Cisco Internetworking

Review of Cisco architecture

• Router components and functionality
• Configuring physical and virtual interfaces
• Working with a configuration server

Routing and addressing

• Comparing connected, static, default and dynamic routes
• IP subnetting with VLSM
• Public and private address spaces
• Tunnelling private addresses over a public network

Advanced IP Routing Protocols

Enhanced IGRP

• EIGRP design objectives and terminology
• Comparing EIGRP with RIP and OSPF
• Optimising EIGRP operation for medium and large networks
• Troubleshooting EIGRP configuration

Scalable link state routing with OSPF

• Using and configuring link state metrics
• Setting up a simple OSPF network
• Adding structure with areas
• Optimising inter-area address allocation

Tuning OSPF

• Minimising adjacencies on broadcast networks with Designated Routers
• Choosing the Backup Designated Router (BDR)
• Reducing database re-computation using areas
• Configuring stub, totally stubby and not-so-stubby areas
• Selecting the best stub area type
• Reviewing OSPF configuration on frame relay networks

Deploying Large-scale IP Networks

Managing large address spaces

• Realising good address space design
• Summarising addressing information
• Configuring route summarisation
• Working with route redistribution

Exploiting Network Address Translation (NAT)

• Local and global address spaces
• Setting inside and outside interfaces
• Configuring Dynamic NAT
• Overloading a NAT pool
• Basing NAT on the external interface address

Improving Network Security

Employing IP standard access lists for address filtering

• Implementing simple security policies on a firewall router
• Filtering traffic from selected sources
• Preventing unwanted access to your router
• Limiting routing advertisements
• Configuring numbered and names access lists

Controlling applications traffic with IP extended access lists

• Assessing the effects of filtering based on transport protocol and port numbers
• Applying filtering to selected application traffic
• Permitting network control packets
• Limiting TCP sessions based on their directional traffic flow
• Implementing dynamic session filtering with reflexive access lists

Multiservice IP

• Evaluating the effects of default queuing schemes on different traffic types
• Selecting a queuing mechanism: FIFO, WFQ, PQ, CBQ
• Applying appropriate QoS support to ensure application integrity
• Managing network congestion with RED and WRED
• Setting and tuning QoS parameters on Cisco routers

Interfacing with External Networks

• Differentiating between external and internal routing protocols
• Connecting stub and multi-homed autonomous systems to the Internet using BGP-4
• Evaluating external and internal BGP
• Configuring a BGP autonomous system