- 1.0 Network Infrastructure
- 2.0 Software Defined Infrastructure
- 3.0 Transport Technologies and Solutions
- 4.0 Infrastructure Security and Services
- 5.0 Infrastructure Automation and Programmability
- その他
- 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)
- IPv6
- Routing Information Protocol (RIP)
- Intermediate System to Intermediate System (IS-IS)
- Device Management
- Logging
- NTP
- Embedded Event Manager (EEM)
- Auto-Install
- Network Address Translation (NAT)
- Traffic Accounting
- Netflow
- TCP Optimization
- IOS Small Services and Finger
- Directed Broadcasts and UDP Forwarding
- IP Event Dampening
- Director Response Protocol
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
- Chapter: Configuring CDP
- Chapter: Configuring LLDP, LLDP-MED, and Wired Location Service
- [NOTE] Discovery Protocols
1.1.b ii UDLD
- Chapter: Configuring UDLD
- [RFC] Cisco Systems UniDirectional Link Detection (UDLD) Protocol
- [NOTE] Unidirectional Link Detection (UDLD)
1.1.c VLAN technologies
1.1.c i Access ports
1.1.c ii Trunk ports (802.1Q)
- IEEE 802.1Q Frame
- Trunking Between Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches Using 802.1Q Encapsulation with Cisco CatOS System Software
- [NOTE] Dynamic Trunking Protocol (DTP)
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
- [NOTE] Standard and Extended VLAN
1.1.c vii Voice VLAN
1.1.c viii VTP
1.1.d EtherChannel
- Chapter: Configuring EtherChannels and Link-State Tracking
- Understanding EtherChannel Inconsistency Detection
- [NOTE] Layer 2 EtherChannel
- [NOTE] Layer 3 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
- [NOTE] EtherChannel Misconfig Guard
1.1.e Spanning- Tree Protocol
- Chapter: Configuring STP
- [NOTE] Spanning-Tree Protocol (STP)
- [NOTE] Rapid Spanning-Tree Protocol (RSTP)
- [NOTE] Multiple Spanning-Tree Protocol (MSTP)
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
- Chapter: Configuring Optional Spanning-Tree Features
- [NOTE] Spanning-Tree Protocol Optional Features
1.2 Routing Concepts
1.2.a Administrative distance
- What Is Administrative Distance?
- Route Selection in Cisco Routers
- Adjust Administrative Distance for Route Selection in Cisco IOS Routers Configuration Example
1.2.b VRF-lite
- Multi-VRF Support (VRF Lite)
- VPN Routing and Forwarding (VRF)-Lite Software Configuration Guide for Cisco 1000 Series Connected Grid Routers (Cisco IOS)
- [NOTE] OSPF and VRF Lite
1.2.c Static routing
- Chapter: Configuring IP Routing Protocol-Independent Features
- Specify a Next Hop IP Address for Static Routes
- Static Routes With Next Hop As An Exit Interface Or An IP Address
- [NOTE] Static Routing
1.2.d Policy Based Routing
- Chapter: Policy-Based Routing
- Chapter: Policy-Based Routing Default Next-Hop Routes
- Chapter: PBR Support for Multiple Tracking Options
- Chapter: PBR Match Track Object
- [NOTE] Policy-Based Routing (PBR)
1.2.e VRF aware routing with any routing protocol
- [CiscoLive] VRF, MPLS and MP-BGP Fundamentals – BRKCRT-2601
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
- Chapter: EIGRP
- Enhanced Interior Gateway Routing Protocol
- [RFC] Cisco’s Enhanced Interior Gateway Routing Protocol (EIGRP)
- IP EIGRP Route Authentication
- EIGRP/SAF HMAC-SHA-256 Authentication
- Chapter: EIGRP Prefix Limit Support
- Configuring a Gateway of Last Resort Using IP Commands
- Preventing Duplicate EIGRP Router IDs
- Chapter: EIGRP Route Tag Enhancements
- Chapter: EIGRP Support for Route Map Filtering
- Chapter: EIGRP Over the Top
- Troubleshoot Common EIGRP Issues
- [NOTE] Enhanced Interior Gateway Routing Protocol (EIGRP)
- [NOTE] EIGRP for IPv6
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)
- OSPF Design Guide
- Chapter: Configuring OSPF
- OSPF: Frequently Asked Questions
- [RFC] OSPF Version 2
- Problems with Running OSPF in NBMA and Broadcast Mode over Frame Relay
- Common Routing Problem with OSPF Forwarding Address
- Chapter: OSPF Mechanism to Exclude Connected IP Prefixes from LSA Advertisements
- Chapter: OSPF Limit on Number of Redistributed Routes
- Chapter: OSPF Area Transit Capability
- [NOTE] Open Shortest Path First (OSPF)
- [NOTE] Open Shortest Path First version 3 (OSPFv3)
1.4.a Adjacencies
- OSPF Neighbor States
- OSPF Virtual Link
- Chapter: OSPFv2 Cryptographic Authentication
- Configuring OSPF Authentication on a Virtual Link
1.4.b Network types, area types
- ip ospf network
- neighbor (OSPF)
- OSPF Not-So-Stubby Area (NSSA)
- [RFC] The OSPF Not-So-Stubby Area (NSSA) Option
1.4.c Path preference
- The Effects of the Forwarding Address on Type 5 LSA Path Selection
- [BLOG] Understanding OSPF External Route Path Selection
1.4.d Operations
1.4.d i General operations
- OSPF reliable conditional default routing
- How Does OSPF Generate Default Routes?
- Chapter: OSPF Inbound Filtering Using Route Maps with a Distribute List
1.4.d ii Graceful shutdown
- [RFC] Graceful OSPF Restart
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
- Chapter: OSPF Shortest Path First Throttling
- Chapter: OSPF Link-State Advertisement Throttling
- Chapter: OSPF Update Packet-Pacing Configurable Timers
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
- BGP 4
- BGP Case Studies
- BGP: Frequently Asked Questions
- Configuring a Basic BGP Network
- Configuring Internal BGP Features
- Understanding Redistribution of OSPF Routes into BGP
- BGP Conditional Route Injection
- IPv6 Routing: Multiprotocol BGP Extensions for IPv6
- Multiprotocol BGP for IPv6 Configuration Example
- [NOTE] Border Gateway Protocol (BGP)
- [NOTE] redistribute match and route-map
1.5.a IBGP and EBGP peer relationships
- Sample Configuration for iBGP and eBGP With or Without a Loopback Address
- MD5 Authentication Between BGP Peers Configuration Example
- BGP Support for TTL Security Check
- Configuring BGP Neighbor Session Options
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
- Configuring the BGP Local-AS Feature
- Removing Private Autonomous System Numbers in BGP
- Sample Configuration for Removing Private AS Numbers in BGP
- Allowas-in Feature in BGP Configuration Example
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
- Understanding BGP AS-Override Feature
- BGP fast-external-fallover Command Overview
- BGP Support for Next-Hop Address Tracking
- BGP の Next-Hop Tracking の動作について
- BGP PIC Edge for IP and MPLS-VPN
1.5.f i Multipath, add-path
1.5.f ii Soft reconfiguration, Route Refresh
1.6 Multicast
1.6.a Layer 2 multicast
- [RFC] Host Extensions for IP Multicasting
- [RFC] Internet Group Management Protocol, Version 2
- [RFC] Internet Group Management Protocol, Version 3
- Configuring IGMP Snooping and MVR
- Customizing IGMP
- Configuring IGMP Proxy
- [NOTE] Internet Group Management Protocol (IGMP)
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
- Configuring Basic IP Multicast
- Configuring IP Multicast Routing
- Configuring a Rendezvous Point
- Rendezvous Point Engineering
- [RFC] PIM Group-to-Rendezvous-Point Mapping
- Using IP Multicast Over Frame Relay Networks
- Multicast over a GRE Tunnel
- [NOTE] IP Multicast
- [NOTE] Stub Multicast Routing
- [NOTE] Multicast Helper Map
- [NOTE] Multicast MAC Address
- [NOTE] Multicast PIM Message Type
- [NOTE] IPv6 Multicast Routing
1.6.c i Sparse Mode
1.6.c ii Static RP, BSR, AutoRP
- AutoRP Enhancement
- PIM Auto-RP Behavior with Other RP Distribution Techniques in SM Domain Configuration Example
- How to Implement a Filtering Policy for Rendezvous Points
- AutoRP Enhancement
1.6.c iii Group to RP Mapping
1.6.c iv Bidirectional PIM
- [NOTE] 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
- Anycast RP
- Using MSDP to Interconnect Multiple PIM-SM Domains
- Multicast Source Discovery Protocol SA Filter Recommendations
- [NOTE] Anycast RP
- [NOTE] Multicast Source Discovery Protocol (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
- Any Transport over MPLS
- [NOTE] MPLS-VPN
- [NOTE] MPLS-VPN パケットの区別
3.1.a Operations
3.1.a i Label stack, LSR, LSP
3.1.a ii LDP
- MPLS Label Distribution Protocol (LDP)
- Configuring MPLS LDP Label Filtering
- [NOTE] MPLS Label Filtering
- [NOTE] LDP Peer が張れない
- [NOTE] LDP TCPコネクションはどちらから張るか?
3.1.a iii MPLS ping, MPLS traceroute
3.1.b L3VPN
- Multi-VRF Support (VRF Lite)
- MP-EBGP Configuration Example
- MPLS Virtual Private Networks
- Internet Access from an MPLS VPN Using a Global Routing Table
- Providing Internet Access for MPLS L3 VPNs
- [NOTE] MPLS Internet Access
3.1.b i PE-CE routing
- Multiprotocol BGP MPLS VPN
- [NOTE] VPN MPLS-VPN as-override
- [NOTE] MPLS BGP SoO Attribute
- MPLS VPN OSPF PE and CE Support
- OSPF Sham-Link Support for MPLS VPN
- [NOTE] MPLS-VPN PE-CE Routing with OSPF
- [NOTE] MPLS OSPF Sham-Link
- [NOTE] MPLS OSPF Downward
- [NOTE] VPN OSPF ROUTE TYPE / ROUTER ID / DOMAIN ID
- MPLS VPN Support for EIGRP Between PE and CE
- EIGRP MPLS VPN PE-CE Site of Origin (SoO)
- BGP コスト コミュニティ
- [NOTE] MPLS VPN Support for EIGRP Between PE and CE
- [NOTE] MPLS EIGRP Site-of-Origin
- Configuring MPLS Basic VPN with RIP on Customer Side
- [NOTE] MPLS-VPN PE-CE Routing with RIP
- [NOTE] MPLS-VPN PE-CE Routing with Static
3.1.b ii MP-BGP VPNv4/VPNv6
3.1.b iii Extranet (route leaking)
3.2 DMVPN
- An Introduction to IP Security (IPSec) Encryption
- Phase 1 Authenticated With a Pre-Shared Key
- Configuration Professional: Site-to-Site IPsec VPN Between Two IOS Routers Configuration Example
- IPsec Troubleshooting: Understanding and Using debug Commands
- GRE over IPSecVPN を用いた LAN-to-LAN 接続設定例
- IPsec Troubleshooting: Understanding and Using debug Commands
- IPsec Virtual Tunnel Interface
- Cisco Group Encrypted Transport VPN
- Dynamic Multipoint VPN(DMVPN)デザイン ガイド(バージョン 1.1)
- DMVPNを用いたフルメッシュIPSec VPN接続設定例
- Dynamic Multipoint IPsec VPN(マルチポイント GRE/NHRP を使用した IPsec VPN のスケーリング)
- Most Common DMVPN Troubleshooting Solutions
- Shortcut Switching Enhancements for NHRP in DMVPN Networks
- Configure Phase-3 Hierarchical DMVPN with Multi-Subnet Spokes
- [NOTE] IPsec LAN-to-LAN
- [NOTE] IPsec LAN-to-LAN IPsec over GRE
- [NOTE] IPsec LAN-to-LAN Static VTI
- [NOTE] Dynamic Multipoint VPN (DMVPN)
- [NOTE] DMVPN Phase 1, 2 & 3
- [NOTE] Tunnel VRF and Crypto Keyring
3.2.a Troubleshoot DMVPN Phase 3 with dual-hub
3.2.a i NHRP
- Configuring NHRP
- NHRP の設定
- [NOTE] DMVPN 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
- Configuring IP Services
- Configuring TCP Intercept (Preventing Denial-of-Service Attacks)
- [NOTE] TCP Intercept
- IP Source Tracker
- ACL IP Options Selective Drop
- [NOTE] IOS ACL Selective IP Option Drop
- Flexible Packet Matching
- AutoInstall Using DHCP for LAN Interfaces
- Using AutoInstall and Setup
- [NOTE] Layer 2 Security
- [NOTE] Controlling Terminal Line Access
4.1 Device Security on Cisco IOS XE
- TACACS+ と RADIUS の比較
- An Access Control Protocol, Sometimes Called TACACS
- [NOTE] AAA with TACACS+ and RADIUS
4.1.a Control plane policing and protection
- ICMP Unreachable Destination Counters
- Internet Control Message Protocol (ICMP) Parameters
- Control Plane Policing
- コントロール プレーン保護
- Control Plane Protection
4.1.b AAA
- Configuring Basic AAA on an Access Server
- Configuring Authentication
- Cisco IOS Login Enhancements-Login Block
- Cisco IOS Resilient Configuration
- Cisco IOS Resilient Configuration(日本語)
- Role-Based CLI Access
- [NOTE] AAA Authentication Lists
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
- Configuring IP Access Lists
- Access Control Lists and IP Fragments
- Standard IP Access List Logging
- [NOTE] Traffic Filtering Using Extended Access-Lists
- [NOTE] Traffic Filtering Using Reflexive Access-Lists
- [NOTE] Filtering Packets with Dynamic Access-Lists
- [NOTE] Filtering Traffic with Time-Based Access Lists
4.2.b iii Unicast Reverse Path Forwarding
- Configuring Unicast Reverse Path Forwarding
- Unicast Reverse Path Forwarding Loose Mode
- uRFPでのACL設定について
- [NOTE] Preventing Packet Spoofing with uRPF
4.2.c IPv6 infrastructure security features
- [NOTE] IPv6 Traffic Filter
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
- Managing Connections Menus and System Banners
- service tcp-keepalives を使用してハングした Telnet のセッションをクリアする方法
- Creating Core Dumps
- すべてのCiscoルータのバッファチューニング
- HTTP 1.1 Web Server and Client
- CPU しきい値通知の設定
- メモリしきい値通知の定義
- [NOTE] HTTP Server and Client
- [NOTE] FTP Server and Client
4.3.a i Console and VTY
- [NOTE] Telnet Service Options
- [NOTE] Terminal Line Settings
4.3.a ii SSH, SCP
4.3.a iii RESTCONF, NETCONF
4.3.b SNMP
- Configuring SNMP
- [NOTE] SNMPv2 Server
- [NOTE] SNMPv2c Access Control
- [NOTE] SNMP Traps and Informs
- [NOTE] CPU and Memory Thresholds
4.3.b i v2c
4.3.b ii v3
4.3.c Logging
- Configuring System Message Logging and Smart Logging
- コンフィギュレーション変更通知およびロギ ング
- IP Access List Overview
- [NOTE] System Message Logging
- [NOTE] Logging with Access-Lists
4.3.c i Local logging, syslog, debugs, conditional debugs
4.3.c ii Timestamps
4.4 Quality of Service
- Understanding and Tuning the tx-ring-limit Value
- [NOTE] Hold-Queue and Tx-Ring
- Quality of Service Options on GRE Tunnel Interfaces
- Applying QoS Features to Ethernet Subinterfaces
- Understanding Data Compression
- WAN Compression FAQs
- Header Compression
- Configuring RTP Header Compression
- Configuring TCP Header Compression
- Configuring Class-Based RTP and TCP Header Compression
- Configuring Header Compression Using IPHC Profiles
- Configuring Link Fragmentation and Interleaving for Multilink PPP
- QOS を実装した PPP リンク上での VoIP(LLQ / IP RTP プライオリティ、LFI、cRTP)
- Frame Relay Voice-Adaptive Traffic Shaping and Fragmentation
- Cisco 12000シリーズインターネットルータでのMDRRとWREDの説明と設定
- [NOTE] QoS Modified Deficit Round Robin
- [NOTE] QoS MEMO
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
- Policing and Shaping Overview
- Regulating Packet Flow on a Per-Interface Basis Using Generic Traffic Shaping
- Percentage-Based Policing and Shaping Based on Bandwidth
- QOS question Shape peak and Shape average
- Traffic Policing
- Single-Rate Color Marker for Traffic Policing
- Two-Rate Policer
- Modular QoS CLI Three-Level Hierarchical Policer
- [NOTE] MQC Single-Token Dual-Token
- [NOTE] MQC Single-Rate Two-Rate
- [NOTE] MQC Hierarchical Policers
- [NOTE] MQC Bandwidth Reservations
4.4.a vii Congestion management and avoidance
- Configuring Weighted Fair Queueing
- [NOTE] Weighted Fair Queuing (WFQ)
- Class-Based Weighted Fair Queueing and Weighted Random Early Detection
- Comparing the bandwidth and priority Commands of a QoS Service Policy
- Low Latency Queueing with Priority Percentage Support
- [NOTE] QoS Congestion Management
- Congestion Avoidance Overview
- Configuring Weighted Random Early Detection
- WRED-Explicit Congestion Notification
- Understanding Selective Packet Discard (SPD)
- 選択パケット廃棄(SPD)の理解
- [NOTE] MQC WRED
- [NOTE] MQC Dynamic Flows and WRED
- [NOTE] MQC WRED with ECN
- [NOTE] Selective Packet Discard
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
- Configuring the Cisco IOS DHCP Server
- DHCP Client
- Dynamic Host Configuration Protocol
- Configuring the Cisco IOS DHCP Relay Agent
- Configuring the DHCP Server On-Demand Address Pool Manager
- Configuring DHCP Enhancements for Edge-Session Management
- IPv6 クライアント IP アドレス ラーニングの設定
- DHCPv6 Server Stateless Autoconfiguration
- IPv6 Access Services:Stateless DHCPv6
- IPv6 Access Services: DHCPv6 Prefix Delegation
- [NOTE] DHCP & ACL
- [NOTE] DHCP ip dhcp use
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
- ネットワークアドレス変換の設定:スタートアップガイド
- NAT:ローカルおよびグローバルの定義
- NATの処理順序
- Cisco Network Address Translation(NAT; ネットワーク アドレス変換)に関する FAQ
- NATにおけるAlias作成動作について
- Using NAT in Overlapping Networks
- Configuring NAT for IP Address Conservation
- ハイアベイラビリティ用NATの設定
- ステートフルNATのスケーラビリティ
- NAT Virtual Interface aka NVI, what is that?!
- Using Application-Level Gateways with NAT
- [NOTE] NAT Default Interface
- [NOTE] Reversible NAT
4.5.d i Static NAT, PAT
- [NOTE] Static NAT
- [NOTE] Static PAT
- [NOTE] Static NAT and IP Aliasing
4.5.d ii Dynamic NAT, PAT
- [NOTE] Dynamic NAT
- [NOTE] Dynamic PAT
4.5.d iii Policy-based NAT, PAT
- [NOTE] NAT with Route Maps
- [NOTE] Static Policy NAT
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
- Cisco IOS NetFlow Overview
- Getting Started with Configuring Cisco IOS NetFlow and NetFlow Data Export
- Configuring NetFlow and NetFlow Data Export
- Configuring NetFlow Top Talkers using Cisco IOS CLI Commands or SNMP Commands
- Configuring NetFlow Aggregation Caches
- Using NetFlow Filtering or Sampling to Select the Network Traffic to Track
- Using NetFlow Filtering or Sampling to Select the Network Traffic to Track
4.7 Network operations
4.7.a Traffic capture
- Configuring SPAN and RSPAN
- Configuring ERSPAN
- SPAN、 RSPAN 、 ERSPAN の解説
- [NOTE] Switched Port Analyzer (SPAN)
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
その他
Fallback Bridging
Smartport Macros
Point-to-Point Protocol (PPP)
- Understanding debug ppp negotiation Output
- Troubleshooting PPP (CHAP or PAP) Authentication
- トラブルシューティング:PPP(CHAP または PAP)認証
- Configuring and Troubleshooting PPP Password Authentication Protocol (PAP)
- PPP CHAP 認証の説明と設定
- PPP over Ethernet Client
- A Method for Transmitting PPP Over Ethernet (PPPoE)
- [NOTE] Point-to-Point Protocol (PPP)
- [NOTE] PPPoE 設定例
- [NOTE] PPP IP address allocated from dhcp-pool
Address Resolution Protocol
- Address Resolution Protocol
- ARP FAQ: Why are some dynamic ARP entries still present in the ARP table after the respective ARP timeout has expired?
- [NOTE] Address Resolution Protocol (ARP)
Default Routing
- Configuring IP Routing Protocol-Independent Features
- Configuring a Gateway of Last Resort Using IP Commands
Cisco Express Forwarding (CEF)
Backup Interface
On Demand Routing
Generic Routing Encapsulation (GRE)
- How GRE Keepalives Work
- How to configure a GRE tunnel
- Why Can’t I Browse the Internet when Using a GRE Tunnel?
- GRE Tunnel Interface States and What Impacts Them
- The “%TUN-5-RECURDOWN” Error Message and Flapping EIGRP/OSPF/BGP Neighbors Over a GRE Tunnel
- [NOTE] Generic Routing Encapsulation (GRE)
Passive Interfaces
Performance Routing (PfR)
IPv6
- IPv6 Unicast Routing
- Understanding IPv6 EUI-64 Bit Address
- IPv6 Neighbor Discovery
- IPv6 Stateless Autoconfiguration
- Understand “include-connected” keyword use in IPv6 redistribution
- IPv6 ACL Extensions for Hop by Hop Filtering
- NAT-PT for IPv6
- IPv6 Routing: Multiprotocol BGP Extensions for IPv6
- IPv6 Generic Prefix
- IPv6 Tunnel through an IPv4 Network
- Implementing Tunneling for IPv6
- [NOTE] IPv6 Redistribution
- [NOTE] IPv6 general-prefix
- [NOTE] IPv6 Tunneling
Routing Information Protocol (RIP)
- Configuring Routing Information Protocol
- [NOTE] Routing Information Protocol (RIP)
- IPv6 Routing: RIP for IPv6
- IPv6 Routing: Route Redistribution
- [NOTE] RIP for IPv6
Intermediate System to Intermediate System (IS-IS)
Device Management
- TFTP Server and Client
- SNMPv3
- SNMP MAC Address Notifications
- SNMP Notifications of Syslog Messages
Logging
- Syslog Logging
- Counting and Timestamps
- Logging to Flash Memory
- Configuration Change Notification and Logging
- Configuration Archive and Rollback
NTP
- 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
Auto-Install
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
- NAT ALG
Traffic Accounting
- Configuring IP Services
- [NOTE] Traffic Accounting
- [NOTE] IP Precedence Accounting
- [NOTE] IP Output Packet Accounting
- [NOTE] IP Access Violation Accounting
- [NOTE] MAC Address Accounting
Netflow
- Netflow v5 & v9
- Netflow Ingress and Egress
- Netflow Top Talkers
- Netflow Aggregation Cache
- Netflow Input Filters
- Netflow Random Sampling
- Netflow Export
TCP Optimization
- TCPの設定
- [NOTE] TCP Optimization
IOS Small Services and Finger
Directed Broadcasts and UDP Forwarding
- Configuring IPv4 Broadcast Packet Handling
- Configuring UDP Forwarding Support for IP Redundancy Virtual Router Groups
IP Event Dampening
Cisco IOS Software Releases 12.0 S
IP Routing: Protocol-Independent Configuration Guide, Cisco IOS Release 15M&T
Director Response Protocol
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