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Course Overview The course will give attendees awareness of the capabilities of switches at layers two and three and routers. Specifically, those attending the course will configure and troubleshoot switching topics such as VLANs, the Spanning Tree Protocol (including its advanced features), HSRP and security features. For the routing section of the course, attendees will configure and troubleshoot OSPF, EIGRP and RIP networks, and also cover topics such as BGP and route redistribution." Audience Those who are responsible for the day to day maintenance of Cisco switches and routers and those who wish to understand or review the design of their current network. Prerequisites - Delegates must have the CCNA qualification or the equivalent knowledge, as detailed in the outline for the Managing Cisco Network Devices course. Good familiarity with the IOS and knowledge of layer 2 switching and dynamic routing protocols will be useful
- the course will examine switching at layers 2 and 3 as well as dynamic routing protocols such as EIGRP and OSPF in some depth, amongst other topics detailed in the course outline.!
Course Outline Introduction to Switches and Network Design - Network Models: LAN Segmentation, Shared Network, Network Traffic models
- Hierarchical Network Design: Cisco 3 Layer Model
- Multilayer Network Design: Enterprise Composite Network Model
- Switching at layers 2 and 3
- Configuring Ports: Speed and Duplex
- Observing errors with Show commands
- Tables used in switches
VLANs and Trunking - Why use VLANs?
- Configuring VLANs
- VLAN Design
- Trunking: ISL and 802.1q
- Dynamic Trunking Protocol
- VLAN Trunking Protocol
- VTP Checklist
Spanning Tree Protocol and Port Aggregation - STP Design
- Electing the Root Bridge
- How STP works/ Adjusting STP Timers
- Types of STP: PerVLAN STP/ Common Spanning Tree
- Advanced STP Introduction
- PortFast/BPDUGuard/BPDUFilter
- UplinkFast and BackboneFast
- RootGuard/LoopGuard/UDLD
- Rapid STP and Multiple STP
- Port Aggregation: EtherChannel
InterVLAN Routing and HSRP - Types of Interfaces: SVI and switchports
- Configuring InterVLAN Routing
- Static Routes and Dynamic Routing
- Protocols
- CEF
- HSRP: Active/Active and Active/Standby redundancy
- Configuring and Troubleshooting HSRP
Securing Switches - Securing access to ports: Port Security
- Mitigating Spoofing Attacks
- Disabling unnecessary services
- Access Lists
- VLAN Access Lists
- Securing Trunks
Overview of IP Telephony and Wireless - Power over Ethernet
- Voice VLANs
- QoS for Voice
- IntServ and DiffServ
- Wireless Overview
- Collision Avoidance in a WLAN
- WLAN Standards
Routing Principles - Introduction to Routing
- Static and Default Routes
- Dynamic Routing Overview
- Metrics and Administrative Distances
- Logical Interfaces: Null and Loopback
- Classless vs Classful Routing
- IP Design: Subnetting and Route Summarisation
- RIP and RIPv2
- RIPv2 and authentication
Enhanced Interior Gateway Routing Protocol - How EIGRP works
- Why use EIGRP?
- Configuring and Verifying EIGRP
- EIGRP and authentication
- EIGRP Load Balancing: Variance
- EIGRP and Route Summarisation
- EIGRP and Stuck in Active
Open Shortest Path First Protocol - How OSPF works
- OSPF vs EIGRP
- OSPF Network Types: Broadcast/ Point to Point/NBMA
- Configuring and Verifying OSPF
- OSPF and authentication
- OSPF Design: Single area and Multiple areas
- OSPF and Route Summarisation
- Advanced OSPF: Stub/Totally Stubby/Not so Stubby
Route Redistribution, Filtering routes and DHCP - When Route Redistribution is used
- Redistributing routes using OSPF, EIGRP, RIPv2
- Filtering Traffic: Distribute Lists
- Filtering Traffic: Route Maps
- Configuring DHCP on a router
- IP Helper address for routers and Layer 3 switches
Border Gateway Protocol - BGP: the exterior routing protocol
- BGP Concepts, Configuration and Verification
- IBGP and EBGP
- BGP Messages and Attributes
- BGP and Route Maps
Multicast - Multicast Introduction: Multicast vs Unicast/Broadcast
- IGMP: versions 1,2,3 and CGMP
- PIM: Sparse Mode/Dense Mode and Sparse/Dense Mode
- Multicasts in a LAN: IGMP Snooping
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