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RUCKUS FastIron Layer 3 Routing Configuration Guide, 09.0.10 53-1005722-17

  • 1 Vistance Legal Statements
  • Preface Ruckus
    • 3 Contact Information, Resources, and Conventions
      • 3.1 Contacting RUCKUS Customer Services and Support
      • 3.2 Document Feedback
      • 3.3 RUCKUS Product Documentation Resources
      • 3.4 Online Training Resources
      • 3.5 Document Conventions
      • 3.6 Command Syntax Conventions
  • 4 About This Document
    • 4.1 New in This Document
    • 4.2 Supported Hardware
  • ARP
    • 5 Address Resolution Protocol
      • 5.1 ARP Parameter Configuration
        • 5.1.1 How ARP Works
        • 5.1.2 Rate limiting ARP Packets
        • 5.1.3 ARP Aging
        • 5.1.4 Configuring Global ARP Aging
        • 5.1.5 Configuring the ARP Aging on a Specific Interface
        • 5.1.6 Changing the Maximum Number of ARP Table Entries
        • 5.1.7 Enabling Proxy ARP Globally
        • 5.1.8 Enabling Proxy ARP on an Interface
        • 5.1.9 Disabling Proxy ARP on an Interface
        • 5.1.10 Static ARP
        • 5.1.11 Creating Static ARP Entries
        • 5.1.12 Changing the Maximum Number of Static ARP Table Entries
        • 5.1.13 Enabling Learning Gratuitous ARP
        • 5.1.14 Disabling Next Hop or ARP Port Movement Syslog Message Generation
        • 5.1.15 ARP Packet Validation
        • 5.1.16 Ingress ARP Packet Priority
          • 5.1.16.1 Configuring the Priority of Ingress ARP Packets
      • 5.2 Displaying the ARP Table
      • 5.3 Reverse Address Resolution Protocol Configuration
        • 5.3.1 How RARP Differs from BootP and DHCP
        • 5.3.2 Disabling RARP
        • 5.3.3 Creating Static RARP Entries
        • 5.3.4 Changing the Maximum Number of Static RARP Entries Supported
      • 5.4 Dynamic ARP Inspection Overview
        • 5.4.1 ARP Poisoning
        • 5.4.2 How Dynamic ARP Inspection Works
          • 5.4.2.1 ARP and DHCP Snoop Entries
        • 5.4.3 Configuration Notes and Feature Limitations for DAI
        • 5.4.4 Configuring Dynamic ARP Inspection
          • 5.4.4.1 Configuring an Inspection ARP Entry
          • 5.4.4.2 Enabling DAI on a VLAN
          • 5.4.4.3 Enabling ARP Inspection Trust on a Port
          • 5.4.4.4 Disabling Syslog Messages for DAI
        • 5.4.5 Multi-VRF Support for DAI
          • 5.4.5.1 Enabling ARP Inspection Trust on a Port for a Nondefault VRF
        • 5.4.6 Displaying ARP Inspection Status and Ports
  • 6 IP Addressing
    • 6.1 IP Addressing Overview
      • 6.1.1 IP interfaces
      • 6.1.2 IP Route Table
      • 6.1.3 ACLs and IP Access Policies to Filter IP Traffic
      • 6.1.4 IP Packet Flow Through a Layer 3 Device
        • 6.1.4.1 IP forwarding cache
        • 6.1.4.2 Layer 4 Session Table
      • 6.1.5 Encapsulation Type and MTU Packet Parameters
    • 6.2 Basic IP Configuration
    • 6.3 Assigning an IP address to a loopback interface
    • 6.4 Assigning an IPv4 Address to an Ethernet Port
    • 6.5 Assigning an IP Address to a Virtual Ethernet Interface
    • 6.6 Domain Name System
      • 6.6.1 Configuring DNS
    • 6.7 ICMP
      • 6.7.1 Disabling ICMP Messages
      • 6.7.2 Enabling ICMP Redirect Messages
    • 6.8 ICMP Router Discovery Protocol Configuration
      • 6.8.1 Enabling IRDP
    • 6.9 Configuring IP Follow on a Virtual Routing Interface
    • 6.10 IP Address Replacement
      • 6.10.1 Replacing an IP Address
    • 6.11 Changing Packet Encapsulation Type and MTU
    • 6.12 IPv4 Point-to-Point GRE Tunnels
      • 6.12.1 GRE Tunnel Parameters
      • 6.12.2 Path MTU Discovery Support
      • 6.12.3 Support for IPv4 Multicast Routing Over GRE Tunnels
      • 6.12.4 Configuring IP GRE Tunnels
      • 6.12.5 Configuring Optional IP GRE Tunnel Parameters
      • 6.12.6 Configuring Path MTU Discovery on a GRE Tunnel
      • 6.12.7 Enabling IPv4 Multicast Routing Over a GRE Tunnel
      • 6.12.8 Assigning a VRF routing instance to a GRE tunnel interface
      • 6.12.9 Deleting an IP address from an interface configured as a tunnel source
      • 6.12.10 Example Point-to-Point GRE Tunnel Configuration
        • 6.12.10.1 Configuring Point-to-Point GRE Tunnel for Router A
        • 6.12.10.2 Configuring Point-to-Point GRE Tunnel for Router B
      • 6.12.11 Displaying GRE Tunneling Information
      • 6.12.12 Clearing GRE statistics
    • 6.13 Bandwidth for IP Interfaces
      • 6.13.1 OSPF Cost Calculation with Interface Bandwidth
      • 6.13.2 Setting the Bandwidth Value for an Ethernet Interface
      • 6.13.3 Setting the Bandwidth Value for a VE Interface
      • 6.13.4 Setting the bandwidth value for a tunnel interface
    • 6.14 User-configurable MAC address per IP interface
      • 6.14.1 Manually Configuring an IP MAC Address
    • 6.15 Modifying and Displaying Layer 3 System Parameter Limits
    • 6.16 Changing the Router ID
    • 6.17 Configuring IP Forwarding Parameters
    • 6.18 Configuring a Default Network Route
    • 6.19 IP Load Sharing
      • 6.19.1 Changing the Number of Load Sharing (ECMP) Paths for IPv4
    • 6.20 Configuring IPv4 Option Type Filters
    • 6.21 31-Bit Subnet Masks on Point-to-Point Networks
      • 6.21.1 Assigning a 31-Bit Subnet Mask to an IPv4 Address
      • 6.21.2 Configuration Example for 31-Bit Subnet Mask Configuration
    • 6.22 UDP broadcast and IP helper
      • 6.22.1 Enabling UDP Application Forwarding
      • 6.22.2 Configuring an IP helper address
    • 6.23 Enabling or Disabling Layer 2 Switching
    • 6.24 Configuring Delay Time for Notifying VE Down Event
      • 6.24.1 Configuring VE down time notification
    • 6.25 Specifying a Single Source Interface for Specified Packet Types
    • 6.26 Displaying IP Configuration Information
    • 6.28 Clearing IP routes
    • 6.29 Displaying IP Traffic Statistics
  • 7 IPv6 Addressing
    • 7.1 IPv6 Addressing Overview
      • 7.1.1 IPv6 Address Types
      • 7.1.2 IPv6 Stateless Auto-Configuration
    • 7.2 Full Layer 3 IPv6 Feature Support
    • 7.3 IPv6 CLI Command Support
    • 7.4 IPv6 Host Address on a Layer 2 Switch
      • 7.4.1 Configuring a Global or Site-Local IPv6 Address with a Manually Configured Interface ID
      • 7.4.2 Configuring a link-local IPv6 address as a system-wide address for a switch
    • 7.5 Configuring the management port for an IPv6 automatic address configuration
    • 7.6 Configuring Basic IPv6 Connectivity on a Layer 3 Switch
      • 7.6.1 Enabling IPv6 routing
      • 7.6.2 IPv6 Configuration on Each Router Interface
        • 7.6.2.1 Configuring a Global or Site-Local IPv6 Address on an Interface
        • 7.6.2.2 Enabling IPv6 on an Interface
        • 7.6.2.3 Configuring a link-local IPv6 address on an Interface
        • 7.6.2.4 Configuring an IPv6 anycast address on an interface
      • 7.6.3 Dual Stacking for IPv4 and IPv6
    • 7.7 IPv6 Over IPv4 Tunnels
      • 7.7.1 IPv6 over IPv4 tunnel configuration notes
      • 7.7.2 Configuring a Manual IPv6 Over IPv4 Tunnel
      • 7.7.3 Clearing IPv6 Tunnel Statistics
      • 7.7.4 Displaying IPv6 tunnel information
    • 7.8 IPv6 Management
      • 7.8.1 Configuring IPv6 Management ACLs
      • 7.8.2 Restricting SNMP access to an IPv6 node
      • 7.8.3 Specifying an IPv6 SNMP trap receiver
      • 7.8.4 Configuring SNMP V3 Over IPv6
      • 7.8.5 Secure Shell, SCP, and IPv6
      • 7.8.6 IPv6 Telnet
        • 7.8.6.1 Establishing a Telnet Session from an IPv6 Host
      • 7.8.7 IPv6 traceroute
      • 7.8.8 IPv6 Web Management Using HTTP and HTTPS
      • 7.8.9 Restricting Web Management Access
      • 7.8.10 Configuring Name-to-IPv6 Address Resolution Using IPv6 DNS Resolver
      • 7.8.11 Defining an IPv6 DNS Entry
      • 7.8.12 Pinging an IPv6 address
      • 7.8.13 Configuring an IPv6 Syslog Server
      • 7.8.14 Viewing IPv6 SNMP server addresses
      • 7.8.15 Disabling router advertisement and solicitation messages
      • 7.8.16 Disabling IPv6 on a Layer 2 Switch
    • 7.9 IPv6 ICMP Feature Configuration
      • 7.9.1 Enabling IPv6 ICMP Redirects and Configuring ICMP Rate-Limiting
    • 7.10 IPv6 Neighbor Discovery Configuration
      • 7.10.1 IPv6 Neighbor Discovery Configuration Notes
      • 7.10.2 Neighbor Solicitation and Advertisement Messages
      • 7.10.3 Router advertisement and solicitation messages
      • 7.10.4 Neighbor redirect messages
      • 7.10.5 Duplicate Address Detection (DAD)
      • 7.10.6 IPv6 router advertisement parameters
      • 7.10.7 Prefixes Advertised in IPv6 Router Advertisement Messages
      • 7.10.8 Domain Name System Search List
        • 7.10.8.1 Configuring DNSSL
      • 7.10.9 Recursive DNS server addresses
        • 7.10.9.1 Configuring recursive DNS server addresses
      • 7.10.10 IPv6 address advertisement suppression
        • 7.10.10.1 Suppressing the advertisement of all configured IPv6 addresses
        • 7.10.10.2 Suppressing the advertisement of selected IPv6 addresses
      • 7.10.11 Flags in IPv6 Router Advertisement Messages
      • 7.10.12 Enabling and disabling IPv6 router advertisements
      • 7.10.13 IPv6 router advertisement preference support
        • 7.10.13.1 Configuring IPv6 RA Preference
      • 7.10.14 Configuring the Stale State Timeout for IPv6 Neighbors
      • 7.10.15 Configuring the Maximum Number of IPv6 Cache Entries
      • 7.10.16 Configuring the Maximum Number of IPv6 Neighbors
      • 7.10.17 Reachable time for remote IPv6 nodes
    • 7.11 IPv6 Neighbor Discovery Proxy
      • 7.11.1 IPv6 ND Proxy
      • 7.11.2 Local ND Proxy
      • 7.11.3 Configuring IPv6 ND Proxy Globally
      • 7.11.4 Configuring Local ND Proxy on an interface
      • 7.11.5 Disabling IPv6 ND Proxy
    • 7.12 IPv6 Neighbor Discovery Inspection
      • 7.12.1 Configuring Neighbor Discovery Inspection
      • 7.12.2 Configuring Neighbor Discovery Inspection on Multiple VLANs
      • 7.12.3 Syslog message for ND Inspection
    • 7.13 IPv6 MTU
      • 7.13.1 Configuration Notes and Feature Limitations for IPv6 MTU
      • 7.13.2 Changing the IPv6 MTU
    • 7.14 Configuring IPv6 Extension Header Option Type Filters
    • 7.15 127-Bit Subnet Masks on Point-to-Point Networks
      • 7.15.1 Assigning a 127-bit subnet mask to an IPv6 address
    • 7.16 Static Neighbor Entries Configuration
    • 7.17 Limiting the number of hops an IPv6 packet can traverse
    • 7.18 IPv6 source routing security enhancements
    • 7.19 TCAM Space Configuration
      • 7.19.1 Allocating TCAM Space
    • 7.20 Displaying IPv6 Global Information
    • 7.21 Displaying the IPv6 Local Router Information
    • 7.22 Clearing Global IPv6 Information
  • 8 IPv4 Static Routing
    • 8.1 Overview of Static Routing
      • 8.1.1 Static Route States Follow Port States
    • 8.2 Configuring a basic IP static route
    • 8.3 Adding Metrics to a Static Route
    • 8.4 Naming an IP static route
    • 8.5 Removing a name or a static route
    • 8.6 Configuring a physical interface as next hop
    • 8.7 Configuring a virtual interface as next hop
    • 8.8 Configuring a tunnel as next hop
    • 8.9 Configuring a static route for use with a route map
    • 8.10 Configuring a Null Route
    • 8.11 Configuring a default static route
    • 8.12 Resolving a Static Route Using Other Static Routes
    • 8.13 Resolving the Next Hop Through a Protocol
    • 8.14 Creating an IP Static Route in a Non-Default VRF
    • 8.15 Inter-VRF Route Leaking Using Static Routes
    • 8.17 Configuring Load Sharing and Redundancy
    • 8.18 Determining maximum static routes
    • 8.19 Displaying IPv4 static routes
  • 9 IPv6 Static Routing
    • 9.1 Overview of Static Routing
      • 9.1.1 Static Route States Follow Port States
    • 9.2 Configuring a basic IPv6 static route
    • 9.3 Removing an IPv6 Static Route
    • 9.4 Configuring an Interface as Next Hop
    • 9.5 Configuring a virtual interface as next hop
    • 9.6 Configuring a tunnel as next hop
    • 9.7 Configuring a VRF as next hop for an IPv6 static route
    • 9.8 Adding Metrics to an IPv6 Static Route
    • 9.9 Configuring a Null Route
    • 9.10 Configuring a Default Static Route
    • 9.11 Resolving a Static Route Using Other Static Routes
    • 9.12 Resolving the IPv6 static route through a protocol
    • 9.13 Configuring Load Sharing and Redundancy
    • 9.14 Adding an IPv6 Static Route Tag for Use with Route Maps
    • 9.15 IPv6 multicast static routes
    • 9.16 Configuring IPv6 Multicast Routes in a Non-Default VRF
    • 9.17 Displaying information on IPv6 static routes
  • 10 RIP
    • 10.1 RIP Overview
      • 10.1.1 Overview of RIP Route Learning and Advertising Parameters
      • 10.1.2 Redistribution of Routes into RIP
        • 10.1.2.1 Using Prefix Lists and Route Maps to Filter RIP Routes
    • 10.2 Enabling RIP and Configuring Global Parameters
    • 10.3 Configuring RIP interfaces
    • 10.4 Displaying RIP Information
  • 11 RIPng
    • 11.1 RIPng Overview
    • 11.2 RIPng Configuration Overview
    • 11.3 Enabling RIPng and Configuring Global Parameters
    • 11.4 Enabling and configuring RIPng interfaces
    • 11.5 Clearing RIPng Routes from the IPv6 Route Table
    • 11.6 Displaying RIPng information
  • 12 OSPFv2
    • 12.1 OSPFv2 Overview
    • 12.2 Autonomous System
    • 12.3 OSPFv2 Components and Roles
    • 12.4 Reduction of Equivalent AS External LSAs
    • 12.5 Algorithm for AS External LSA Reduction
    • 12.6 Maximum limit overload processing
    • 12.7 Enabling OSPFv2
    • 12.8 Backbone area
    • 12.9 Assigning OSPFv2 areas
    • 12.10 Area range
      • 12.10.1 Assigning an area range
    • 12.11 Area Types
    • 12.12 Stub area and totally stubby area
      • 12.12.1 Disabling summary LSAs for a stub area
    • 12.13 Not-So-Stubby Area (NSSA)
      • 12.13.1 Configuring an NSSA
      • 12.13.2 Configuring a Summary Address for the NSSA
    • 12.14 Assigning Interfaces to an Area
    • 12.15 Link State Advertisements
    • 12.16 Configuring the Maximum Number of LSAs in the LSDB
    • 12.17 Checking the LSDB Overflow State
    • 12.18 Virtual Links
      • 12.18.1 Configuring virtual links
    • 12.19 Default Route Origination
    • 12.20 External route summarization
    • 12.21 SPF timers
    • 12.22 Modifying Shortest Path First timers
    • 12.23 OSPFv2 administrative distance
    • 12.24 OSPFv2 LSA refreshes
      • 12.24.1 Configuring the OSPFv2 LSA pacing interval
    • 12.25 Disabling the Opaque LSA Capability
    • 12.26 Support for OSPF RFC 2328 Appendix E
    • 12.27 OSPFv2 Graceful Restart
      • 12.27.1 Disabling OSPFv2 Graceful Restart
      • 12.27.2 Re-enabling OSPFv2 Graceful Restart
      • 12.27.3 Disabling OSPFv2 graceful restart helper
    • 12.28 OSPFv2 stub router advertisement
    • 12.29 OSPFv2 Shortest Path First throttling
    • 12.30 IETF RFC and Internet Draft Support
    • 12.31 OSPFv2 non-stop routing
      • 12.31.1 Limitations of NSR
      • 12.31.2 Enabling OSPFv2 NSR
    • 12.32 Synchronization of critical OSPFv2 elements
      • 12.32.1 Link state database synchronization
      • 12.32.2 LSA delayed acknowledging
      • 12.32.3 LSA syncing and packing
      • 12.32.4 Neighbor device synchronization
      • 12.32.5 Synchronization limitations
      • 12.32.6 Interface synchronization
    • 12.33 Standby Module Operations
    • 12.34 OSPFv2 distribute list
      • 12.34.1 Configuring an OSPFv2 Distribution List Using ACLs
      • 12.34.2 Configuring an OSPFv2 Distribution List Using Route Maps
    • 12.35 OSPFv2 Route Redistribution
    • 12.36 Redistributing routes into OSPFv2
    • 12.37 Load Sharing
    • 12.38 Interface types to which the reference bandwidth does not apply
    • 12.39 Changing the Reference Bandwidth for the Cost on OSPFv2 Interfaces
    • 12.40 OSPFv2 over VRF
      • 12.40.1 Enabling OSPFv2 in a non-default VRF
    • 12.41 Configuring the OSPFv2 Max-Metric Router LSA
    • 12.42 Re-enabling OSPFv2 compatibility with RFC 1583
    • 12.43 OSPFv2 Authentication
      • 12.43.1 OSPFv2 Keychain Authentication
      • 12.43.2 OSPFv2 authentication configuration
        • 12.43.2.1 Configuring plain text authentication on an OSPFv2 interface
        • 12.43.2.2 Configuring Plain Text Authentication on an OSPFv2 Virtual Link
        • 12.43.2.3 Configuring MD5 authentication on an OSPFv2 interface
        • 12.43.2.4 Configuring MD5 Authentication on an OSPFv2 Virtual Link
        • 12.43.2.5 Configuring HMAC-SHA-1 or HMAC-SHA-256 authentication on an OSPFv2 interface
        • 12.43.2.6 Configuring HMAC-SHA-1 or HMAC-SHA-256 on an OSPFv2 Virtual Link
        • 12.43.2.7 Configuring keychain authentication on an OSPFv2 interface
        • 12.43.2.8 Configuring Keychain Authentication on an OSPFv2 Virtual Link
        • 12.43.2.9 Configuring authentication key activation wait time on an OSPFv2 interface
        • 12.43.2.10 Configuring Authentication Key Activation Wait Time on an OSPFv2 Virtual Link
        • 12.43.2.11 Displaying OSPFv2 Results
    • 12.44 Changing Default Settings
    • 12.45 Disabling and re-enabling OSPFv2 event logging
    • 12.46 Understanding the effects of disabling OSPFv2
      • 12.46.1 Disabling OSPFv2
  • 13 OSPFv3
    • 13.1 OSPFv3 Overview
    • 13.2 Configuring the router ID
    • 13.3 Enabling OSPFv3
    • 13.4 Configuring OSPFv3
    • 13.5 OSPFv3 areas
      • 13.5.1 Backbone area
      • 13.5.2 Area range
      • 13.5.3 Area types
      • 13.5.4 Assigning OSPFv3 areas
      • 13.5.5 Assigning OSPFv3 areas to interfaces
      • 13.5.6 Stub area and totally stubby area
      • 13.5.7 Configuring a stub area
      • 13.5.8 Not-so-stubby area
      • 13.5.9 Configuring an NSSA
      • 13.5.10 LSA types for OSPFv3
    • 13.6 Virtual Links
      • 13.6.1 Virtual link source address assignment
      • 13.6.2 Configuring virtual links
    • 13.7 OSPFv3 route redistribution
      • 13.7.1 Redistributing routes into OSPFv3
    • 13.8 Default route origination
      • 13.8.1 Configuring default external routes
    • 13.9 Disabling and re-enabling OSPFv3 event logging
    • 13.10 Filtering OSPFv3 Routes
      • 13.10.1 Configuring an OSPFv3 Distribution List Using an IPv6 Prefix List as Input
      • 13.10.2 Configuring an OSPFv3 distribution list using a route map as input
    • 13.11 SPF timers
      • 13.11.1 Modifying SPF timers
    • 13.12 OSPFv3 administrative distance
      • 13.12.1 Configuring administrative distance based on route type
    • 13.13 Changing the reference bandwidth for the cost on OSPFv3 interfaces
    • 13.14 OSPFv3 LSA refreshes
      • 13.14.1 Configuring the OSPFv3 LSA pacing interval
    • 13.15 External route summarization
    • 13.16 OSPFv3 over VRF
      • 13.16.1 Enabling OSPFv3 in a non-default VRF
      • 13.16.2 Assigning OSPFv3 areas in a non-default VRF
    • 13.17 Setting all OSPFv3 interfaces to the passive state
    • 13.18 OSPFv3 Graceful Restart Helper
      • 13.18.1 Disabling OSPFv3 Graceful Restart Helper
      • 13.18.2 Re-enabling OSPFv3 graceful restart helper
    • 13.19 OSPFv3 non-stop routing
      • 13.19.1 Enabling OSPFv3 NSR
    • 13.20 Configuring the Maximum Number of LSAs in the LSDB for OSPFv3
    • 13.21 Checking the LSDB Overflow State for OSPFv3
    • 13.22 OSPFv3 Authentication
      • 13.22.1 OSPFv3 Authentication Trailer
        • 13.22.1.1 OSPFv3 Keychain Authentication
        • 13.22.1.2 OSPFv3 Authentication Trailer Configuration
          • 13.22.1.2.1 Configuring HMAC-SHA-1 or HMAC-SHA-256 Authentication on an OSPFv3 Interface
          • 13.22.1.2.2 Configuring HMAC-SHA-1 or HMAC-SHA-256 Authentication on an OSPFv3 Virtual Link
          • 13.22.1.2.3 Configuring HMAC-SHA-1 or HMAC-SHA-256 Authentication on an OSPFv3 Area
          • 13.22.1.2.4 Configuring keychain authentication on an OSPFv3 interface
          • 13.22.1.2.5 Configuring keychain authentication on an OSPFv3 virtual link
          • 13.22.1.2.6 Configuring Keychain Authentication on an OSPFv3 Area
          • 13.22.1.2.7 Configuring authentication key activation wait time on an OSPFv3 interface
          • 13.22.1.2.8 Configuring Authentication Key Activation Wait Time on an OSPFv3 Virtual Link
          • 13.22.1.2.9 Configuring RFC 6506 Authentication on an OSPFv3 Interface
          • 13.22.1.2.10 Configuring RFC 6506 Authentication on an OSPFv3 Virtual Link
          • 13.22.1.2.11 Displaying OSPFv3 Results
      • 13.22.2 IPsec for OSPFv3
        • 13.22.2.1 IPsec for OSPFv3 configuration
        • 13.22.2.2 IPsec for OSPFv3 Considerations
        • 13.22.2.3 Configuring IPsec on an OSPFv3 area
        • 13.22.2.4 Configuring IPsec on an OSPFv3 interface
        • 13.22.2.5 Configuring IPsec on OSPFv3 Virtual Links
        • 13.22.2.6 Specifying the key rollover timer
        • 13.22.2.7 Clearing IPsec Statistics
    • 13.23 Displaying OSPFv3 Results
  • 14 BGP4
    • 14.1 BGP4 Overview
    • 14.2 BGP4 Peering
    • 14.3 BGP4 Message Types
    • 14.4 BGP4 attributes
    • 14.5 BGP4 Best Path Selection Algorithm
    • 14.6 Implementation of BGP4
    • 14.7 Device ID
    • 14.8 BGP global mode
    • 14.9 Configuring a local AS number
    • 14.10 Neighbor configuration
      • 14.10.1 Configuring BGP4 neighbors
    • 14.11 Peer Groups
      • 14.11.1 Configuring BGP4 peer groups
    • 14.12 Advertising the default BGP4 route
    • 14.13 Four-byte AS numbers
    • 14.14 Cooperative BGP4 route filtering
    • 14.15 BGP4 Parameters
    • 14.16 Route Redistribution
      • 14.16.1 Redistributing routes into BGP4
    • 14.17 Advertised Networks
    • 14.18 Importing routes into BGP4
    • 14.19 Route reflection
      • 14.19.1 Configuring a cluster ID for a route reflector
      • 14.19.2 Configuring a route reflector client
    • 14.20 Route flap dampening
    • 14.21 Aggregating routes advertised to BGP neighbors
    • 14.22 Advertising the default BGP4 route
    • 14.23 Advertising the default BGP4 route to a specific neighbor
    • 14.24 Multipath load sharing
    • 14.25 Specifying the Weight Added to Received Routes
    • 14.26 Using the IPv4 Default Route as a Valid Next Hop for a BGP4 Route
    • 14.27 Adjusting defaults to improve routing performance
    • 14.28 Next-hop recursion
      • 14.28.1 Enabling next-hop recursion
    • 14.29 Route Filtering
    • 14.30 BGP Regular Expression Pattern-Matching Characters
    • 14.31 Timers
    • 14.32 BGP4 outbound route filtering
      • 14.32.1 Configuring BGP4 outbound route filtering
      • 14.32.2 Enabling BGP4 Cooperative Route Filtering
    • 14.33 BGP4 Confederations
      • 14.33.1 Configuring BGP4 confederations
    • 14.34 BGP community and extended community
    • 14.35 BGP4 graceful restart
      • 14.35.1 Disabling BGP4 Graceful Restart
      • 14.35.2 Re-enabling BGP4 graceful restart in bgp global configuration mode
    • 14.36 Generalized TTL Security Mechanism support
      • 14.36.1 Configuring GTSM for BGP4
    • 14.37 Disabling the BGP AS_PATH Check Function
    • 14.38 Matching on a destination network
    • 14.39 Matching on a Next-Hop Device
    • 14.40 Route Map Continue Statement for BGP4 Routes
    • 14.41 BGP Keychain Authentication
    • 14.42 Clearing diagnostic buffers
    • 14.43 Displaying BGP4 Statistics
    • 14.44 Displaying BGP4 Neighbor Statistics
  • 15 BGP4+
    • 15.1 BGP4+ overview
    • 15.2 BGP global mode
    • 15.3 IPv6 unicast address family
    • 15.4 BGP4+ neighbors
      • 15.4.1 Configuring BGP4+ Neighbors Using Global IPv6 Addresses
      • 15.4.2 Configuring BGP4+ neighbors using link-local addresses
    • 15.5 BGP4+ Peer Groups
      • 15.5.1 Configuring BGP4+ peer groups
      • 15.5.2 Configuring a peer group with IPv4 and IPv6 peers
    • 15.6 Importing routes into BGP4+
    • 15.7 Advertising the default BGP4+ route
    • 15.8 Advertising the default BGP4+ route to a specific neighbor
    • 15.9 Using the IPv6 Default Route as a Valid Next Hop for a BGP4+ Route
    • 15.10 BGP4+ next hop recursion
      • 15.10.1 Enabling next-hop recursion
    • 15.11 BGP4+ NLRIs and next hop attributes
    • 15.12 BGP4+ route reflection
      • 15.12.1 Configuring a cluster ID for a route reflector
      • 15.12.2 Configuring a route reflector client
    • 15.13 BGP4+ route aggregation
      • 15.13.1 Aggregating Routes Advertised to BGP Neighbors
    • 15.14 BGP4+ multipath
      • 15.14.1 Enabling Load-Balancing Across Different Paths
    • 15.15 Route maps
      • 15.15.1 Configuring a route map for BGP4+ prefixes
    • 15.16 Redistributing prefixes into BGP4+
    • 15.17 Redistributing routes into BGP4+
    • 15.18 Specifying the weight added to BGP4+ received routes
    • 15.19 BGP4+ outbound route filtering
      • 15.19.1 Configuring BGP4+ outbound route filtering
    • 15.20 BGP4+ confederations
      • 15.20.1 Configuring BGP4+ confederations
    • 15.21 BGP4+ extended community
      • 15.21.1 Defining a community ACL
      • 15.21.2 Applying a BGP extended community filter
    • 15.22 BGP4+ graceful restart
      • 15.22.1 Disabling BGP4+ Graceful Restart
      • 15.22.2 Re-enabling BGP4+ graceful restart
    • 15.23 Generalized TTL Security Mechanism support
      • 15.23.1 Configuring GTSM for BGP4+
    • 15.24 Disabling the BGP AS_PATH Check Function
    • 15.25 Displaying BGP4+ statistics
    • 15.26 Displaying BGP4+ Neighbor Statistics
  • 16 BFD
    • 16.1 Bidirectional Forwarding Detection Overview
    • 16.2 BFD Session States
    • 16.3 BFD in a Stacking System
    • 16.4 BFD High Availability Support
    • 16.5 Micro-BFD
      • 16.5.1 Enabling Micro-BFD Globally
      • 16.5.2 Configuring Micro-BFD for the Member Links of a LAG Interface
      • 16.5.3 BFD Configuration on One LAG Member Port
    • 16.6 BFD Session Configuration Where Next Hop is a VE Interface
    • 16.7 BFD Session Configuration Where Next Hop is a LAG Interface
    • 16.8 BFD Considerations and Limitations
    • 16.9 Holdover Timer
    • 16.10 BFD Support for OSPF
      • 16.10.1 Configuring BFD for OSPFv2 Globally
      • 16.10.2 Enabling BFD on an OSPFv2-Enabled Interface
      • 16.10.3 Configuring BFD for OSPFv3 Globally
      • 16.10.4 Enabling BFD on an OSPFv3-Enabled Interface
      • 16.10.5 Setting a BFD Session to Passive
      • 16.10.6 Disabling BFD for OSPF-enabled Interfaces
      • 16.10.7 Configuring BFD for OSPFv2 Globally in a Nondefault VRF Instance
      • 16.10.8 Configuring BFD for OSPFv3 Globally in a Nondefault VRF Instance
    • 16.11 BFD Support for BGP
      • 16.11.1 Configuring BFD for BGP
      • 16.11.2 Configuring BFD for BGP for a Nondefault VRF Instance
      • 16.11.3 Enabling BFD Sessions for a BGP Neighbor
      • 16.11.4 Enabling BFD Sessions for a BGP Peer Group
      • 16.11.5 Enabling BFD Sessions for a BGP Neighbor for a Nondefault VRF Instance
      • 16.11.6 Setting a BFD Session as Passive
      • 16.11.7 Disabling a BFD Session for a BGP Neighbor
    • 16.12 BFD for Static Routes
      • 16.12.1 Configuring BFD for an IP Static Route
      • 16.12.2 Configuring BFD for an IPv6 Static Route
    • 16.13 BFD Configuration Examples
      • 16.13.1 Configuration Example: Single-Hop Static BFD Session for a LAG
      • 16.13.2 Configuration Example: Single-Hop Session for One Member Link for a LAG
      • 16.13.3 Configuration Example: BFD for OSPF Single-Hop Session for an Ethernet Interface
      • 16.13.4 Configuration Example: BFD for OSPF Single-Hop Session for a LAG Interface
      • 16.13.5 Configuration Example: BFD for OSPF Single-Hop Session for a VE Interface
      • 16.13.6 Configuration Example: BFD for eBGP Single-Hop Session
      • 16.13.7 Configuration Example: BFD for iBGP Single-Hop Session
      • 16.13.8 Configuration Example: BFD for IP Static Routes Single-Hop Session
      • 16.13.9 Configuration Example: BFD for IP Static Routes Multi-hop Session
    • 16.14 Displaying BFD Information
  • 17 VRRPv2
    • 17.1 VRRPv2 Overview
      • 17.1.1 VRRP Terminology
      • 17.1.2 VRRP Limitations on ICX Devices
      • 17.1.3 VRRP hold timer
      • 17.1.4 VRRP interval timers
      • 17.1.5 VRRP Authentication
      • 17.1.6 VRRP master device abdication to backup device
      • 17.1.7 ARP and VRRP control packets
    • 17.2 Enabling an Owner VRRP Device
    • 17.3 Enabling a backup VRRP device
    • 17.4 Configuring simple text authentication on VRRP interfaces
    • 17.5 Configuring MD5 authentication on VRRP interfaces
    • 17.6 Abdicating VRRP master device status
    • 17.7 Tracked ports and track priority with VRRP and VRRP-E
      • 17.7.1 Tracking ports and setting the VRRP priority
    • 17.8 VRRP backup preemption
      • 17.8.1 Disabling VRRP backup preemption
    • 17.9 Accept mode for backup VRRP devices
      • 17.9.1 Enabling Accept Mode on a Backup VRRP Device
    • 17.10 Suppressing RIP route advertisements on VRRP backup devices
    • 17.11 VRRP-Ev2 overview
    • 17.12 Enabling a VRRP-E device
    • 17.13 VRRP-E Load-Balancing Using Short-Path Forwarding
      • 17.13.1 Short-path forwarding with revert priority
      • 17.13.2 Configuring VRRP-E load-balancing using short-path forwarding
    • 17.14 VRRP-E Hitless Upgrade
      • 17.14.1 Configuring VRRP-E hitless upgrade
    • 17.15 VRRP-E slow start timer
      • 17.15.1 Configuring a VRRP-E slow-start timer
    • 17.16 Configuration Example: ISSU Upgrade Using VRRP-E
    • 17.17 Displaying VRRPv2 Information
    • 17.18 Clearing VRRPv2 statistics
  • 18 VRRPv3
    • 18.1 VRRPv3 overview
      • 18.1.1 VRRP Limitations on ICX Devices
    • 18.2 Enabling an IPv6 VRRPv3 owner device
    • 18.3 Enabling an IPv6 VRRPv3 backup device
    • 18.4 Enabling an IPv4 VRRPv3 owner device
    • 18.5 Enabling an IPv4 VRRPv3 backup device
    • 18.6 Tracked ports and track priority with VRRP and VRRP-E
      • 18.6.1 Tracking ports and setting VRRP priority using VRRPv3
    • 18.7 Accept mode for backup VRRP devices
      • 18.7.1 Enabling Accept Mode on a Backup VRRP Device
    • 18.8 Alternate VRRPv2 checksum for VRRPv3 IPv4 sessions
      • 18.8.1 Enabling the VRRPv2 checksum computation method in a VRRPv3 IPv4 session
      • 18.8.2 Displaying alternate VRRPv2 checksum settings
    • 18.9 Automatic generation of a virtual link-local address for VRRPv3
      • 18.9.1 Assigning an auto-generated link-local IPv6 address for a VRRPv3 cluster
    • 18.10 Displaying VRRPv3 Statistics
    • 18.11 Clearing VRRPv3 statistics
    • 18.12 VRRP-Ev3 Overview
    • 18.13 Enabling an IPv6 VRRP-Ev3 device
    • 18.14 Displaying and Clearing VRRP-Ev3 Statistics
  • 19 Multi-VRF
    • 19.1 Multi-VRF Overview
    • 19.2 Multi-VRF Considerations
    • 19.3 VRF-related System-Max Values
    • 19.4 Additional Features to Support Multi-VRF
    • 19.5 Configuring Multi-VRF
      • 19.5.1 Configuring VRF system-max values
      • 19.5.2 Creating VLANs as links on a tagged port for security
      • 19.5.3 Configuring a VRF Instance
      • 19.5.4 Starting a routing process for a VRF
      • 19.5.5 Assigning a Layer 3 interface to a VRF
      • 19.5.6 Assigning a Loopback Interface to a VRF
      • 19.5.7 Verifying a Multi-VRF Configuration
      • 19.5.8 Removing a VRF configuration
      • 19.5.9 Configuring static ARP for Multi-VRF
      • 19.5.10 Configuring Additional ARP Features for Multi-VRF
  • 20 Unicast Reverse Path Forwarding
    • 20.1 Unicast Reverse Path Forwarding
    • 20.2 Configuration Considerations for uRPF
    • 20.3 Unicast Reverse Path Forwarding Feasibility
    • 20.4 System-Max Changes and uRPF
    • 20.5 Enabling Unicast Reverse Path Forwarding
    • 20.6 Configuring unicast Reverse Path Forwarding modes

RIP

In this section:

  1. RIP Overview
  2. Enabling RIP and Configuring Global Parameters
    RIP is disabled by default. You must enable RIP globally and on individual interfaces on which you want to advertise RIP routes. You can enable RIP on physical interfaces as well as virtual routing interfaces.
  3. Configuring RIP interfaces
  4. Displaying RIP Information

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