3.0 Layer 3 Technologies

  • 3.1 Addressing technologies
    • 3.1.a Identify, implement and troubleshoot IPv4 addressing and subnetting
      • 3.1.a (i) Address types, VLSM
      • 3.1.a (ii) ARP
    • 3.1.b Identify, implement and troubleshoot IPv6 addressing and subnetting
      • 3.1.b (i) Unicast, multicast
      • 3.1.b (ii) EUI-64
      • 3.1.b (iii) ND, RS/RA
      • 3.1.b (iv) Autoconfig/SLAAC, temporary addresses (RFC4941)
      • 3.1.b (v) Global prefix configuration feature
      • 3.1.b (vi) DHCP protocol operations
      • 3.1.b (vii) SLAAC/DHCPv6 interaction
      • 3.1.b (viii) Stateful, stateless DHCPv6
      • 3.1.b (ix) DHCPv6 prefix delegation
  • 3.2 Layer 3 multicast
    • 3.2.a Troubleshoot reverse path forwarding
      • 3.2.a (i) RPF failure
      • 3.2.a (ii) RPF failure with tunnel interface
    • 3.2.b Implement and troubleshoot IPv4 protocol independent multicast
      • 3.2.b (i) PIM dense mode, sparse mode, sparse-dense mode
      • 3.2.b (ii) Static RP, auto-RP, BSR
      • 3.2.b (iii) BiDirectional PIM
      • 3.2.b (iv) Source-specific multicast
      • 3.2.b (v) Group to RP mapping
      • 3.2.b (vi) Multicast boundary
    • 3.2.c Implement and troubleshoot multicast source discovery protocol
      • 3.2.c (i) Intra-domain MSDP (anycast RP)
      • 3.2.c (ii) SA filter
    • 3.2.d Describe IPv6 multicast
      • 3.2.d (i) IPv6 multicast addresses
      • 3.2.d (ii) PIMv6
  • 3.3 Fundamental routing concepts
    • 3.3.a Implement and troubleshoot static routing
    • 3.3.b Implement and troubleshoot default routing
    • 3.3.c Compare routing protocol types
      • 3.3.c (i) Distance vector
      • 3.3.c (ii) Link state
      • 3.3.c (iii) Path vector
    • 3.3.d Implement, optimize and troubleshoot administrative distance
    • 3.3.e Implement and troubleshoot passive interface
    • 3.3.f Implement and troubleshoot VRF lite
    • 3.3.g Implement, optimize and troubleshoot filtering with any routing protocol
    • 3.3.h Implement, optimize & troubleshoot redistribution between any routing protocol
    • 3.3.i Implement, optimize & troubleshoot manual & auto summarization with any routing protocol
    • 3.3.j Implement, optimize and troubleshoot policy-based routing
    • 3.3.k Identify and troubleshoot sub-optimal routing
    • 3.3.l Implement and troubleshoot bidirectional forwarding detection
    • 3.3.m Implement and troubleshoot loop prevention mechanisms
      • 3.3.m (i) Route tagging, filtering
      • 3.3.m (ii) Split horizon
      • 3.3.m (iii) Route poisoning
    • 3.3.n Implement and troubleshoot routing protocol authentication
      • 3.3.n (i) MD5
      • 3.3.n (ii) Key-chain
      • 3.3.n (iii) EIGRP HMAC SHA2-256bit
      • 3.3.n (iv) OSPFv2 SHA1-196bit
    • 3.3.n (v) OSPFv3 IPsec authentication
  • 3.4 RIP (v2 and v6)
    • 3.4.a Implement and troubleshoot RIPv2
    • 3.4.b Describe RIPv6 (RIPng)
  • 3.5 EIGRP (for IPv4 and IPv6)
    • 3.5.a Describe packet types
      • 3.5.a (i) Packet types (hello, query, update, and such)
      • 3.5.a (ii) Route types (internal, external)
    • 3.5.b Implement and troubleshoot neighbor relationship
      • 3.5.b (i) Multicast, unicast EIGRP peering
      • 3.5.b (ii) OTP point-to-point peering
      • 3.5.b (iii) OTP route-reflector peering
      • 3.5.b (iv) OTP multiple service providers scenario
    • 3.5.c Implement and troubleshoot loop free path selection
      • 3.5.c (i) RD, FD, FC, successor, feasible successor
      • 3.5.c (ii) Classic metric
      • 3.5.c (iii) Wide metric
    • 3.5.d Implement and troubleshoot operations
      • 3.5.d (i) General operations
      • 3.5.d (ii) Topology table, update, query, active, passive
      • 3.5.d (iii) Stuck in active
      • 3.5.d (iv) Graceful shutdown
    • 3.5.e Implement and troubleshoot EIGRP stub
      • 3.5.e (i) Stub
      • 3.5.e (ii) Leak-map
    • 3.5.f Implement and troubleshoot load-balancing
      • 3.5.f (i) equal-cost
      • 3.5.f (ii) unequal-cost
      • 3.5.f (iii) add-path
    • 3.5.g Implement EIGRP (multi-address) named mode
      • 3.5.g (i) Types of families
      • 3.5.g (ii) IPv4 address-family
      • 3.5.g (iii) IPv6 address-family
    • 3.5.h Implement, troubleshoot and optimize EIGRP convergence and scalability
      • 3.5.h (i) Describe fast convergence requirements
      • 3.5.h (ii) Control query boundaries
      • 3.5.h (iii) IP FRR/fast reroute (single hop)
      • 3.5.8 (iv) Summary leak-map
      • 3.5.h (v) Summary metric
  • 3.6 OSPF (v2 and v3)
    • 3.6.a Describe packet types
      • 3.6.a (i) LSA types (1, 2, 3, 4, 5, 7, 9)
      • 3.6.a (ii) Route types (N1, N2, E1, E2)
    • 3.6.b Implement and troubleshoot neighbor relationship
    • 3.6.c Implement and troubleshoot OSPFv3 address-family support
      • 3.6.c (i) IPv4 address-family
      • 3.6.c (ii) IPv6 address-family
    • 3.6.d Implement and troubleshoot network types, area types and router types
      • 3.6.d (i) Point-to-point, multipoint, broadcast, non-broadcast
      • 3.6.d (ii) LSA types, area type: backbone, normal, transit, stub, NSSA, totally stub
      • 3.6.d (iii) Internal router, ABR, ASBR
      • 3.6.d (iv) Virtual link
    • 3.6.e Implement and troubleshoot path preference
    • 3.6.f Implement and troubleshoot operations
      • 3.6.f (i) General operations
      • 3.6.f (ii) Graceful shutdown
      • 3.6.f (iii) GTSM (Generic TTL Security Mechanism)
    • 3.6.g Implement, troubleshoot and optimize OSPF convergence and scalability
      • 3.6.g (i) Metrics
      • 3.6.g (ii) LSA throttling, SPF tuning, fast hello
      • 3.6.g (iii) LSA propagation control (area types, ISPF)
      • 3.6.g (iv) IP FRR/fast reroute (single hop)
      • 3.6.g (v) LFA/loop-free alternative (multi hop)
      • 3.6.g (vi) OSPFv3 prefix suppression
  • 3.7 BGP
    • 3.7.a Describe, implement and troubleshoot peer relationships
      • 3.7.a (i) Peer-group, template
      • 3.7.a (ii) Active, passive
      • 3.7.a (iii) States, timers
      • 3.7.a (iv) Dynamic neighbors
    • 3.7.b Implement and troubleshoot IBGP and EBGP
      • 3.7.b (i) EBGP, IBGP
      • 3.7.b (ii) 4 bytes AS number
      • 3.7.b (iii) Private AS
    • 3.7.c Explain attributes and best-path selection
    • 3.7.d Implement, optimize and troubleshoot routing policies
      • 3.7.d (i) Attribute manipulation
      • 3.7.d (ii) Conditional advertisement
      • 3.7.d (iii) Outbound route filtering
      • 3.7.d (iv) Communities, extended communities
      • 3.7.d (v) Multi-homing
    • 3.7.e Implement and troubleshoot scalability
      • 3.7.e (i) Route-reflector, cluster
      • 3.7.e (ii) Confederations
      • 3.7.e (iii) Aggregation, AS set
    • 3.7.f Implement and troubleshoot multiprotocol BGP
    • 3.7.f (i) IPv4, IPv6, VPN address-family
    • 3.7.g Implement and troubleshoot AS path manipulations
      • 3.7.g (i) Local AS, allow AS in, remove private AS
      • 3.7.g (ii) Prepend
      • 3.7.g (iii) Regexp
    • 3.7.h Implement and troubleshoot other features
      • 3.7.h (i) Multipath
      • 3.7.h (ii) BGP synchronization
      • 3.7.h (iii) Soft reconfiguration, route refresh
    • 3.7.i Describe BGP fast convergence features
      • 3.7.i (i) Prefix independent convergence
      • 3.7.i (ii) Add-path
      • 3.7.i (iii) Next-hop address tracking
  • 3.8 ISIS (for IPv4 and IPv6)
    • 3.8.a Describe basic ISIS network
    • 3.8.a (i) Single area, single topology
    • 3.8.b Describe neighbor relationship
    • 3.8.c Describe network types, levels and router types
    • 3.8.c (i) NSAP addressing
    • 3.8.c (ii) Point-to-point, broadcast
    • 3.8.d Describe operations
    • 3.8.e Describe optimization features
    • 3.8.e (i) Metrics, wide metric