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1.1 Network theory
- 1.1.a Describe basic software architecture differences between IOS and IOS XE
- 1.1.a [i] Control plane and Forwarding plane
- 1.1.a [ii] Impact to troubleshooting and performances
- 1.1.a [iii] Excluding specific platform's architecture
- 1.1.b Identify Cisco express forwarding concepts
- 1.1.b [i] RIB, FIB, LFIB, Adjacency table
- 1.1.b [ii] Load balancing Hash
- 1.1.b [iii] Polarization concept and avoidance
- 1.1.c Explain general network challenges
- 1.1.c [i] Unicast flooding
- 1.1.c [ii] Out of order packets
- 1.1.c [iii] Asymmetric routing
- 1.1.c [iv] Impact of micro burst
- 1.1.d Explain IP operations
- 1.1.d [i] ICMP unreachable, redirect
- 1.1.d [ii] IPv4 options, IPv6 extension headers
- 1.1.d [iii] IPv4 and IPv6 fragmentation
- 1.1.d [iv] TTL
- 1.1.d [v] IP MTU
- 1.1.e Explain TCP operations
- 1.1.e [i] IPv4 and IPv6 PMTU
- 1.1.e [ii] MSS
- 1.1.e [iii] Latency
- 1.1.e [iv] Windowing
- 1.1.e [v] Bandwidth delay product
- 1.1.e [vi] Global synchronization
- 1.1.e [vii] Options
- 1.1.f Explain UDP operations
- 1.1.f [i] Starvation
- 1.1.f [ii] Latency
- 1.1.f [iii] RTP/RTCP concepts
1.2 Network implementation and operation
- 1.2.a Evaluate proposed changes to a network
- 1.2.a [i] Changes to routing protocol parameters
- 1.2.a [ii] Migrate parts of a network to IPv6
- 1.2.a [iii] Routing protocol migration
- 1.2.a [iv] Adding multicast support
- 1.2.a [v] Migrate spanning tree protocol
- 1.2.a [vi] Evaluate impact of new traffic on existing QoS design
1.3 Network troubleshooting
- 1.3.a Use IOS troubleshooting tools
- 1.3.a [i] debug, conditional debug
- 1.3.a [ii] ping, traceroute with extended options
- 1.3.a [iii] Embedded packet capture
- 1.3.a [iv] Performance monitor
- 1.3.b Apply troubleshooting methodologies
- 1.3.b [i] Diagnose the root cause of networking issue [analyze symptoms, identify and describe root cause]
- 1.3.b [ii] Design and implement valid solutions according to constraints
- 1.3.b [iii] Verify and monitor resolution
- 1.3.c Interpret packet capture
- 1.3.c [i] Using Wireshark trace analyzer
- 1.3.c [ii] Using IOS embedded packet capture
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2.1 LAN switching technologies
- 2.1.a Implement and troubleshoot switch administration
- 2.1.a [i] Managing MAC address table
- 2.1.a [ii] errdisable recovery
- 2.1.a [iii] L2 MTU
- 2.1.b Implement and troubleshoot layer 2 protocols
- 2.1.b [i] CDP, LLDP
- 2.1.b [ii] UDLD
- 2.1.c Implement and troubleshoot VLAN
- 2.1.c [i] Access ports
- 2.1.c [ii] VLAN database
- 2.1.c [iii] Normal, extended VLAN, voice VLAN
- 2.1.d Implement and troubleshoot trunking
- 2.1.d [i] VTPv1, VTPv2, VTPv3, VTP pruning
- 2.1.d [ii] dot1Q
- 2.1.d [iii] Native VLAN
- 2.1.d [iv] Manual pruning
- 2.1.e Implement and troubleshoot EtherChannel
- 2.1.e [i] LACP, PAgP, manual
- 2.1.e [ii] Layer 2, layer 3
- 2.1.e [iii] Load-balancing
- 2.1.e [iv] Etherchannel misconfiguration guard
- 2.1.f Implement and troubleshoot spanning-tree
- 2.1.f [i] PVST+/RPVST+/MST
- 2.1.f [ii] Switch priority, port priority, path cost, STP timers
- 2.1.f [iii] port fast, BPDUguard, BPDUfilter
- 2.1.f [iv] loopguard, rootguard
- 2.1.g Implement and troubleshoot other LAN switching technologies
- 2.1.g [i] SPAN, RSPAN, ERSPAN
- 2.1.h Describe chassis virtualization and aggregation technologies
- 2.1.h [i] Multichassis
- 2.1.h [ii] VSS concepts
- 2.1.h [iii] Alternative to STP
- 2.1.h [iv] Stackwise
- 2.1.h [v] Excluding specific platform implementation
- 2.1.i Describe spanning-tree concepts
- 2.1.i [i] Compatibility between MST and RSTP
- 2.1.i [ii] STP dispute, STP bridge assurance
2.2 Layer 2 multicast
- 2.2.a Implement and troubleshoot IGMP
- 2.2.a [i] IGMPv1, IGMPv2, IGMPv3
- 2.2.a [ii] IGMP snooping
- 2.2.a [iii] IGMP querier
- 2.2.a [iv] IGMP filter
- 2.2.a [v] IGMP proxy
- 2.2.b Explain MLD
- 2.2.c Explain PIM snooping
2.3 Layer 2 WAN circuit technologies
- 2.3.a Implement and troubleshoot HDLC
- 2.3.b Implement and troubleshoot PPP
- 2.3.b [i] Authentication [PAP, CHAP]
- 2.3.b [ii] PPPoE
- 2.3.b [iii] MLPPP
- 2.3.c Describe WAN rate-based ethernet circuits
- 2.3.c [i] Metro and WAN Ethernet topologies
- 2.3.c [ii] Use of rate-limited WAN ethernet services
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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 and troubleshoot redistribution between any routing protocol
- 3.3.i Implement, optimize and troubleshoot manual and 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
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