1387 Network courses in Cardiff delivered Live Online

Duration 5 Days 30 CPD hours This course is intended for Ideal candidates are IT Professionals who deploy small-to-medium scale enterprise network solutions based on Aruba products and technologies. Overview Network Fundamentals Review Aruba Switching portfolio ArubaOS-CX Network Operating System VLANs Spanning Tree Protocol VRRP Link Aggregation IP Routing Subnetting OSPFv2 - Single Area Stacking using VSF Secure Management and Maintenance Aruba NetEdit Teaches you the fundamental skills necessary to configure and manage modern, open standards-based networking solutions using Aruba's OS-CX routing & switching technologies. This course consists of approximately 60% lecture and 40% hands-on lab exercises Network Fundamentals What is a network? What is a Protocol? OSI Reference Model Encapsulation, frames, packets, segments Layer 2 to Layer 7 headers Media, cabling, Ethernet/wifi headers Binary/Hex/Decimal theory and conversion TCP/IP Stack (IP addressing & Transport Protocols TCP/UDP) Types of traffic: Unicast, Broadcast, Multicast TCP/IP Stack Overview Ethernet frames IPv4 Header TCP Header ? Three-way Handshake TCP Header ? Sequence Numbers TCP Header ? Port Numbers TCP Header UPD Header Basic Networking with Aruba Solutions Networking devices: Switches, Routers, Multilayer Switches, APs, Mobility Controllers, Firewalls, Servers (HTTP, DHCP, DNS, Telnet, FTP) 2-Tier vs 3-Tier hierarchy Switching Portfolio (AOS switches & AOS-CX switches) is this introducing both portfolio on a couple of slide and few slides on AOS-CX hardware architecture, software architecture and intro to NAE high level. Introduction to AOS-CX and feature set Port numbering Accessing Aruba OS-CX CLI Prompt modes/levels and navigation Context sensitive help Show logs, configuration, interfaces, transceivers, flash, version Hostname/interface name, enabling interfaces Link Layer Discovery Protocol ICMP and reachability testing tools: Ping and Traceroute PoE (standards one slide and what we support and one or two slide on configuration VLANs Broadcast/collision domains VLAN benefits VLAN creation DHCP server configuration in switches (optional) 802.1Q tagging Switchports vs. Routed ports MAC address table ARP table Packet Delivery part 1 Spanning Tree Protocol Redundant network L2 loops 802.1D Common Spanning Tree 802.1s 802.1w overview 802.1w load balancing 802.1w region configuration Link Aggregation Static Aggregation LACP Load Balancing IP Routing - Part 1 Default Gateway DHCP IP Helper Address IP Routing Service Inter-VLAN routing Packet Delivery Part 2 Need for layer 3 redundancy Introduction to VRF VRRP VRRP overview VRRP basic operation VRRP failover and preempt VRRP and MSTP coordination IP Routing - Part 2 Subnetting CIDR Static routes Administrative Distance Floating routes Scalability issues IP Routing - Part 3 IGP vs EGP Distance Vector vs Link State OSPF Router-ID and Hello Messages Passive interfaces States DR and BDR LSDB: LSA 1 and 2 Path selection and convergence Using cost to manipulate routes Stacking Control Plane, Management Plane, and Data Plane Introduction to Stacking technologies Stacking Benefits Centralized control and management plane Distributed Data Plane and Distributed Link Aggregation VSF VSF requirements VSF Link and member roles VSF member IDs and port numbers VSF Configuration VSF Provisioning use cases Tracing Layer 2 traffic: Unicast Tracing Layer 2 traffic: Broadcast, Multicast, and Unknown Unicast VSF Failover and OSFP Graceful-Restart VSF Link failure without MAD MAD VSX Introduction Secure Management and Maintenance OOBM port Management VRF Secure Management Protocols: AAA, SSH, HTTPS, RBAC Radius-based management auth (VSA) SNMP Web interface Configuration file management (Backup, restore, checkpoint and roll back) Operating System image management (backup and restore) Factory default/password recovery AOS-CX Management tools Intro to NetEdit NetEdit installation Basic monitoring with NetEdit AOS-CX Mobile App

4G & 5G Roaming Scenarios & Procedures course description This course is designed to explain the roaming procedures of modern mobile networks, based on the GSMA roaming specification the course explains all scenarios where a mobile subscriber may find themselves whilst visiting a preferred mobile network partner. Interconnection between MNOs and the use of GRX & IPX as an interworking process. The course will work through the registration & authentication procedure, download of the user profile, the APN configuration & DIAMETER process to verify user authenticity. VoLTE roaming and IMS registration procedures for voice support & SMS delivery will be discussed and explained. What will you learn Architecture Models Technical requirements for interfaces - 4G Roaming Scenarios Technical requirements & recommendations for services Other Technical Requirements & Recommendations Technical Requirements for QoS support Technical Requirements & Recommendations for Interfaces - 5G Scenarios Technical Requirements & Recommendations for Interworking & Coexistence with E-UTRAN & EPC Technical Requirements & Recommendations for Services Other Technical Requirements & Recommendations 4G & 5G Roaming Scenarios & Procedures course details Who will benefit: Those working in mobile networks. Prerequisites: None. Duration 3 days 4G & 5G Roaming Scenarios & Procedures course contents Architecture Models 4G Evolved Packet System 5G Core Network SGs Interface for CSFB& SMS over SGs Technical Requirements for Interfaces - 4G Roaming Scenarios General requirements for inter-PLMN interfaces Stream Control Transmission Protocol (SCTP) IAMETER S8 Interface SGW selection PGW selection GTP Transport Layer engineering S9 interface Implementation requirements Guidelines for DIAMETER over S9 S6a & S6d interface Gy interface Guidelines for DIAMETER over Gy Legacy interworking scenarios VPLMN has not implemented LTE HPLMN has not implemented LTE Co-existence scenarios Possible scenarios 2G/3G roaming agreement only 2G/3G LTE roaming agreement LTE roaming registrations Consequences of different APN approaches when roaming Guidance regarding the APN approach when roaming Inter-RAT handover Handover & access restrictions to/from 2G/3G & LTE (Active mode) Access restriction for 2G/3G and/or LTE (Idle mode) Handover of PDN Connections between GERAN/UTRAN & LTE Handover to/from non-3GPP accesses & LTE Bandwidth considerations ARP considerations at handover from LTE to 2G/3G Tech requirements & recommendations for Services SMS SMS over SGs Voice CSFB Roaming retry for CSFB Roaming Forwarding for CSFB Coexistence of Roaming Forwarding & Roaming Retry Recommended procedures IMS Voice Roaming Architecture Other Technical Requirements & Recommendations Access Control Addressing APN for IMS based services IMS Well Known APN APN for Home Operator Services Gateway Selection Inter-PLMN roaming handover Data off related functionality Emergency Services Emergency PDN connectivity Emergency Call indicator Security GTP Security DIAMETER Security DIAMTER Roaming hubbing Default APN E-UTRA NR Dual Connectivity with EPC GW Selection for E-UTRA-NR Dual Connectivity TAC/LAC Restriction Guidelines Technical Requirements for QoS support QoS parameters definition QoS Management in the Home Routed architecture QoS control for IMS APN in the S8HR architecture Support of QoS in GRX/IPX QoS Control in Local Breakout architecture Technical Requirements & Recommendations for Interfaces - 5G Scenarios General requirements for inter-PLMN interfaces Transport protocol - TCP/IP Serialisation protocol - JSON Interface Definition language - OpenAPI Application Protocol - HTTP2 Inter-PLMN (N32) Interface N32c N32f ALS & IPX HTTP Proxy SMF & UPF in HPLMN & VPLMN Requirements related to Service Based Architecture Naming, addressing & routing for 5G SA roaming SEPP load distribution SEPP administration, naming convention & routing SEPP HTTP redirections Technical Requirements & Recommendations for Interworking & Coexistence with E-UTRAN & EPC Interworking scenarios Coexistence scenarios Inter-RAT Handover Handover & Access restriction between 5GC & EPC Technical Requirements & Recommendations for Services Network slicing Voice, Video & Messaging Location support UE Route Selection Policy Other Technical Requirements & Recommendations Access control IP Addressing DNN for IMS based services Emergency PDU Session Emergency Services Fallback Security Steering of Roaming in 5GS Technical Requirements for QoS support 5G QoS model 5G QoS profile QoS Control

Duration 5 Days 30 CPD hours This course is intended for Network Engineers Channel Partners System Engineers Overview By the end of this course, you will be able to: Describe how ONTAP 9 fits into NetApp?s Cloud and Data Fabric strategy Identify supported ONTAP platforms Define ONTAP cluster components Create a cluster Manage ONTAP administrators Configure and manage storage resources Configure and manage networking resources Describe a Storage Virtual Machine?s (SVM?s) role in NetApp?s storage architecture Create and configure an SVM Create and manage FlexVols Implement storage efficiency features Create protocol servers within an SVM Upgrade and revert ONTAP patches and releases Describe the levels on which ONTAP protects data Describe the ONTAP 9 data protection features Understand the various data mirroring relationships available with ONTAP 9 Configure and operate SnapMirror and SnapVault data replication Demonstrate Storage Virtual Machine data protection Explain the components and configuration involved with SyncMirror and MetroCluster Describe NDMP protocol operation, configuration and management Pre/Post Assessment The ONTAP 9.0 Cluster Administration and Data Protection combo course uses lecture and hands-on exercises to teach basic administration and configuration of a cluster as well as the core backup and restore technologies found in ONTAP 9. The hands-on labs allow you to practice working with ONTAP features and manage your storage and network resources using the cluster shell and OnCommand System Manager. You will learn how to implement and manage SnapMirror, SnapVault, and SnapLock technology which are used to replicate and restore mission-critical data in the enterprise. The course also surveys real-world scenarios and use cases to teach you when to use each of the NetApp protection solutions. Backup and restore operations are taught using the command line and OnCommand System Manager.Includes: ONTAP commands for software versions 8.3.x to 9.0 The ONTAP 9.0 Cluster Administration and Data Protection combo course uses lecture and hands-on exercises to teach basic administration and configuration of a cluster as well as the core backup and restore technologies found in ONTAP 9. The hands-on labs allow you to practice working with ONTAP features and manage your storage and network resources using the cluster shell and OnCommand System Manager. You will learn how to implement and manage SnapMirror, SnapVault, and SnapLock technology which are used to replicate and restore mission-critical data in the enterprise. The course also surveys real-world scenarios and use cases to teach you when to use each of the NetApp protection solutions. Backup and restore operations are taught using the command line and OnCommand System Manager. Includes: ONTAP commands for software versions 8.3.x to 9.0

Duration 2 Days 12 CPD hours This course is intended for Network analysts Network investigators Cisco integrators and partners Overview After taking this course, you should be able to: Describe the stages of the network attack lifecycle and identify ITD solution platform placement based on a given stage Detail how to locate and mitigate email malware attacks Describe email phishing attacks and the steps taken to locate and mitigate them on the network Identify and mitigate data exfiltration threats on the network Identify malware threats on the network and mitigate those threats after investigation The Cisco Integrated Threat Defense Investigation and Mitigation (SECUR202) v1.0 course shows you how to identify, isolate, and mitigate network threats using the Cisco© Integrated Threat Defense solution platform. Through expert instruction and lab-based scenarios, you will be introduced to network threat investigation, and learn how to identify relationships between Cisco products and the stages of the attack lifecycle. This course is the second in a pair of courses (SECUR201) covering the Cisco Integrated Threat Defense (ITD) solution. Network Threat Investigation Introduction Network Attack Introduction Hunting Network Threats in the Enterprise Investigation and Mitigation of Email Malware Threats Examining Email Malware Threats Investigating and Verifying Email Malware Threat Mitigation Investigation and Mitigation of Email Phishing Threats Examining Email Phishing Attacks Configuring Cisco Email Security Appliance (ESA) for URL and Content Filtering Investigating and Verifying Email Phishing Threat Mitigation Investigation and Mitigation of Data Exfiltration Threats Exploiting Vulnerable Network Servers Investigating Data Exfiltration Threats Mitigating and Verifying Data Exfiltration Threats nvestigation and Mitigation of Malware Threats Examining Endpoint Malware Protection Investigating and Mitigating Endpoint Malware Threats

VoIP training course description Convergence of voice and data is now a common place mainstream technology. Our Voice Over IP course investigates the characteristics of voice transmission and then studies the impact on IP networks. Practical sessions with soft phones, hard phones and gateways allow the students to see all aspects of VoIP. Network analysers are used to study packets on the wire. What will you learn Describe the issues of voice and data convergence. Describe techniques, which can be used in IP to provide low uniform delay. Evaluate VoIP technologies. Design data networks, which will support voice. VoIP training course details Who will benefit: Anyone working in the field of networking or telecommunications. Prerequisites: TCP/IP foundation for engineers Intro to data communications & networking Duration 3 days VoIP training course contents What is VoIP Voice over IP, brief review of IP, brief review of telephones and voice. Configuring IP softphones What are softphones? Downloading, installing. Hands on Building the base IP network, a simple VoIP call with softphones, Internet telephony. Addressing E164, FQDN, IP addresses, URIs, DNS, SIP addressing, H.323 addressing. VoIP issues Bandwidth, Delay, Jitter, digitising voice, digitisation steps, coding, quality issues, MOS, voice compression, silence suppression, packetising voice, prioritising voice, jitter buffers. Hands on Simple packet analysis. Architectures Desktop, backbone, gateway, hard phones, PoE, integrating phones and PCs, carriers, Softswitches. Hands on Integrating Softphones, hard phones and analog phones. IP performance and QoS ITU delay recommendations, IP DSCP field, DiffServ, IP precedence, queuing strategies; FIFO, WFQ, custom, priority, RED, LLQ. VoIP protocol stack RTP, RTCP, mixers and translators, RSVP. Bandwidth, Erlang models, link layer overhead. Hands on Calculating VoIP bandwidth, analysing RTP packets. ITU Recommendation H.323 Architecture, protocols, terminals, Call setup, Gatekeepers, gateway discovery, H.323 registration with a gatekeeper. Hands on PC to PC using H.323. IETF - Session Initiation Protocol What is SIP? SIP protocol stack, SDP, Sip architecture, SIP messages, Initial SIP phone startup, SIP servers, proxy server, redirect server. Hands on PC to PC using SIP. Carrier networks Signalling systems, SS7, media gateways, Media gateway controllers, signalling gateways, MGCP, Megaco, SIGTRAN. Hands on PSTN interworking. Video over IP Video components, digital video, pictures and audio, video codecs, issues and solutions, video conferencing, multipoint video conferencing, video protocol stack. Appendix 1: Multicasting. Appendix 2: Voice/data integration without IP.

Duration 5 Days 30 CPD hours This course is intended for This course is intended for Ethical Hackers, Penetration Testers, Network Server Administrators, Firewall Administrators, Security Testers, System Administrators and Risk Assessment Professionals, Cybersecurity Forensic Analyst, Cyberthreat Analyst, Cloud Security, Analyst Information Security Consultant, Application Security Analyst, Cybersecurity Assurance Engineer, Security Operations Center (SOC) Analyst, Technical Operations Network Engineer, Information Security Engineer, Network Security Penetration Tester, Network Security Engineer, Information Security Architect. Overview Upon successful completion of this course, students will master their Penetration Testing skills, perform the repeatable methodology, become committed to the code of ethics, and present analyzed results through structured reports. The main course outcomes include: 100% mapped with the NICE framework. Maps to the job role of a Penetration Tester and security analyst, based on major job portals. 100% methodology-based Penetration Testing program. Provides strong reporting writing guidance. Blended with both manual and automated Penetration Testing approaches. Gives a real-world experience through an Advanced Penetration Testing Range. Designed based on the most common Penetration Testing services offered by the best service providers in the market. Offers standard templates that can help during a Penetration test. This is a multidisciplinary course with extensive hands-on training in a wide range of crucial skills, including advanced Windows attacks, Internet of Things (IoT) and Operational Technology (OT) systems, filtered network bypass techniques, exploit writing, single and double pivoting, advanced privilege escalation, and binary exploitation. Course Outline Introduction to Penetration Testing Penetration Testing Scoping and Engagement Open Source Intelligence (OSINT) Social Engineering Penetration Testing Network Penetration Testing ? External Network Penetration Testing ? Internal Network Penetration Testing - Perimeter Devices Web Application Penetration Testing Wireless Penetration Testing IoT Penetration Testing OT/SCADA Penetration Testing Cloud Penetration Testing Binary Analysis and Exploitation Report Writing and Post-Testing Actions Additional course details: Nexus Humans Certified Penetration Testing Professional (CPENT) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Certified Penetration Testing Professional (CPENT) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for This course is designed for professionals in the following job roles: Network security engineer CCNP Security candidate Channel Partner Overview After taking this course, you should be able to: Introduce site-to-site VPN options available on Cisco router and firewalls Introduce remote access VPN options available on Cisco router and firewalls Review site-to-site and remote access VPN design options Review troubleshooting processes for various VPN options available on Cisco router and firewalls The Implementing Secure Solutions with Virtual Private Networks (SVPN) v1.0 course teaches you how to implement, configure, monitor, and support enterprise Virtual Private Network (VPN) solutions. Through a combination of lessons and hands-on experiences you will acquire the knowledge and skills to deploy and troubleshoot traditional Internet Protocol Security (IPsec), Dynamic Multipoint Virtual Private Network (DMVPN), FlexVPN, and remote access VPN to create secure and encrypted data, remote accessibility, and increased privacy. Course Outline Introducing VPN Technology Fundamentals Implementing Site-to-Site VPN Solutions Implementing Cisco Internetwork Operating System (Cisco IOS©) Site-to-Site FlexVPN Solutions Implement Cisco IOS Group Encrypted Transport (GET) VPN Solutions Implementing Cisco AnyConnect VPNs Implementing Clientless VPNs Lab Outline Explore IPsec Technologies Implement and Verify Cisco IOS Point-to-Point VPN Implement and Verify Cisco Adaptive Security Appliance (ASA) Point-to-Point VPN Implement and Verify Cisco IOS Virtual Tunnel Interface (VTI) VPN Implement and Verify Dynamic Multipoint VPN (DMVPN) Troubleshoot DMVPN Implement and Verify FlexVPN with Smart Defaults Implement and Verify Point-to-Point FlexVPN Implement and Verify Hub and Spoke FlexVPN Implement and Verify Spoke-to-Spoke FlexVPN Troubleshoot Cisco IOS FlexVPN Implement and Verify AnyConnect Transport Layer Security (TLS) VPN on ASA Implement and Verify Advanced Authentication, Authorization, and Accounting (AAA) on Cisco AnyConnect VPN Implement and Verify Clientless VPN on ASA

Duration 2 Days 12 CPD hours This course is intended for This course is designed for technical professionals who need to know how to deploy a Cisco Integrated Threat Defense solution in their network environment. Cisco integrators and partners Systems and network engineers Technical architects Technical support personnel Overview After taking this course, you should be able to: Understand the network security landscape and the Cisco Integrated Threat Defense (ITD) solutions Describe the key components of the ITD solution and their use in the network Configure the Cisco Identity Services Engine (ISE) for a baseline of operation in the ITD solution Configure the integration between the Cisco Stealthwatch and Cisco ISE platforms Configure the integration between the Cisco Firepower and ISE platforms Configure the integration between Cisco Firepower and Cisco Advanced Malware Protection (AMP) for Endpoints The Implementing an Integrated Threat Defense Solution (SECUR201) v1.2 course provides an analysis of the cybersecurity landscape with an emphasis on the importance of an integrated threat defense architecture. Through a combination of lessons and hands-on practice, you will learn to deploy and integrate Cisco©?s Integrated Threat Defense solutions which include: Cisco Identity Services Engine (ISE), Cisco Stealthwatch, Cisco Firepower NGFW, and Cisco AMP for Endpoints. This course provides you with the knowledge and skills to implement and integrate solution components with existing network services, integrate solution components with the pxGrid (Platform Exchange Grid) framework, integrate network and endpoint-based malware protection, and observation of security dataflow after the introduction of malware. Course Outline Integrated Threat Defense Introduction ITD Products Identity Services Engine Setup Integration of Stealthwatch with Identity Services Engine Integration of Firepower with Identity Services Engine Integration of Firepower with AMP for Endpoints Lab outline Connecting to the Lab Environment Integrating ISE and Active Directory Integrating ISE and Cisco Adaptive Security Appliance (ASA) Configuring pxGrid and Client Certificates Integrating Stealthwatch with Identity Services Engine Integrating Network Visibility Module (NVM) with AnyConnect Integrating Firepower with Identity Services Engine Integrating AMP for Endpoints with Firepower

Mobile IP training course description A detailed examination of the protocols and architecture of Mobile IP. What will you learn Recognise the benefits of ADSL. Configure and troubleshoot IS-IS. Explain how IS-IS works. Describe the use of Level 1 and Level 2. Design IS-IS networks. Mobile IP course details Who will benefit: Technical staff wanting to learn DNS.Network Administrators. Support personnel. Prerequisites: TCP/IP Foundation Duration 2 days Mobile IP course contents Introduction Quick review of IP, What is Mobile IP? What Mobile IP provides, Mobility requirements, Where Mobile IP is required, where mobile IP is not required, DHCP as an alternative, Proxy ARP as an alternative. Architecture Mobile node, home network, home agent, Foreign agent, Fixed home address, Care of address, Correspondent node, Tunnelling. How Mobile IP works Using two addresses, issues with TCP, discovering the care of address, registering care of address, tunnelling the care of address. The protocols involved. Issues with Mobile IP Routing inefficiencies, Security and firewalls, ingress filtering, QoS. MIP and IPv6 Stateless address configuration, Neighbour discovery, miscellaneous.

Definitive Ethernet switching course description A hands on comprehensive look at Ethernet switches with extensive coverage of VLANs. The course focuses on the technology and not any one manufacturers product enabling delegates to configure switches from any manufacturer. What will you learn Configure and troubleshoot switches using: Console port telnet HTTP TFTP Configure and troubleshoot switch features such as: Duplex/speed Port based MAC security Spanning Tree Link aggregation Tagged ports Configure and troubleshoot VLANs. Definitive Ethernet switching course details Who will benefit: Technical staff. Prerequisites: Intro to data communications & networking. Duration 3 days Definitive Ethernet switching course contents What is Ethernet? LANs, network cards and cables, CSMA/CD, Ethernet frames, Ethernet evolution, 802.3. Hands on: ping, Ethernet speeds, CSMA/CD. Ethernet layer 2 Layer 2 functions, NICs, MAC addresses, unicasts, multicasts and broadcasts, frame formats. Hands on: Configuring NICs, Analysing MAC addresses with Wireshark IP and Ethernet Relationship Hands on: ARP. What is a switch? Switches connect multiple devices, switches versus hubs, simultaneous conversations, switches work at layer 2, the forwarding database, how the forwarding database is built, broadcast and collision domains Hands on: Difference between hubs and switches. Switch configuration Switch configuration Managed/unmanaged switches, configuration methods, reasons to configure switches. Console ports, HyperTerminal (and alternatives). Hands on: Using the console port to troubleshoot and configure switches. Switches in more detail Latency, forwarding mechanisms, switch fabrics. Hands on: Using telnet and HTTP to switches. Ethernet extensions Auto negotiation, Power over Ethernet. Hands on:Configuring and troubleshooting switch ports: Speed, duplex and security. Redundant links Loops, broadcast storms, STP, BPDU format, STP convergence. Hands on: Tracking blocked ports. STP convergence. Backbone links Architectures, link aggregation, LACP, load sharing, resilience. Hands on: fail over times. VLANs Virtual versus physical LANs, Why have VLANs? Broadcast domains, Creating VLANs, Assigning ports to VLANs. Hands on: Analysing the effect of VLANs on traffic. Enterprise VLANs VLANS are internal, multiple VLANs, Load balancing, Default VLAN, VLAN registration protocols: VTP, GVRP, MVRP. Hands on: VLANs on multiple switches. Tagging/Trunking Reason for tagging, terminology, tagging process, 802.1Q, Tag format, VLAN stacking. Hands on: Configuring and troubleshooting tags. STP variants RSTP, Common STP, Multiple STP, PVST, ring alternatives. Hands on: RSTP. Inter VLANs Layer 3 switching, IP addressing rules, Interconnecting VLANs. Hands on: Routing between VLANs. Troubleshooting Ethernet Methods, tools, locating faults, layer 1 issues, layer 2 issues Hands on: Fixing the network.