents221Prerequisites for Implementing Routing Policy222Information About Implementing Routing Policy222Routing Policy Language222Routing Policy Configuration Basics229Policy Definitions229Parameterization230Semantics of Policy Application231Policy Statements235Attach Points239Attached Policy Modification251Nonattached Policy Modification251How to Implement Routing Policy253Defining a Route Policy253Attaching a Routing Policy to a BGP Neighbor254Modifying a Routing Policy Using the Microemacs Editor256Configuration Examples for Implementing Routing Policy257Routing Policy Definition: Example257Simple Inbound Policy: Example258Modular Inbound Policy: Example259Translating Cisco IOS Route Maps to Cisco IOS XR Routing Policy Language: Example260Additional References260Related Documents260Standards260MIBs261RFCs261Technical Assistance261Implementing Static Routes on Cisco IOS XR Software263Contents263Prerequisites for Implementing Static Routes on CiscoIOSXR Software264Information About Implementing Static Routes on CiscoIOSXR Software264Static Route Functional Overview264Default Administrative Distance264Directly Connected Routes265Recursive Static Routes265Fully Specified Static Routes266Floating Static Routes266How to Implement Static Routes on CiscoIOSXR Software266Configuring a Static Route266Configuring a Floating Static Route267Changing the Maximum Number of Allowable Static Routes269Configuration Examples271Configuring Traffic Discard: Example271Configuring a Fixed Default Route: Example271Configuring a Floating Static Route: Example271Where to Go Next271Additional References272Related Documents272Standards272MIBs272RFCs272Technical Assistance272Index273Tamaño: 3 MBPáginas: 282Language: EnglishManuales abiertas