TCP/IP foundation for engineers Training

An intensive generic hands on IP foundation. The course focuses on all parts of IP networking: layer 2 on switches, layer 3 on routers and layer 4 on transport. Layers 5 to 7 are also covered.

Delegates will build and troubleshoot routed and switched networks, as well as VLANs and InterVLAN routing. Hands on sessions are used to reinforce the theory rather than teach any specific manufacturer’s equipment.

This course is also ideal for IT professionals from other backgrounds who are finding IP is more involved in their work.

This course also teaches how to subnet numbers in seconds

None.

By the end of the course delegates will be able to:

• Use ping, traceroute and other tools to diagnose faults on a network.
• Configure IP on PCs and routers.
• Plan IP addresses and subnets.
• Analyse IP and TCP packets using an analyser.
• Troubleshoot TCP/IP.

What is TCP/IP?

TCP and IP are protocols, 7 layer model, hardware/software layers, network layers, internetworking, protocols, What is IP? What is TCP? The internet, The IAB, RFCs.

Ping and Wireshark

Host configuration, IP addresses, subnet masks, default gateways, ping.

Base configuration. Testing with ping. Analysing packets with Wireshark

Switches and Wireshark

Switches versus hubs, layer 2 forwarding table, flooding, broadcasts.

Building a switched based network.

Configuring network devices

Configuration options, console port, putty, telnet.

Configuring switches, telnet.

IP

IP packet format, protocol field, TTL, DiffServ, fragments, ICMP.

IP packet analysis.

IP addressing

32 bits, dotted decimal, rules, networks, role of subnet masks, simple subnetting, prefix notation. Broadcasts, special use addresses.

Planning and implementing addressing.

IP and the lower layers

ARP, PPP, other media.

ARP.

Routing

What are routers? What routers do, default gateways, routing and addressing, routing tables, ways to update routing tables.

Building a simple routed network, traceroute.

Routing protocols

IGPs and EGPs, RIP, RIPv2, Why not to use RIP, OSPF, OSPF metrics, convergence, distance vector protocols, link state protocols.

RIP, OSPF analysing routing tables.

GNS3

Network simulators.

Using GNS3.

Subnetting

Subnetting to the bit level, ranges, how prefixes are used.

Subnetting.

VLANS and IP addressing

What are VLANs, tagging, 802.1Q, Inter VLAN routing.

Inter VLAN routing.

TCP and UDP

Layer 4, port numbers, client ports, broadcasts multicasts and layer 4, UDP header, TCP header, connections, ACK, sliding windows, options, connection states. Sockets.

Analysing TCP packets.

IPv4 address configuration

Private addresses, NAT, NAPT, dynamic addressing, DHCP, link local addresses.

DHCP, NAT.

IPv6

What is IPv6, 128 bit addresses, address formats, IPv6 address allocation, header format, migration, dual stack, tunnelling, NAT64, DNS64.

IPv6 setup troubleshooting.

IPv6 address configuration

Static addressing, EUI-64 addresses, IPv6 address order, SLAAC, DHCPv6.

SLAAC.

Applications

Clients, servers, HTTP, Email, resource sharing, VoIP, video, terminal emulation, remote desktop. Network management and SNMP.

Servers, TFTP, VoIP packet analysis.

DNS

Names and addresses, hosts file, how DNS works. FQDNs, DNS client configuration.

Troubleshooting DNS.

Security

Firewalls, firewall architectures, DMZ, how firewalls work, proxy servers, filtering, ACLs, IDS, VPNs, authentication, encryption, tunnels, secure protocols.

Firewalls, SSH

Troubleshooting

Methods, tools.

Fixing the network

EXAM