CCIE Enterprise Infrastructure Exam Blueprint

Cisco Learning Network

1.0 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.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

2.0 Software Defined Infrastructure

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 (only QoS)
2.2.e Centralized policies
2.2.e i Application Aware Routing
2.2.e ii Topologies

3.0 Transport Technologies and Solutions

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.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

4.0 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.a vii Private VLAN

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

4.2.d IEEE 802.1X Port-Based Authentication

4.2.d i Device roles, port states
4.2.d ii Authentication process
4.2.d iii Host modes

4.3 System Management

4.3.a Device management

4.3.a i Console and VTY

4.3.a ii SSH, SCP

4.3.b SNMP

4.3.b i v2c
4.3.b ii v3
4.3.c Logging

4.3.c i Local logging, syslog, debugs, conditional debugs
4.3.c ii Timestamps

4.4 Quality of Service

4.4.a End to end L3 QoS using MQC
4.4.a i DiffServ
4.4.a ii CoS and DSCP Mapping
4.4.a iii Classification

4.4.a iv Network Based Application Recognition (NBAR)

4.4.a v Marking using IP Precedence, DSCP, CoS

4.4.a vi Policing, shaping

4.4.a vii Congestion management and avoidance

4.4.a viii HQoS, Sub-rate Ethernet Link

4.5 Network Services

4.5.a First-Hop Redundancy Protocols

4.5.a i HSRP, GLBP, VRRP

4.5.a ii Redundancy using IPv6 RS/RA
4.5.b Network Time Protocol

4.5.b i Master, client
4.5.b ii Authentication
4.5.c DHCP on Cisco IOS

4.5.c i Client, server, relay
4.5.c ii Options
4.5.c iii SLAAC/DHCPv6 interaction
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 IOS-XE VRF-Aware Software Infrastructure (VASI) NAT

4.6 Network optimization

4.6.a IP SLA

4.6.a i ICMP probes
4.6.a ii UDP probes
4.6.a iii TCP probes
4.6.b Tracking object

4.6.c Flexible Netflow

4.7 Network operations

4.7.a Traffic capture

4.7.a i SPAN
4.7.a ii RSPAN
4.7.a iii ERSPAN
4.7.a iv Embedded Packet Capture

4.7.b Cisco IOS-XE troubleshooting tools
4.7.b i Packet Trace
4.7.b ii Conditional debugger (debug platform condition)

5.0 Infrastructure Automation and Programmability

5.1 Data encoding formats

5.1.a JSON
5.1.b XML
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
5.3.b i HTTP request (GET, PUT, POST) via Python requests library and Postman
5.3.c Interaction with Cisco IOS XE API
5.3.c i Via NETCONF/YANG using Python ncclient library
5.3.c ii Via RESTCONF/YANG using Python requests library and Postman
5.3.d Deploy and verify model-driven telemetry
5.3.d i Configure on-change subscription using gRPC


Fallback Bridging

Smartport Macros

Point-to-Point Protocol (PPP)

Address Resolution Protocol

Default Routing

Cisco Express Forwarding (CEF)

Backup Interface

On Demand Routing

Generic Routing Encapsulation (GRE)

Passive Interfaces

Performance Routing (PfR)


Routing Information Protocol (RIP)

Intermediate System to Intermediate System (IS-IS)

Device Management

  • TFTP Server and Client
  • SNMPv3
  • SNMP MAC Address Notifications
  • SNMP Notifications of Syslog Messages


  • Syslog Logging
  • Counting and Timestamps
  • Logging to Flash Memory
  • Configuration Change Notification and Logging
  • Configuration Archive and Rollback


  • NTP Access Control
  • NTP Version 3 & 4

Embedded Event Manager (EEM)

  • KRON Command Schedule
  • Scripting Interface Events
  • Scripting Syslog Events
  • Scripting CLI Events
  • Scripting Periodic Scheduling
  • Scripting Advanced Features
  • Applets


Network Address Translation (NAT)

  • NAT with Overlapping Subnets
  • TCP Load Distribution with NAT
  • Stateful NAT with HSRP
  • Stateful NAT with Primary/Backup
  • NAT Virtual Interface
  • Static Extendable NAT

Traffic Accounting


  • Netflow v5 & v9
  • Netflow Ingress and Egress
  • Netflow Top Talkers
  • Netflow Aggregation Cache
  • Netflow Input Filters
  • Netflow Random Sampling
  • Netflow Export

TCP Optimization

IOS Small Services and Finger

Directed Broadcasts and UDP Forwarding

IP Event Dampening

Cisco IOS Software Releases 12.0 S

IP Routing: Protocol-Independent Configuration Guide, Cisco IOS Release 15M&T

Director Response Protocol