Layer 3 Unicast Routing Configuration

This chapter describes the configuration steps of Layer 3 routing, including static routing, RIPv2, OSPFv2, VRRP, and ECMP.

• Layer 3 VLAN Interface Configuration
• ARP Configuration
  • Dynamic ARP Inspection (DAI)
  • Flushing ARP and the Neighbor Table
  • Configuring ARP
• Configuring IP Routing
• VRF Configuration Guide
  • Introduction to VRF
  • Configuration Notes of VRF
  • Configuring a User-defined VRF
  • Enabling Management VRF
  • Example for Configuring Basic VRF
• DHCP Configuration
  • Introduction to DHCP
  • Configuration Notes of DHCP
  • Configuring DHCP Server
  • Configuring DHCP Relay
  • Configuring DHCP Snooping
  • Typical Configuration Example for DHCP Relay and DHCP Snooping
  • RFC Lists
• Default Administrative Distance Values
• Static Routing Configuration
• Static Routing Configuration Example
• RIPv2 Routing Protocol Configuration
• RIPv2 Routing Configuration Example
• OSPF (Open Shortest Path First)
  • OSPF Overview
  • Basic OSPF Configuration Tasks
  • Basic OSPF Configuration Example
  • OSPFv3 Routing Protocol Configuration
  • OSPF Configuration Example: NSSA Stub Normal
  • OSPF Stub Area NSSA Summary
  • OSPF Virtual Link Configuration Guide
  • OSPF Area Range Configuration Guide
  • OSPF Route Import and Export
    • Overview
    • Configuring OSPF Route Import and Export
    • Example for Configuring OSPF Introducing Route by Using Export
    • Example for Configuring OSPF Import and Export
  • Example for Configuring OSPF with Different VRFs
• BFD Protocol Configuration
• BFD Basic Configuration Example
• ECMP (Equal-Cost Multipath Routing) Configuration
• Symmetric Hash for ECMP Configuration Example
• VRRP Configuration
  • Principle of VRRP
  • Configuration Notes of VRRP
  • Configuring Standard VRRP
  • Configuring Active-Active VRRP
  • VRRP Configuration Example
    • Example for Configuring Standard VRRPv3 for IPv4
    • Example for Configuring Active-Active VRRPv3 for IPv4
    • Example for Configuring Active-Active VRRPv3 for IPv6
• IPv6 Neighbor Configuration
• IPv6 Static Routing Configuration
• IPv4/IPv6 BGP Configuration
  • IPv4 BGP configuration
    • BGP Configuration Guide
    • BGP Basic Configuration Example
    • BGP Route Reflector Configuration Example
    • BGP Confederation Configuration Example
    • BGP Load Balancing Configuration Example
  • IPv6 BGP Configuration
    • IPv6 BGP Introduction
    • Building Peering Sessions
      • IBGP Peering
      • EBGP Peering
    • Establish BGP Peer Use 4-byte-AS-Number
    • Sources of Routing Updates
      • Injecting Information Statically into BGP
      • Injecting Information Dynamically into BGP
    • BGP Attributes
      • The NEXT_HOP Attribute
      • The AS_PATH Attribute
      • The LOCAL_PREF Attribute
      • The MULTI_EXIT_DISC Attribute
      • The COMMUNITY Attribute
    • BGP-4 Aggregation
    • Synchronization
    • Controlling Large-Scale Autonomous System
      • Route Reflectors
      • Confederations
    • Redundancy and Load Balancing
    • Designing Stable Internets
  • Label BGP
    • Labeled BGP Support
    • Configuration Example for Labeled Support
      • IPV6 Labeled-BGP Configuration
      • IPV4 Labeled BGP Configuration
    • Debugging CLI for Labeled-BGP
• IPv6 RA Guard Configuration
• VXLAN Routing
  • Cross-Subnet Packet Forwarding Process
  • Example for Configuring VXLAN for Different Subnets