Network Infrastructure

1.1 Switched campus

• 1.1.a Switch administration
• 1.1.a i Managing MAC address table
• 1.1.a ii Errdisable recovery
• 1.1.a iii L2 MTU
• 1.1.b Layer 2 protocols
• 1.1.b i CDP, LLDP
• 1.1.b ii UDLD
• 1.1.c VLAN technologies
• 1.1.c i Access ports
• 1.1.c ii Trunk ports (802.1Q)
• 1.1.c iii Native VLAN
• 1.1.c iv Manual VLAN pruning
• 1.1.c v VLAN database
• 1.1.c vi Normal range and extended range VLANs
• 1.1.c vii Voice VLAN
• 1.1.c viii VTP
• 1.1.d EtherChannel
• 1.1.d i LACP, static
• 1.1.d ii Layer 2, Layer 3
• 1.1.d iii Load balancing
• 1.1.d iv EtherChannel Misconfiguration Guard
• 1.1.e Spanning- Tree Protocol
• 1.1.e i PVST+, Rapid PVST+, MST
• 1.1.e ii Switch priority, port priority, path cost, STP timers
• 1.1.e iii PortFast, BPDU Guard, BPDU Filter
• 1.1.e iv Loop Guard, Root Guard

1.2 Routing Concepts

• 1.2.a Administrative distance
• 1.2.b VRF-lite
• 1.2.c Static routing
• 1.2.d Policy Based Routing
• 1.2.e VRF aware routing with any routing protocol
• 1.2.f Route filtering with any routing protocol
• 1.2.g Manual summarization with any routing protocol
• 1.2.h Redistribution between any pair of routing protocols
• 1.2.i Routing protocol authentication
• 1.2.j Bidirectional Forwarding Detection

1.3 EIGRP

• 1.3.a Adjacencies
• 1.3.b Best path selection
• 1.3.b i RD, FD, FC, successor, feasible successor
• 1.3.b ii Classic Metrics and Wide Metrics
• 1.3.c Operations
• 1.3.c i General operations
• 1.3.c ii Topology table
• 1.3.c iii Packet types
• 1.3.c iv Stuck In Active
• 1.3.c v Graceful shutdown
• 1.3.d EIGRP load-balancing
• 1.3.d i Equal-cost
• 1.3.d ii Unequal-cost
• 1.3.d iii Add-path
• 1.3.e EIGRP Named Mode
• 1.3.f Optimization, convergence and scalability
• 1.3.f i Fast convergence requirements
• 1.3.f ii Query propagation boundaries
• 1.3.f iii IP FRR (single hop)
• 1.3.f iv Leak-map with summary routes
• 1.3.f v EIGRP stub with leak map

1.4 OSPF (v2 and v3)

• 1.4.a Adjacencies
• 1.4.b Network types, area types
• 1.4.c Path preference
• 1.4.d Operations
• 1.4.d i General operations
• 1.4.d ii Graceful shutdown
• 1.4.d iii GTSM (Generic TTL Security Mechanism)
• 1.4.e Optimization, convergence and scalability
• 1.4.e i Metrics
• 1.4.e ii LSA throttling, SPF tuning, fast hello
• 1.4.e iii LSA propagation control (area types)
• 1.4.e iv Stub router
• 1.4.e v Loop-free alternate
• 1.4.e vi Prefix suppression

1.5 BGP

• 1.5.a IBGP and EBGP peer relationships
• 1.5.a i Peer-group/update-group, template
• 1.5.a ii Active, passive
• 1.5.a iii Timers
• 1.5.a iv Dynamic neighbors
• 1.5.a v 4-bytes AS numbers
• 1.5.a vi Private AS
• 1.5.b Path selection
• 1.5.b i Attributes
• 1.5.b ii Best path selection algorithm
• 1.5.b iii Load-balancing
• 1.5.c Routing policies
• 1.5.c i Attribute manipulation
• 1.5.c ii Conditional advertisement
• 1.5.c iii Outbound Route Filtering
• 1.5.c iv Standard and extended communities
• 1.5.c v Multi-homing
• 1.5.d AS path manipulations
• 1.5.d i local-AS, allowas-in, remove-private-as
• 1.5.d ii Prepend
• 1.5.d iii Regexp
• 1.5.e Convergence and scalability
• 1.5.e i Route reflector
• 1.5.e ii Aggregation, as-set
• 1.5.f Other BGP features
• 1.5.f i Multipath, add-path
• 1.5.f ii Soft reconfiguration, Route Refresh

1.6 Multicast

• 1.6.a Layer 2 multicast
• 1.6.a i IGMPv2, IGMPv3
• 1.6.a ii IGMP Snooping, PIM Snooping
• 1.6.a iii IGMP Querier
• 1.6.a iv IGMP Filter
• 1.6.a v MLD
• 1.6.b Reverse path forwarding check
• 1.6.c PIM
• 1.6.c i Sparse Mode
• 1.6.c ii Static RP, BSR, AutoRP
• 1.6.c iii Group to RP Mapping
• 1.6.c iv Bidirectional PIM
• 1.6.c v Source-Specific Multicast
• 1.6.c vi Multicast boundary, RP announcement filter
• 1.6.c vii PIMv6 Anycast RP
• 1.6.c viii IPv4 Anycast RP using MSDP
• 1.6.c ix Multicast multipath

2.1 Cisco SD Access

• 2.1.a Design a Cisco SD Access solution
• 2.1.a i Underlay network (IS-IS, manual/PnP)
• 2.1.a ii Overlay fabric design (LISP, VXLAN, Cisco TrustSec)
• 2.1.a iii Fabric domains (single-site and multi-site using SD-WAN transit)
• 2.1.b Cisco SD Access deployment
• 2.1.b i Cisco DNA Center device discovery and device management
• 2.1.b ii Add fabric node devices to an existing fabric
• 2.1.b iii Host onboarding (wired endpoints only)
• 2.1.b iv Fabric border handoff
• 2.1.c Segmentation
• 2.1.c i Macro-level segmentation using VNs
• 2.1.c ii Micro-level segmentation using SGTs (using Cisco ISE)
• 2.1.d Assurance
• 2.1.d i Network and client health (360)
• 2.1.d ii Monitoring and troubleshooting

2.2 Cisco SD-WAN

• 2.2.a Design a Cisco SD-WAN solution
• 2.2.a i Orchestration plane (vBond, NAT)
• 2.2.a ii Management plane (vManage)
• 2.2.a iii Control plane (vSmart, OMP)
• 2.2.a iv Data plane (vEdge/cEdge)
• 2.2.b WAN edge deployment
• 2.2.b i Onboarding new edge routers
• 2.2.b ii Orchestration with zero-touch provisioning/Plug-And-Play
• 2.2.b iii OMP
• 2.2.b iv TLOC
• 2.2.c Configuration templates
• 2.2.d Localized policies
• 2.2.e Centralized policies

3.1 MPLS

• 3.1.a Operations
• 3.1.a i Label stack, LSR, LSP
• 3.1.a ii LDP
• 3.1.a iii MPLS ping, MPLS traceroute
• 3.1.b L3VPN
• 3.1.b i PE-CE routing
• 3.1.b ii MP-BGP VPNv4/VPNv6
• 3.1.b iii Extranet (route leaking)

3.2 DMVPN

• 3.2.a Troubleshoot DMVPN Phase 3 with dual-hub
• 3.2.a i NHRP
• 3.2.a ii IPsec/IKEv2 using pre-shared key
• 3.2.a iii Per-Tunnel QoS
• 3.2.b Identify use-cases for FlexVPN
• 3.2.b i Site-to-site, Server, Client, Spoke-to-Spoke
• 3.2.b ii IPsec/IKEv2 using pre-shared key
• 3.2.b iii MPLS over FlexVPN