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Module 0 - Course Introduction
- Objective
- BGP/MPLS course agenda
- Course Symbols
Module 1 - What is BGP?
- Objectives
- What is BGP?
- BGP is an exterior gateway protocol
- How is BGP used?
- BGP compared to current IGPs
- BGP uses TCP for transport
- BGP can scale to hundreds of thousands of prefixes
- BGP peers are configured manually
- BGP carries attributes
- BGP attributes are the ?magic? of BGP
- IGP and BGP best path choice
- Lab #1
Module 2 - Primary BGP Concepts
- Objectives
- Autonomous Systems
- Autonomous System Numbers
- AS Path attribute
- HP Networking BGP and MPLS technology training
- BGP table
- BGP puts the best routes in the routing table
- BGP prefixes in the routing table
Module 3 - Basic BGP Configuration
- Objectives
- Basic BGP configuration
- Status of BGP peers
- Display BGP table
Module 4 - Advertising BGP Prefixes
- Objectives
- Advertising a default route into IGP
- Lab # 2
- Originating prefixes into BGP
- BGP attributes
- AS Path attribute
- The Origin attribute
- Lab # 3
- Lab # 4
Module 5 - Introduction to iBGP
- Objectives
- External and internal BGP
- Transit Autonomous System
- External BGP
- Internal BGP
Module 6 - Loop Free BGP and Multi-homing
- Objectives
- External BGP
- eBGP shared with iBGP
- eBGP loop free behavior
- AS Path provides loop free behavior
- eBGP is loop free
- Multi-homed organization
- Single-homed organization
- Multi-homed organization – one ISP
- Types of Autonomous Systems
Module 7 - BGP Best Path Selection
- Objectives
- Multi-homed organizations use BGP
- BGP puts the best routes in the routing table
- BGP path selection
- BGP path choice
- BGP table
- BGP maintains multiple paths
- BGP table
- Basic BGP operation
- Types of BGP messages
- Reset and refresh BGP peer
- Lab # 5
- Methods of originating prefixes into BGP
- Originating prefixes – network command
- Originating prefixes – import static
- Originating prefixes – import OSPF
- Originating prefixes into BGP
- Lab # 6
Module 8 - Filtering BGP Prefixes
- Objectives
- Filtering BGP advertisements
- Filtering advertised prefixes
- Filtering BGP prefixes
- Filtering received prefixes
- Using ACLs to filter prefixes
- IP Prefix Lists
- HP Networking BGP and MPLS technology training
- IP Prefix Lists
- Display IP Prefix Lists
- Using IP Prefix Lists
- BGP Description
- BGP peer ignore command
- BGP router ID
- Display BGP router ID
- Lab # 7
Module 9 - Route Policies
- Objectives
- Route policies
- Display advertised prefixes
- Route policies
- Route policies applied to a BGP peer
- Lab # 8
Module 10 - Internal BGP
- Objectives
- iBGP peer configuration
- Display BGP peer
- iBGP connection is logical
- iBGP may be multiple hops
- iBGP resiliency
- BGP table
- Reading the BGP table
- Lab #9
- iBGP loop free behavior
- Advertise best paths only
- Lab #10
Module 11 - Next Hop Attribute
- Objectives
- Next Hop attribute
- BGP sets the Next Hop attribute
- Next Hop attribute default behavior
- Benefits of the Next Hop attribute
- Next Hop default behavior
- Next Hop indicates the ?best exit?
- Next Hop attribute default behavior
- Next Hop reachability
- Next Hop attribute is unreachable
- Setting the Next Hop attribute
- Changing the Next Hop attribute to iBGP peers
- Next Hop local
- Make the Next Hop attribute reachable
- Lab # 11
- BGP attributes
- BGP decision process
- Influence the BGP decision process
- Lab # 12
Module 12 - Controlling BGP Prefixes and AS numbers
- Objectives
- BGP aggregation
- Display BGP aggregate prefix
- Atomic Aggregate attribute
- Aggregator attribute
- HP Networking BGP and MPLS technology training
- Lab # 13
- Private Autonomous System numbers
- Remove private AS numbers
- Lab # 14
Module 13 - Outbound Traffic Management, Local Preference
- Objectives
- BGP best path review
- BGP path choice review
- BGP decision process review
- BGP ?politics?
- Outbound traffic management
- Local Preference attribute
- Outbound traffic policy for AS-100
- Set Local Preference attribute
- Outbound traffic management
- Local Preference versus AS Path
- BGP decision process review
- Set Local Preference attribute
- Display BGP routing table details
- BGP decision process
- Lab # 15
Module 14 - Inbound Traffic Management, Prepend
- Objectives
- BGP attributes
- Outbound and inbound traffic management
- Review current traffic flow
- Change inbound traffic by filtering?
- AS path prepending
- Lab # 16
- Example of AS path prepending
- Multi-homed enterprise inbound policy
- Apply inbound traffic policy
- Lab # 17
Module 15 - Inbound Traffic Management, MED
- Objectives
- Multi-Exit Discriminator attribute
- Multi-Exit Discriminator – lowest MED wins
- Multi-Exit Discriminator – load balancing
- Multi-Exit Discriminator versus Local Preference
- BGP decision process
- MED – influence a single neighboring AS
- Multi-Exit Discriminator
- Lab # 18
Module 16 - BGP Scalability Tools
- Objectives
- Many similar iBGP peers
- Many repetitive BGP peer commands
- BGP peer group
- Peer group configuration
- Peer groups – eBGP peers
- Traffic management review
- Identifying prefixes review
- AS path access lists
- AS path access list configuration
- Lab # 19
Module 17 - BGP Scalability Features
- Objectives
- iBGP full mesh – not many routers
- HP Networking BGP and MPLS technology training
- iBGP full mesh is not scalable
- Route Reflectors
- Route Reflector behavior
- Route Reflector terminology
- Route Reflector configuration
- Lab # 20
- Route Reflector terminology
- Originator ID attribute
- Route Reflector hierarchy
- Route Reflector redundancy
- Cluster List attribute
- Traffic flow through Route Reflectors
Module 18 - BGP Communities Attributes
- Objectives
- Communities attribute
- BGP update with the Communities attribute
- Example Communities attribute
- No Export Community
- Communities attribute example – No Export
- No Export Community configuration
- ISP Communities policy
- Communities can influence remote ISP
- Communities attribute configuration
- Communities attribute
- Lab # 21
- Extended Communities attribute
- Extended Communities attribute format
- Example BGP extended Communities
Module 19 - Multi-Protocol BGP
- Objectives
- Multi-protocol BGP
Module 20 - Introduction to MPLS
- Objectives
- Multi-protocol Label Switching
- Overview of MPLS
- Basic operation of MPLS
- Basic function of MPLS labels
- MPLS shim header
- MPLS terminology
- Label Switching Routers
- LSRs maintain a table of labels
- Label Switched Path
- Types of Label Switched Paths
- Forwarding Equivalence Class
- Forwarding Equivalence Class examples
- Lab # 22 Transition to MPLS
Module 21 - MPLS Efficiency
- Objectives
- Traditional IP routing before MPLS
- Packets in one subnet forwarded similarly
- Traditional IP delivery without MPLS
- Basic MPLS behavior is efficient
- Ingress MPLS LSR
- Intermediate MPLS LSRs
- MPLS Egress LSR
- Egress MPLS LSRs
- Basic MPLS behavior
Module 22 - MPLS Labels
- Objectives
- MPLS label is locally significant
- Where did the label come from?
- Downstream LSR advertises labels upstream
- Labels advertised on each hop
- Two LSPs for a single FEC
- How are labels advertised?
- Sharing MPLS labels between LSRs
- HP Networking BGP and MPLS technology training
- Label Distribution Protocol
- LDP peer discovery
- LDP peer TCP connection
- MPLS label format
- Fields in the MPLS label
- MPLS label field
- Traffic Class field
- Stack Bit field
- Time to Live field
- Egress LSR processes network layer
- Egress LSR pops and routes
- Penultimate hop popping
- Implicit null – penultimate hop popping
Module 23 - MPLS Configuration
- Objectives
- Basic MPLS configuration
- MPLS display commands
- Display LDP commands
- Lab # 23 Basic MPLS configuration
- Trace to Display MPLS Labels
- Display Ingress and Egress MPLS LSPs
- Display Transit MPLS LSPs
- Lab # 24 MPLS Label Swapping
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