Cisco Networking Academy Program Semester 5 : Routing

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Cisco Networking Academy Program Semester 5
Routing

• Chapter 1
• Overview of Scalable Internetwork

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Overview of Scalable Internetwork

• The Hierarchical Network Design Model
• Key Characteristics of Scalable Internetworks
• Case Study
• Basic Router Configuration Lab Exercises
• Load Balancing Lab Exercises

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Hierarchical Network Design

• Provides modularity
• Core layer High speed switching
• Distribution Policy based connectivity
• Access Local and Remote workgroup access

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Hierarchical Network Design

• Core 12000, 7500, 7200, and 7000
• Distribution4500, 4000, and 3600
• Access 2600, 2500, 1700, and 1600

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The Core Layer

• Fast and reliable
• No access-list or compression
• Redundancy
• Modular equipment
• In WAN (routed) or LAN (switched)

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The Distribution Layer

• Prevents unnecessary traffic to reach the core
• Policy based
• Access-list, route summarization, compression,
  VLAN routing
• Modular equipment

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The Access Layer

• Users access to network
• Local (LAN/LAN) or remote (WAN/LAN)
• Manages security (Authentication, Authorization,
  Accounting)

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Scalable Network

• Reliable and Available 24/7, transparent failure
  recovery
• Responsive Adapts to bandwith demand variation
  (QoS, prioritization, queuing)
• Efficient Best use of bandwith (Compression,
  Broadcast control)
• Adaptable growth potential (physical and
  logical)
• Accessible but Secure Remote access, AAA

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Reliable and Available Network

• Load-balancing
• Redundancy
• Scalable routing protocol
• Tunneling
• Dial-Backup

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Making The Network Efficient (1)

• Access lists
• Snapshot routing
• Compression

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Making The Network Efficient (2)

• Dial-on-demand routing (DDR)
• Route summarization
• Incremental routing updates

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Making The Network Adaptable

• Support for multiple routed protocols
• Support for non-routable protocols
• Redistribution

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Accessible But Secure

• Choose the adapted technology
• Control access to network

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