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 Normal range and extended range VLANs
1.1.c.vi Voice VLAN
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.d.v Identify Multi-chassis EtherChannel use cases
1.1.e Spanning-Tree Protocol
1.1.e.i PVST+, Rapid PVST+, MST
1.1.e.ii Switch priority, port priority, tuning port/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 Static routing (unicast, multicast)
1.2.c Policy-based routing
1.2.d VRF-Lite
1.2.e VRF-aware routing with BGP, EIGRP, OSPF and static
1.2.f Route leaking between VRFs using route maps and VASI
1.2.g Route filtering with BGP, EIGRP, OSPF, and static
1.2.h Redistribution between BGP, EIGRP, OSPF, and static
1.2.i Routing protocol authentication
1.2.j Bidirectional Forwarding Detection
1.2.k L3 MTU
1.3 EIGRP
1.3.a Adjacencies
1.3.b Best path selection
1.3.b.i Reported distance, computed distance, feasible distance, feasibility condition, 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 named mode
1.3.e Optimization, convergence, and scalability
1.3.e.i Query propagation boundaries
1.3.e.ii Leak-map with summary routes
1.3.e.iii EIGRP stub with leak map
1.4 OSPF (v2 and v3)
1.4.a Adjacencies
1.4.b OSPFv3 address family support
1.4.c Network types, area types
1.4.d Path preference
1.4.e Operations
1.4.e.i General operations
1.4.e.ii Graceful shutdown
1.4.e.iii GTSM (Generic TTL Security Mechanism)
1.4.f Optimization, convergence, and scalability
1.4.f.i Metrics
1.4.f.ii LSA throttling, SPF tuning
1.4.f.iii Stub router
1.4.f.iv Prefix suppression
1.5 BGP
1.5.a IBGP and EBGP peer relations
1.5.a.i Peer groups, templates
1.5.a.ii Active, passive
1.5.a.iii Timers
1.5.a.iv Dynamic neighbors
1.5.a.v 4-byte AS numbers
1.5.a.vi Private AS numbers
1.5.b Path selection
1.5.b.i Attributes
1.5.b.ii Best path selection algorithm
1.5.b.ii 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 Multihoming
1.5.d AS path manipulations
1.5.d.i local-as, allowas-in, remove-private-as
1.5.d.ii AS path prepending
1.5.d.iii Regular expressions
1.5.e Convergence and scalability
1.5.e.i Route reflectors
1.5.e.ii Aggregation, as-set
1.5.f Other BGP features such as soft reconfiguration and 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 filters
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, Auto-RP
1.6.c.iii Group-to-RP mapping
1.6.c.iv Source Specific Multicast
1.6.c.v Multicast boundary, RP announcement filter
1.6.c.vi PIMv6 anycast RP
1.6.c.vii IPv4 anycast RP using MSDP
1.6.c.viii Multicast multipath
2 Software Defined Infrastructure
2.1 Cisco SD Access
2.1.a Underlay
2.1.a.i Manual Manual
2.1.a.ii LAN automation / PnP
2.1.a.iii Device discovery and device management
2.1.a.iv Extended nodes / Policy extended nodes
2.1.b Overlay
2.1.b.i LISP, BGP control planes
2.1.b.ii VXLAN data plane
2.1.b.iii Cisco TrustSec policy plane
2.1.b.iv L2 flooding
2.1.b.v Native multicast
2.1.c Fabric design
2.1.c.i Single-site campus
2.1.c.ii Multi-site
2.1.c.iii Fabric in a box
2.1.d Fabric deployment
2.1.d.i Host onboarding
2.1.d.ii Authentication templates
2.1.d.iii Port configuration
2.1.d.iv Multi-site remote border
2.1.d.v Border priority
2.1.d.vi Adding devices to fabric
2.1.e Fabric border handoff
2.1.e.i SDA, SDWAN, IP transits
2.1.e.ii Peer device (Fusion router)
2.1.e.iii Layer 2 border handoff
2.1.f Segmentation
2.1.f.i Macro segmentation using VNs
2.1.f.ii Micro-level segmentation using SGTs and SGACLs
2.2 Cisco SD-WAN
2.2.a Controller architecture
2.2.a.i Management plane (vManage)
2.2.a.ii Orchestration plane (vBond)
2.2.a.iii Control plane (vSmart)
2.2.b SD-WAN underlay
2.2.b.i WAN cloud edge deployment (AWS, Azure, Google Cloud)
2.2.b.ii WAN edge deployment (hardware)
2.2.b.iii Greenfield, brownfield, and hybrid deployments
2.2.b.iv System configuration (system IP, site ID, org name, vBond address)
2.2.b.v Transport configuration (underlay and tunnel interfaces, allowed services, TLOC extension)
2.2.c Overlay Management Protocol (OMP)
2.2.c.i OMP attributes
2.2.c.ii IPsec key management
2.2.c.iii Route aggregation
2.2.c.iv Redistribution
2.2.c.v Additional features (BGP AS path propagation, SDA integration)
2.2.d Configuration templates
2.2.d.i CLI templates
2.2.d.ii Feature templates
2.2.d.iii Device templates
2.2.e Centralized policies
2.2.e.i Data policies
2.2.e.ii Application-aware routing policies
2.2.e.iii Control policies
2.2.f Localized policies
2.2.f.i Access lists
2.2.f.ii Route policies
3 Transport Technologies and Solutions
3.1 Static point-to-point GRE tunnels
3.2 MPLS
3.2.a Operations
3.2.a.i Label stack, LSR, LSP
3.2.a.ii LDP
3.2.a.iii MPLS ping, MPLS traceroute
3.2.b L3VPN
3.2.b.i PE-CE routing using BGP
3.2.b.ii Basic MP-BGP VPNv4/VPNv6
3.3 DMVPN
3.3.a Troubleshoot DMVPN Phase 3 with dual-hub
3.3.a.i NHRP
3.3.a.ii IPsec/IKEv2 using preshared key
4 Infrastructure Security and Services
4.1. Device security on Cisco IOS XE
4.1.a Control plane policing and protection
4.1.b AAA
4.2. Network security
4.2.a Switch security features
4.2.a.i VACL, PACL
4.2.a.ii Storm control
4.2.a.iii DHCP snooping, DHCP option 82
4.2.a.iv IP Source Guard
4.2.a.v Dynamic ARP Inspection
4.2.a.vi Port security
4.2.b Router security features
4.2.b.i IPv6 traffic filters
4.2.b.ii IPv4 access control lists
4.2.b.iii Unicast Reverse Path Forwarding
4.2.c IPv6 infrastructure security features
4.2.c.i RA Guard
4.2.c.ii DHCP Guard
4.2.c.iii Binding table
4.2.c.iv Device tracking
4.2.c.v ND Inspection/Snooping
4.2.c.vi Source Guard
4.3 System management
4.3.a Device management
4.3.a.i Console and VTY
4.3.a.ii SSH, SCP
4.3.a.iii RESTCONF, NETCONF
4.3.b SNMP (v2c, v3)
4.3.c Logging
4.3.c.i Local logging, syslog, debugs, conditional debugs
4.3.c.ii Configuration change notification and logging
4.3.c.iii Timestamps
4.4 Quality of service
4.4.a Differentiated services architecture
4.4.b Classification, trust boundary
4.4.c Network Based Application Recognition (NBAR)
4.4.d Marking DSCP values in IPv4 and IPv6 headers
4.4.e Policing, shaping
4.4.f Congestion management and avoidance
4.4.g HQoS
4.4.h End-to-end L3 QoS using MQC
4.5 Network services
4.5.a First Hop Redundancy Protocols
4.5.a.i HSRP, VRRP
4.5.a.ii Redundancy using IPv6 RS/RA
4.5.b Time synchronization protocols
4.5.b.i NTP as a client
4.5.b.ii PTP design considerations
4.5.c DHCP on Cisco devices
4.5.c.i Client, server, relay
4.5.c.ii Options
4.5.c.iii SLAAC/DHCPv6 integration
4.5.c.iv Stateful, stateless DHCPv6
4.5.c.v DHCPv6 Prefix Delegation
4.5.d IPv4 Network Address Translation
4.5.d.i Static NAT, PAT
4.5.d.ii Dynamic NAT, PAT
4.5.d.iii Policy-based NAT, PAT
4.5.d.iv VRF-aware NAT, PAT
4.5.d.v VRF-aware Software Infrastructure (VASI) NAT
4.6 Network optimization
4.6.a IP SLA (ICMP, UDP, TCP probes)
4.6.b Tracking objects and lists
4.6.c Flexible NetFlow
4.7 Network operations
4.7.a Traffic capture
4.7.a.i SPAN, RSPAN, ERSPAN
4.7.a.ii Embedded Packet Capture
4.7.b Troubleshooting tools
4.7.b.i Data path packet trace
4.7.b.ii Conditional debugger (debug platform condition)
5 Infrastructure Automation and Programmability
5.1 Data encoding formats
5.1.a JSON
5.1.b XML
5.1.c YAML
5.1.d Jinja
5.2 Automation and scripting
5.2.a EEM applets
5.2.b Guest shell
5.2.b.i Linux environment
5.2.b.ii CLI Python module
5.2.b.iii EEM Python module
5.3 Programmability
5.3.a Interaction with vManage API
5.3.a.i Python requests library and Postman
5.3.a.ii Monitoring endpoints
5.3.a.iii Configuration endpoints
5.3.b Interaction with Cisco DNA Center API using HTTP requests (GET, PUT, POST) via Python requests library and Postman
5.3.c Deploy and verify model-driven telemetry
5.3.c.i Configure on-change subscription using gRPC
