Course Content
Packet Forwarding
0/2
Network Device Communication
Forwarding Architectures
Spanning Tree
An overview of how switches become aware of other switches and prevent loops.
0/2
Spanning Tree Protocol Fundamentals
Rapid Spanning Tree Protocol
Advanced Spanning Tree Tuning
0/2
Spanning Tree Topology Tuning
Additional Spanning Tree Protection Mechanisms
Multiple Spanning Tree Protocol (MST)
0/1
Multiple Spanning Tree Protocol
VLAN Trunks and EtherChannel Bundles
0/3
VLAN Trunking Protocol (VTP)
Dynamic Trunking Protocol (DTP)
EtherChannel Bundle
IP Routing Essentails
0/4
Routing Protocol Overview
Path Selection
Static Routing
Virtual routing and forwarding (VRF)
EIGRP
0/4
EIGRP Fundamentals
EIGRP Path Metric Calculation
EIGRP Failure Detection and Timers
EIGRP Route Summarization
OSPF
0/4
OSPF Fundamentals
OSPF Configuration
OSPF Default Route Advertisement
Common OSPF Optimizations
Advanced OSPF
The (OSPF) protocol scales well with proper network planning. IP addressing schemes, area segmentation, address summarization, and hardware capabilities for each area should considered when designing a network.
0/6
OSPF Areas
OSPF Link-State Announcements
Discontiguous Networks
OSPF Path Selection
OSPF Routes Summarization
OSPF Route Filtering
OSPFv3
0/3
OSPFv3 Fundamentals
OSPFv3 Configurations
IPv4 Support in OSPFv3
BGP
0/4
BGP Fundamentals
Basic BGP Configuration
BGP Route Summarization
Multiprotocol BGP for IPv6
Advanced BGP
0/6
BGP Multihoming
BGP Conditional Matching
BGP Route Maps
BGP Route Filtering and Manipulation
BGP Communities
BGP Path Selection
Multicast
0/5
Multicast Fundamentals
Multicast Addressing
Internet Group Management Protocol
Protocol Independent Multicast
Rendezvous Points
QoS
0/5
The Need for QoS
QoS Models
Classification and Marking
Policing and Shaping
Congestion Management and Avoidance
IP Services
0/3
Time Synchronization
First Hop Redundancy Protocol
Network Address Translation
Overlay Tunnels
0/4
Generic Routing Encapsulation (GRE) Tunnels
IPsec Fundamentals
Cisco Location/ID Separation Protocol (LISP)
Virtual Extensible Local Area Network (VXLAN)
Wireless Signals & Modulation
0/2
Understanding Basic Wireless Theory
Carrying Data over a Wireless Signal
Wireless Infrastructure
0/3
WLAN Topologies
Leveraging Antennas for Wireless Coverage
Pairing Lightweight APs and WLCs
Understanding Wireless Roam and Location Services
0/3
Roaming Overview
Roaming Between Centralized Controllers
Locating Devices in a Wireless Network
Authenticating Wireless Clients
0/4
Open Authentication
Authenticating with Pre-Shared Key (PSK)
Authenticating with EAP
Authenticating with WebAuth
Troubleshooting Wireless Connectivity
0/2
Troubleshooting Client Connectivity from WLC
Troubleshooting Connectivity Problems at the AP
Enterprise Network Architecture
0/2
Hierarchical LAN Design Model
Enterprise Network Architecture Options
Fabric Technologies
0/2
Software-Defined Access (SD-Access)
Software Defined WAN (SD-WAN)
Network Assurance
0/6
Network Diagnostic Tools
Debugging
NetFlow and Flexible NetFlow
Switched Port Analyzer (SPAN) Technologies
IP SLA
DNA Center Assurance
Secure Network Access Control
0/3
Network Security Design for Threat Defense
Network Access Control (NAC)
Next-Generation Endpoint Security
Network Device Access Control and Infrastructure Security
0/5
Access Control Lists (ACLs)
Terminal Lines and Password Protection
Authentication, Authorization, and Accounting (AAA)
Zone-Based Firewall (ZBFW)
Control Plane Policing (CoPP)
Virtualization
0/2
Server Virtualization
Network Functions Virtualization
Foundational Network Programmability Concepts
0/6
CLI
Application Programming Interface (API)
Data Models and Supporting Protocols
DevNet
GitHub
Basic Python Components and Scripts
Introduction to Automation Tools  
To provide a high-level overview of some of the most common configuration management and automation tools that are available.
0/3
Embedded Event Manager (EEM)
Agent-Based Automation Tools
Agentless Automation Tools
ENCOR Course
About Lesson

Multiprotocol BGP for IPv6

explains how BGP provides support for IPv6 routing and configuration.

MP-BGP enables BGP to carry NLRI for multiple protocols, such as IPv4, IPv6, and Multiprotocol Label Switching (MPLS) Layer 3 virtual private networks (L3VPNs).

MP-BGP

RFC 4760 defines the following new features:

  • A new address family identifier (AFI) model
  • New BGPv4 optional and nontransitive attributes:
    • Multiprotocol reachable NLRI
    • Multiprotocol unreachable NLRI

  • All the same underlying IPv4 path vector routing protocol features and rules also apply to MP-BGP for IPv6.
  • MP-BGP for IPv6 continues to use the same well-known TCP port 179 for session peering as BGP uses for IPv4.
  • The MP-BGP extensions include an address family identifier (AFI) that describes the supported protocols, along with subsequent address family identifier (SAFI) attribute fields that describe whether the prefix applies to the unicast or multicast routing table:
    • IPv4 unicast: AFI: 1, SAFI: 1
    • IPv6 unicast: AFI: 2, SAFI: 1

Configuring IPv6 BGP

All the BGP configuration rules demonstrated earlier apply with IPv6, except that the IPv6 address family must be initialized, and the neighbor is activated.  

Viewing BGP IPv6 Neighbors

  • Routers exchange AFI capabilities during the initial BGP session negotiation.
  • The command show bgp ipv6 unicast neighbors ip-address [detail] displays detailed information on whether or not the IPv6 capabilities were negotiated successfully.

Verifying IPv6 BGP

Viewing the IPv6 BGP Tables

The unspecified address (::) indicates that the local router is generating the prefix for the BGP table.

IPv6 Route Summarization

The same process for summarizing or aggregating IPv4 routes occurs with IPv6 routes, and the format is identical except that the configuration is placed under the IPv6 address family using the command aggregate-address prefix/prefix-length [summary-only] [as-set].

Bits Needed Summary Address Component Networks
2 2001:db8:0:0::/62 2001:db8:0:0::/64 through 2001:db8:0:3::/64
3 2001:db8:0:0::/61 2001:db8:0:0::/64 through 2001:db8:0:7::/64
4 2001:db8:0:0::/60 2001:db8:0:0::/64 through 2001:db8:0:F::/64
5 2001:db8:0:0::/59 2001:db8:0:0::/64 through 2001:db8:0:1F::/64
6 2001:db8:0:0::/58 2001:db8:0:0::/64 through 2001:db8:0:3F::/64

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