Training NA2 - Network Switching, VLAN, and Cisco Switch Configuration in Vienna

Switch operation principle

• How does the switch work?
• Why is DMAC the first in the frame?

Switch Forwarding Methods

• Store and Forward
• Cut Through
• Fast Forward
• Fragment Free
• Comparison

Custom network design - hierarchical network model

• Key functions of individual layers
• Access Layer
• Distribution Layer
• Core Layer

Virtual LANs (VLANs)

• Advantages and disadvantages of deployment
• VLAN ID
• Special VLAN types

Connecting VLANs

• TRUNK Port
• IEEE 801.Q Frame Tagging
• Inter-Switch Link (ISL)
• Dynamic Trunking Protocol (DTP)
• Router-On-Stick Topology and Configuration
• Trunking configuration in practice between multiple switches using 802.1Q
• VLAN configuration without a separate router - Catalyst 3550 switch

Multi-Layer Switching

• Connect Cisco Express Forwarding (CEF) with the Catalyst 3550 Switch
• Layer 3 switching
• Switch configuration as a router - Bridge Router (BRouter)
• Connecting BRouter to RIPv2 Routing Topology
• BRouter configuration example using its VLAN interface
• BRouter configuration example using its physical interfaces

Virtual Trunking Protocol (VTP)

• Modes: VTP Server, VTP Client, VTP Transparent, VTP Pruning
• Domain name propagation, advertisments and configuration

Spanning Tree Protocol (STP)

• Principle of action
• Port States
• Port Roles (port roles)
• Bridge ID (BID)
• Bridge Protocol Data Unit (BPDU)
• Selecting the root bridge (price bridge), the cost of the line
• Changing Bridge ID
• Switch priority
• Changing cost of line
• Port Fastu Configuration

Creating efficient switching networks

• Optimization and optimization algorithms of existing solutions
• Switching network patterns

Reduncance and Load Sharing

• Secure network activity in case of router failure
• Reaction to network outages
• First Hop Redundancy Protocols (FHRP)
• Hot Standby Routing Protocol (HSRP)
• Virtual Router Redundancy Protocol (VRRP)
• HSRP and VRRP configuration
• Gateway Load Balancing Protocol (GLBP) Concept

Etherchannel

• Principle of action
• How to tie lines to gain multiple bandwidth increases
• Port Aggregation Protocol (PAg), Link Aggregation Control Protocol (LACP)
• L2 RM OSI redundancy
• L3 RM OSI redundancy

Switch Security

• Router Security
• MAC Flooding Attack
• Port Security Settings
• Sticky MAC Addresses