Brocade Multi-Service IronWare Routing Configuration Guide (Supporting R05.6.00) User Manual

Multi-service ironware, Routing configuration guide

53-1003033-02
9 December, 2013

Multi-Service IronWare

Routing Configuration Guide

Supporting Multi-Service IronWare R05.6.00

Table of contents

Document Outline

Contents
About This Document
- Audience
- Supported hardware and software
  - Supported software
- Document conventions
  - Text formatting
  - Notes, cautions, and danger notices
- Notice to the reader
- Related publications
- Getting technical help or reporting errors
BGP (IPv4)
- Overview of BGP4
  - Relationship between the BGP4 route table and the IP route table
  - How BGP4 selects a path for a route (BGP best path selection algorithm)
  - BGP4 message types
- Implementation of BGP4
- Memory considerations
  - Grouping of RIB-out peers
- BGP4 Restart
  - BGP4 Peer notification during a management module switchover
  - BGP4 neighbor local AS
  - BGP4 null0 routing
- Configuring BGP4
- Enabling and disabling BGP4
  - Disabling BGP4
- Entering and exiting the address family configuration level
- Aggregating routes advertised to BGP4 neighbors
- Configuring the device to always compare Multi-Exit Discriminators
- Disabling or re-enabling comparison of the AS-Path length
- Redistributing IBGP routes
- BGP router reflector
  - Configuring BGP router reflector
- Disabling or re-enabling client-to-client route reflection
- Configuring a route reflector
- Enabling or disabling comparison of device IDs
- Configuring confederations
- Four-byte Autonomous System Numbers (AS4)
  - Enabling AS4 numbers
- BGP4 AS4 attribute errors
  - Error logs
- Specifying a maximum AS path length
  - Setting a global maximum AS path limit
  - Setting a maximum AS path limit for a peer group or neighbor
- BGP4 max-as error messages
- Configuring route flap dampening
- Originating the default route
- Changing the default local preference
- Changing the default metric used for redistribution
- Changing the default metric used for route cost
- Changing administrative distances
- Requiring the first AS to be the neighbor AS
- Enabling fast external fallover
- Setting the local AS number
  - Setting the local AS number for VRF instances
- Configuring BGP4 multipath load sharing
  - Customizing BGP4 multipath load sharing
  - Enhancements to BGP4 load sharing
- Configuring a static BGP4 network
- Configuring paths without MEDs as the least favorable
- Configuring BGP4 neighbors
  - Auto shutdown of BGP4 neighbors on initial configuration
  - Removing route dampening from suppressed routes
  - Encrypting BGP4 MD5 authentication keys
  - Advertising IPv4 routes between IPv6 BGP peers
- Configuring a BGP4 peer group
  - Peer group parameters
- Administratively shutting down a session with a BGP4 neighbor
- Specifying a list of networks to advertise
- Using the IP default route as a valid next-hop for a BGP4 route
- Enabling next-hop recursion
- Modifying redistribution parameters
- Using a table map to set the tag value
- Changing the Keep Alive Time and Hold Time
- Changing the BGP4 next-hop update timer
- Changing the device ID
- Adding a loopback interface
- Changing the maximum number of paths for BGP4 load sharing
- Configuring route reflection parameters
- Filtering
  - Filtering AS-paths
  - Filtering communities
  - Defining and applying IP prefix lists
  - Defining neighbor distribute lists
  - Defining route maps
  - Route-map continue clauses for BGP4 routes
  - Specifying route-map continuation clauses
  - Dynamic route filter update
  - Configuring cooperative BGP4 route filtering
  - Configuring route flap dampening
  - Generating traps for BGP4
  - Updating route information and resetting a neighbor session
  - Clearing traffic counters
  - Clearing route flap dampening statistics
  - Removing route flap dampening
  - Clearing diagnostic buffers
  - Configuring BGP4 Restart
  - Configuring BGP4 null0 routing
- Generalized TTL Security Mechanism support
- Displaying BGP4 information
  - Displaying summary BGP4 information
  - Displaying the active BGP4 configuration
  - Displaying summary neighbor information
  - Displaying BGP4 neighbor information
  - Displaying peer group information
  - Displaying summary route information
  - Displaying the BGP4 route table
  - Displaying BGP4 route-attribute entries
  - Displaying the routes BGP4 has placed in the IP route table
  - Displaying route flap dampening statistics
  - Displaying the active route map configuration
  - Displaying BGP4 restart neighbor information
  - Displaying AS4 details
  - Displaying route-map continue clauses
OSPF version 2 (IPv4)
- OSPF point-to-point links
- OSPF graceful restart
- OSPF VRF-Lite for customer-edge routers
- Configuring OSPF
- OSPF non-stop routing
- Synchronization of critical OSPF elements
- BFD with OSPF NSR
- Standby module operations
  - Neighbor database
  - LSA database
- Enabling and disabling NSR
- Limitations of NSR
- Adding additional parameters
- Displaying OSPF information
- Clearing OSPF information
- Commands
IS-IS (IPv4)
- Relationship to IP route table
- IS-IS CLI levels
- Globally configuring IS-IS on a device
- Configuring IPv4 address family route parameters
- Configuring IS-IS point-to-point over Ethernet
- Configuring IS-IS over a GRE IP tunnel
- IS-IS Non-Stop Routing
- Configuring ISIS properties on an interface
- Displaying IPv4 IS-IS information
- Clearing the IS-IS SPF Log
- Triggering the router to run SPF
- Clearing IS-IS information
- Clearing a specified LSP from IS-IS database
RIP (IPv4)
- RIP parameters and defaults
  - RIP global parameters
  - RIP interface parameters
- Configuring RIP parameters
- Displaying RIP Information
Policy-Based Routing (IPv4)
- Configuration considerations
- Configuring a PBR policy
  - Configure the route map
  - Enabling PBR
- Configuration examples
- Policy based routing with the preserve VLAN option
- Configuration examples
- Policy-based routing support for preserve VLAN
  - Configuration considerations
MBGP
- Configuration considerations
- Configuring MBGP
- Displaying MBGP information
- Clearing MBGP information
Multi-VRF
- Overview of Multi-VRF
  - Benefits and applications of Multi-VRF
  - Summary
- Configuring Multi-VRF
  - Configuration 1
  - Configuration 2
Inter-VRF Routing
- Features & benefits
- Configuration considerations
  - Tie breaker rules
- Maximum route limitations
- Configuring Inter-VRF routing
  - Show commands
- Clearing IP routes
- Configuring the number of VRFs for IPv4 and IPv6
- Modified CLI commands
Management VRF
- Management VRF overview
  - Source interface and management VRF compatibility
  - Supported management applications
- Configuring a global management VRF
  - Configuration notes
  - Configuring Management interface under a user defined VRF
- Displaying the management VRF information
Basic IPv6 Connectivity
- Enabling IPv6 routing
- Configuring IPv6 on each interface
  - Configuring a global or unique local IPv6 unicast address
  - Configuring a link-local IPv6 address
  - Configuring IPv6 anycast addresses
  - Configuring IPv6 127 bit mask address
- Configuring the management port for an IPv6 automatic address configuration
- IPv6 host support
  - IPv6 host supported features
  - Restricting SNMP access to an IPv6 node
  - Specifying an IPv6 SNMP trap receiver
  - Restricting Telnet access by specifying an IPv6 ACL
  - Restricting SSH access by specifying an IPv6 ACL
  - Restricting Web management access by specifying an IPv6 ACL
  - Restricting SNMP access by specifying an IPv6 ACL
  - Restricting Web management access to your device to a specific IPv6 host
  - Specifying an IPv6 Syslog server
  - Viewing IPv6 SNMP server addresses
  - Disabling router advertisement and solicitation messages
- IPv6 Non stop routing and graceful restart
  - Limitations
  - Supported protocols
  - Restart global timers
  - Configuring NSR and graceful restart on OSPFv3
  - Configuring Non Stop Routing on IS-IS
  - Configuring BGP graceful restart
  - IPv6 Hitless OS upgrade
- Configuring IPv4 and IPv6 protocol stacks
- Configuring IPv6 Domain Name Server (DNS) resolver
  - Defining a DNS entry
- IPv6 Non-Stop Routing support
  - Limitations
  - Configuring IPv6 NSR support
- ECMP load sharing for IPv6
  - Disabling or re-enabling ECMP load sharing for IPv6
  - Changing the maximum number of load sharing paths for IPv6
- DHCP relay agent for IPv6
  - DHCPv6 Relay Agent Prefix Delegation Notification
  - Configuring DHCP for IPv6 relay agent
  - Configuring DHCPv6 Relay Agent Prefix Delegation Notification
  - Displaying the DHCPv6 Relay Agent Prefix Delegation Notification information
  - Enabling support for network-based ECMP load sharing for IPv6
  - Displaying ECMP load-sharing information for IPv6
- Configuring IPv6 ICMP
  - Configuring ICMP rate limiting
  - Enabling ICMP redirect messages
  - Disabling or re-enabling ICMP redirect messages
  - Disabling ICMP error messages for source-routed IPv6 packets
  - Enabling ICMP error messages for an unreachable address
  - Enabling ICMP messages for an unreachable route
  - Enabling ICMP error messages for IPv6 packets with hop-limit 0
  - Enabling ICMP error messages for multicast Too Big packets
  - Enabling ICMP error messages for CES/CER devices
- Configuring IPv6 neighbor discovery
  - Neighbor solicitation and advertisement messages
  - Router advertisement and solicitation messages
  - Neighbor redirect messages
  - Setting neighbor solicitation parameters for duplicate address detection
  - Setting IPv6 router advertisement parameters
  - Controlling prefixes advertised in IPv6 router advertisement messages
  - Configuring the Domain Name of DNS suffix
  - Configuring the recursive DNS server addresses and lifetime multiplier
  - Setting flags in IPv6 router advertisement messages
  - Configuring reachable time for remote IPv6 nodes
- IPv6 source routing security enhancements
  - Complete filtering of IPv6 source-routed packets
  - Selective filtering of IPv6 source-routed packets using ACLs
  - Complete and selective filtering combination and order of application
  - Configuration examples for complete and selective filtering of source routed packets
- Changing the IPv6 MTU
- Configuring static neighbor entries
- Limiting the number of hops an IPv6 packet can traverse
- QoS for IPv6 traffic
- Configuring the rate limit for IPv6 subnet traffic
- Clearing global IPv6 information
  - Clearing the IPv6 cache
  - Clearing IPv6 neighbor information
  - Clearing IPv6 routes from the IPv6 route table
  - Clearing IPv6 traffic statistics
  - Clearing statistics for IPv6 subnet rate limiting
- Displaying global IPv6 information
  - Displaying IPv6 cache information
  - Displaying IPv6 interface information
  - Displaying interface counters for all ports
  - Displaying IPv6 neighbor information
  - Displaying the IPv6 route table
  - Displaying local IPv6 devices
  - Displaying IPv6 TCP information
  - Displaying IPv6 traffic statistics
  - Displaying statistics for IPv6 subnet rate limiting
  - Displaying IPv6 information for Router Advertisement Options
  - Displaying IPv6 interface information for Router Advertisement Options
- Commands
IPv6 Addressing
- IPv6 addressing overview
  - IPv6 address types
- IPv6 stateless auto-configuration
IPv6 Prefix List
- Configuring an IPv6 prefix list
- Displaying prefix list information
- IPv6 ND Prefix Suppress
  - Configuring IPv6 Prefix Suppress
  - IPv6 ND Router Advertisement Control
Managing a Device Over IPv6
- Using the IPv6 copy command
  - Copying a file to an IPv6 TFTP server
  - Copying a file from an IPv6 TFTP server
- Using the IPv6 ncopy command
- Using the IPv6 ping command
- Using the IPv6 traceroute command
- Using Telnet
  - Using the IPv6 Telnet command
  - Establishing a Telnet session from an IPv6 host
- Using Secure Shell
Static IPv6 Routes
- Configuring a static IPv6 route
- Configuring a IPv6 static multicast route
- BFD for Static Routes
BGP4+ (IPv6)
- Address family configuration level
- Configuring BGP4+
- Clearing BGP4+ information
- Displaying BGP4+ information
- Configuring BGP4+ graceful restart
  - Displaying BGP4+ graceful restart neighbor information
- Commands
OSPF version 3 (IPv6)
- OSPF Version 3
- Link-state advertisement types for OSPFv3
- Configuring OSPFv3
- Displaying OSPFv3 information
- OSPFv3 clear commands
- Commands
IS-IS (IPv6)
- IPv6 IS-IS single-topology mode
- IS-IS CLI levels
- Configuring IPv6 IS-IS
  - Enabling IPv6 IS-IS globally
  - Enabling IS-IS and assigning an IPv6 address to an interface
- Configuring IPv6 IS-IS single topology
- Globally configuring IS-IS on a device
- Configuring IPv6 specific address family route parameters
- Configuring IS-IS properties on an interface
  - Changing the metric added to advertised routes
- IPv6 IS-IS Non-Stop Routing
  - Overview
  - Configuring IS-IS NSR
- Displaying IPv6 IS-IS information
- IPv6 IS-IS Multi-Topology
RIPng (IPv6)
- Configuring RIPng
- Clearing RIPng routes from IPv6 route table
- Displaying RIPng information
  - Displaying RIPng configuration
  - Displaying RIPng routing table
Policy-Based Routing (IPv6)
- Configuration considerations
  - Considerations specific to Brocade NetIron CES and Brocade NetIron CER
- Configuring an IPv6 PBR policy
- Configuration examples
- Displaying IPv6 PBR information
- Policy based routing with the preserve VLAN option
- Configuration examples
- Policy-based routing support for preserve VLAN
  - Configuration considerations
VRRP and VRRP-E
- Overview of VRRP
  - Standard VRRP
  - Enhancements to VRRP
- Overview of VRRP-E
  - ARP behavior with VRRP-E
- Comparison of VRRP and VRRP-E
- VRRP and VRRP-E parameters
- Configuring parameters specific to VRRP
- Configuring parameters specific to VRRP-E
- Configuring additional VRRP and VRRP-E parameters
- Displaying VRRP and VRRP-E information for IPv4
- Displaying VRRP and VRRP-E information for IPv6
- Displaying configuration information for VRRP and VRRP-E
- Clearing VRRP or VRRP-E statistics
- Configuration examples
- VRRP-E Extension for Server Virtualization