Layer 3 Routing Configuration

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

• ARP Configuration
  • Flushing ARP and the Neighbor Table
  • Configuring ARP
  • Dynamic ARP Inspection (DAI)
• Configuring IP Routing
• Static Routing Configuration
  • Configuring Static Routes
  • Example for Configuring IPv4 Static Routes
• 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 (IPv4)
  • Configuring DHCP Relay (IPv4)
  • Example for Configuring DHCPv6 Relay
  • Example for Configuring DHCP Relay over GRE Tunnel
  • Configuring DHCP Snooping
  • Typical Configuration Example for DHCP Relay and DHCP Snooping
  • RFC Lists
• Default Administrative Distance Values
• OSPF (Open Shortest Path First)
  • OSPF Overview
  • Basic OSPF Configuration Tasks
  • Configuring OSPF Route Summarization
  • Basic OSPF Configuration Example
  • OSPF Area Type Configuration Example: NSSA, Stub and Standard Areas
  • OSPF Stub and NSSA Areas with no-summary
  • OSPF Area Range Configuration Guide
  • OSPF Route Redistribution and Route Maps
  • Example for Configuring OSPF with Different VRFs
  • OSPFv3 Configuration Guide
  • OSPF Multi-Instance Support
• 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
• IPv4/IPv6 BGP Configuration
  • BGP Introduction
  • BGP Regular Expressions
  • Basic BGP Configuration
  • Configuring BGP Security
  • Configuring a BGP Route Reflector
  • Configuring BGP Timers
  • Configuring BGP Route Aggregation
  • Configuring BGP Dynamic Neighbors
  • Configuring eBGP Multihop
  • Configuring Removing and Replacing Private ASNs from the AS Path
  • Configuring BGP Multipath
  • Configuring ebgp-requires-policy
  • Enable BGP Read-only Mode
  • Configuring Route Maps for Route Updates
  • BGP Unnumbered
    • Overview of BGP Unnumbered
    • Example for Configuring Basic BGP Unnumbered
    • Example for Configuring BGP Unnumbered EVPN Fabric
  • Configuring BGP Attribute
    • Configuring the AS_Path Attribute
    • Configuring the BGP Community Attribute
    • Configuring the MED Attribute
    • Configuring the Next_Hop Attribute
  • Configuration Examples
    • Example for Configuring Basic BGP Functions
    • Example for Configuring a BGP Route Reflector
    • Example for Configuring BGP Load Balancing
• Routing Map Configuration
  • Routing Map Introduction
  • Configuring Filters
    • Configuring a Community Filter
    • Configuring a Large Community Filter
    • Configuring an AS_Path Filter
    • Configuring an Extended Community Filter
    • Configuring an IP Prefix List
  • Configuring a Routing Map
  • Example for Filtering the Routes to Be Advertised and Receiving
• IPv6 Support
  • IPv6 Neighbor Discovery Configuration
  • PICOS L2/L3 Support for IPv6
  • Enable Path MTU Discovery
• VRF Route Leaking Configuration
  • BGP Route Leaking Configuration Example
  • Static Route Leaking Example
• Bidirectional Forwarding Detection (BFD)
  • Introduction of BFD
  • Configuring BFD
    • Configuring Static BFD
    • Configuring Dynamic BFD
  • Configuration Examples of BFD
    • Example for Configuring Single-Hop BFD
    • Example for Configuring Multi-Hop BFD
    • Example for Configuring BFD for BGP
    • Example for Configuring BFD for OSPF
    • Example for Configuring BFD for PIM-SM
  • RFC Lists for BFD
• RIP/RIPng Configuration
  • RIP/RIPng Overview
  • Enabling RIP/RIPng
  • Configuring RIP Version
  • Configuring RIP Route Redistribute
  • Configuring RIPv2 Authentication
  • Configuring RIP to Advertise Default Routes
  • Example for Configuring Basic RIP
  • Example for Configuring Basic RIPng
  • RFC Lists for RIP/RIPng
• Policy-Based Routing (PBR)
  • Overview of PBR
  • Configuring Policy-Based Routing
  • Example for Configuring Policy-Based Routing
• IP Source Guard (IPSG)