- About This Document
IP Routing
Static Route Configuration
- Overview of Static Routes
Understanding Static Routes
Application Scenarios for Static Routes
- Summary of Static Route Configuration Tasks
- Licensing Requirements and Limitations for Static Routes
- Default Settings for Static Routes
Configuring IPv4 Static Routes
- Creating IPv4 Static Routes
- (Optional) Setting the Default Preference for IPv4 Static Routes
- (Optional) Configuring Static Route Selection Based on Iteration Depth
- (Optional) Configuring Permanent Advertisement of IPv4 Static Routes
- (Optional) Preventing a Static Route from Being Selected If the BFD Session Associated with It Is in the AdminDown State
- (Optional) Preventing Static Routes from Being Iterated to a Black-Hole Route
- (Optional) Configuring IPv4 Static Route Filtering
- Verifying the IPv4 Static Route Configuration
- Configuring Static BFD for IPv4 Static Routes
- Associating IPv4 Static Routes with NQA
Configuring IPv6 Static Routes
Configuration Examples for Static Routes
FAQ About Static Routes
RIP Configuration
- Overview of RIP
Understanding RIP
- Summary of RIP Configuration Tasks
- Licensing Requirements and Limitations for RIP
- Default Settings for RIP
Configuring Basic RIP Functions
Configuring RIP-2
Preventing Routing Loops
Controlling RIP Routing
Controlling RIP Route Advertisement
Controlling Receiving of RIP Routing Information
Improving RIP Network Performance
Configuring BFD for RIP
- Configuring RIP GR
- Configuring the Network Management Function for RIP
Maintaining RIP
Configuration Examples for RIP
Troubleshooting RIP
RIPng Configuration
- Overview of RIPng
Understanding RIPng
- Summary of RIPng Configuration Tasks
- Licensing Requirements and Limitations for RIPng
- Default Settings for RIPng
Configuring Basic RIPng Functions
Preventing Routing Loops
Controlling RIPng Routing
Controlling RIPng Route Advertisement
- Controlling the Receiving of RIPng Routes
Improving RIPng Network Performance
- Clearing RIPng
Configuration Examples for RIPng
OSPF Configuration
- Overview of OSPF
Understanding OSPF
- OSPF Fundamentals
- OSPF Basics
- OSPF TE
- BFD for OSPF
- OSPF GTSM
- OSPF Smart-discover
- OSPF VPN
- OSPF NSSA
- OSPF Fast Convergence
- OSPF NSR
- Priority-based OSPF Convergence
- OSPF IP FRR
- OSPF-BGP Association
- OSPF Local MT
- OSPF GR
- OSPF-LDP Association
- OSPF Database Overflow
- OSPF Mesh-Group
- OSPF Neighbor Relationship Flapping Suppression
Application Scenarios for OSPF
- Summary of OSPF Configuration Tasks
- Licensing Requirements and Limitations for OSPF
- Default Settings for OSPF
Configuring Basic OSPF Functions
Setting Session Parameters for OSPF Neighbor Relationships
Configuring OSPF Attributes in Different Types of Networks
Configuring OSPF Stub Areas
- Configuring OSPF NSSA
Adjusting OSPF Route Selection
Controlling OSPF Routing Information
- Configuring OSPF to Import External Routes
- Configuring OSPF to Advertise the Default Route to the OSPF Area
- Configuring OSPF Route Aggregation
- Configuring OSPF to Filter the Received Routes
- Configuring OSPF to Filter the Routes to Be Advertised
- Configuring the router to Filter LSAs to Be Sent
- Configuring OSPF to Filter ABR Type3 LSA
- (Optional) Enabling the Mesh-Group Function
- Setting the Maximum Number of External LSAs in the LSDB
- Verifying the OSPF Routing Information Control Configuration
Configuring OSPF IP FRR
Configuring BFD for OSPF
Configuring OSPF Fast Convergence
- Setting the Convergence Priority of OSPF Routes
- Setting the Interval for Sending Hello Packets
- Setting the Dead Time of the Neighbor Relationship
- Configuring Smart-discover
- Setting the Interval for Updating LSAs
- Setting the Interval for Receiving LSAs
- Setting the Interval for the SPF Calculation
- Verifying the OSPF Fast Convergence Configuration
Configuring OSPF GR
Improving the Stability of an OSPF Network
Improving the Security of an OSPF Network
Configuring the Network Management Function of OSPF
- Configuring OSPF Neighbor Relationship Flapping Suppression
- Disabling Master/Slave Board Switching Triggered by Abnormal OSPF LSA Aging
Maintaining OSPF
Configuration Examples for OSPF
- Example for Configuring Basic OSPF Functions
- Example for Configuring OSPF Virtual Links
- Example for Configuring DR Election of OSPF
- Example for Configuring OSPF Stub Areas
- Example for Configuring an OSPF NSSA
- Example for Configuring OSPF IP FRR
- Example for Configuring BFD for OSPF
- Example for Configuring OSPF GTSM
Troubleshooting OSPF
FAQ About OSPF
- Which OSPF Interfaces Require Peers?
- How Do I Calculate the Cost of an IGP Route?
- Why Cannot Interfaces of Different Types Generate Equal-Cost Routes and Establish OSPF Load Balancing?
- How Can I Set the cost Value When OSPF Imports External Routes?
- What Are the Rules for Selecting Routes Belonging to Different OSPF Processes?
- Why the Number of Routes in the OSPF Routing Table of the OSPF VPN Multi-instance Is Less than the Predicted Number?
- How Much Time Will It Take for OSPF to Import External Routes?
OSPFv3 Configuration
- Overview of OSPFv3
Understanding OSPFv3
- Summary of OSPFv3 Configuration Tasks
- Licensing Requirements and Limitations for OSPFv3
- Default Settings for OSPFv3
Configuring Basic OSPFv3 Functions
Establishing or Maintaining OSPFv3 Neighbor Relationship
- Configuring the Interval for Sending Hello Packets
- Configuring Dead Time of Neighbor Relationship
- Configuring the Interval for Retransmitting LSAs to Neighboring routers
- Configuring the Delay for Transmitting LSAs on the Interface
- Verifying the OSPFv3 Neighbor Relationship Establishment or Maintenance Configuration
Configuring OSPFv3 Areas
Configuring OSPFv3 NSSAs
Configuring OSPFv3 Route Attributes
Controlling OSPFv3 Routing Information
Optimizing an OSPFv3 Network
- Configuring the SPF Timer
- Configuring a Route Calculation Delay to Suppress Frequent LSA Flapping
- Setting the Interval for Receiving LSAs
- Configuring an Intelligent Timer for Generating LSAs
- Suppressing an Interface from Sending and Receiving OSPFv3 Packets
- Configuring DR Priority of an Interface
- Configuring Stub Routers
- Ignoring MTU Check on DD Packets
- Verifying the OSPFv3 Network Optimization Configuration
Configuration OSPFv3 GR
Improving OSPFv3 Network Security
Configuring the Network Management Function of OSPFv3
- Configuring OSPFv3 Neighbor Relationship Flapping Suppression
Maintaining OSPFv3
Configuration Examples for OSPFv3
IPv4 IS-IS Configuration
- Overview of IS-IS
Understanding IS-IS
- Basic Concepts of IS-IS
- IS-IS Fundamentals
- IS-IS Authentication
- IS-IS Route Leaking
- IS-IS Overload
- IS-IS Network Convergence
- IS-IS Administrative Tag
- IS-IS Wide Metric
- IS-IS LSP Fragment Extension
- IS-IS Host Name Mapping
- IS-IS GR
- IS-IS NSR
- BFD for IS-IS
- IS-IS Auto FRR
- IS-IS Local MT
- IS-IS TE
- IS-IS Multi-Instance and Multi-Process
- IS-IS Neighbor Relationship Flapping Suppression
- Summary of IPv4 IS-IS Configuration Tasks
- Licensing Requirements and Limitations for IPv4 IS-IS
- Default Settings for IPv4 IS-IS
Configuring Basic IS-IS Functions
Improving IS-IS Network Security
Controlling IS-IS Route Selection
Controlling IS-IS Route Exchange
- Configuring IS-IS Route Summarization
Controlling IS-IS Route Convergence
- Configuring LSP Fragment Extension
- Configuring a Mesh Group on an NBMA Network
Configuring IS-IS Reliability
- Configuring the Overload Bit for an IS-IS Device
- Configuring IS-IS Neighbor Relationship Flapping Suppression
Maintaining IS-IS
Configuration Examples for IPv4 IS-IS
- Example for Configuring Basic IS-IS Functions
- Example for Configuring IS-IS Route Leaking
- Example for Configuring IS-IS Route Summarization
- Example for Configuring IS-IS DIS Election
- Example for Configuring IS-IS to Interact with BGP
- Example for Configuring IS-IS Fast Convergence
- Example for Configuring IS-IS Auto FRR (IP Protecting IP)
- Example for Configuring IS-IS Auto FRR (TE Protecting IP)
- Example for Configuring Static BFD for IS-IS
- Example for Configuring Dynamic BFD for IS-IS
Troubleshooting IS-IS
FAQ About IS-IS
IPv6 IS-IS Configuration
- Overview of IS-IS
Understanding IPv6 IS-IS
- Summary of IPv6 IS-IS Configuration Tasks
- Licensing Requirements and Limitations for IPv6 IS-IS
- Default Settings for IPv6 IS-IS
Configuring Basic IPv6 IS-IS Functions
Improving IPv6 IS-IS Network Security
Controlling IPv6 IS-IS Route Selection
- Configuring a Preference Value for IPv6 IS-IS
- Configuring the Cost of an IS-IS Interface on IPv6 network
- Configuring Principles for Using Equal-Cost IPv6 IS-IS Routes
- Configuring IS-IS IPv6 Route Leaking
- Controlling Whether a Level-1 Device Generates a IPv6 Default Route
- Verifying the IPv6 IS-IS Route Selection Control Configuration
Controlling IPv6 IS-IS Route Exchange
- Configuring IPv6 IS-IS Route Summarization
Controlling IPv6 IS-IS Route Convergence
- Configuring LSP Fragment Extension
- Configuring a Mesh Group on an NBMA Network
- Configuring the Overload Bit for an IS-IS Device
Maintaining IS-IS
Configuration Examples for IPv6 IS-IS
BGP Configuration
- Overview of BGP
Understanding BGP
- Basic Concepts of BGP
- BGP Fundamentals
- Interaction Between BGP and an IGP
- BGP Security
- BGP Route Selection Rules and Load Balancing
- Route Reflector
- BGP Confederation
- Route Summarization
- Route Dampening
- BFD for BGP
- BGP Tracking
- BGP GR and NSR
- BGP ORF
- Dynamic Update Peer-Groups
- MP-BGP
- BGP 6PE
- 6PE Routes Sharing the Explicit Null Label
- Summary of BGP Configuration Tasks
- Licensing Requirements and Limitations for BGP
- Default Settings for BGP
Configuring Basic BGP Functions
Configuring BGP Security
Simplifying IBGP Network Connections
Configuring BGP Route Selection and Load Balancing
- Configuring the BGP Priority
- Configuring the Next_Hop Attribute
- Configuring the PrefVal Attribute
- Configuring the Default Local_Pref Attribute
- Configuring the AS_Path Attribute
- Configuring the MED Attribute
- Configuring BGP to Ignore the Metric Value of the Next-Hop IGP Route When Selecting the Optimal Route
- Configuring the BGP Community Attribute
- Configuring BGP Load Balancing
- Verifying the BGP Route Selection and Load Balancing Configuration
Controlling the Receiving and Advertisement of BGP Routes
Adjusting the BGP Network Convergence Speed
Configuring BGP Reliability
- Configuring BGP Route Summarization
- Configuring On-demand Route Advertisement
- Configuring BGP to Advertise Default Routes to Peers
- Configuring Path MTU Auto Discovery
- Configuring MP-BGP
- Configuring the Dynamic BGP Peer Function
Maintaining BGP
Configuration Examples for BGP
- Example for Configuring Basic BGP Functions
- Example for Configuring Basic BGP4+ Functions
- Example for Configuring Basic MBGP Functions
- Example for Configuring BGP to Interact with an IGP
- Example for Configuring AS_Path Filters
- Example for Configuring MED Attributes to Control BGP Route Selection
- Example for Configuring a BGP Route Reflector
- Example for Configuring a BGP4+ Route Reflection
- Example for Configuring a BGP Confederation
- Example for Configuring the BGP Community Attribute
- Example for Configuring Prefix-based BGP ORF
- Example for Configuring BGP Load Balancing
- Example for Associating BGP with BFD
- Example for Configuring BGP GTSM
FAQ About BGP
- Why Are Loopback Addresses Used to Establish BGP Peer Relationships?
- Why Is the BGP Connection Not Interrupted Immediately After the Interfaces Connecting Two Peers Are Shut Down?
- Why Are All the Next Hop Addresses in the BGP Routing Table Displayed as 0.0.0.0 After BGP Imports Routes from Other Protocols?
Routing Policy Configuration
- Overview of Routing Policies
- Understanding Routing Policies
- Application Scenarios for Routing Policies
- Summary of Routing Policy Configuration Tasks
- Licensing Requirements and Limitations for Routing Policies
Configuring Filters
Configuring a Routing Policy
- Controlling the Valid Time of Routing Policies
- Maintaining Routing Policies
Configuration Examples for Routing Policies
IP Routing Table Management
PBR Configuration