AUDIENCE:   Corporate networks are mission-critical and it is vital that staff are well -trained in the way they work. This course is for all personnel who are responsible for the management, design, implementation, growth, and troubleshooting of TCP/IP networks. Those with responsibility for security and disaster recovery will also benefit. PREREQUISITES:   While completion of "Understanding TCP/IP" is not a prerequisite, it is assumed that all students will have the equivalent level of knowledge. DURATION:   3 days. Hands on. OBJECTIVES:   After attending, students will be able to: - Describe in detail the TCP/IP architecture and protocols together with their use in corporate networks. - Describe the present state of routing and understand proposed changes to IP, and their implications. - Set up and maintain a domain system within a company network, and link a company internet to the global Internet. - Understand the security issues around today's networks, whether Internet connected or otherwise. Advise management on IT security policy. - Understand the issues surrounding network performance and troubleshooting. Be aware of network monitoring tools that are available. - Discuss how the Internet can be used to improve a company's information gathering and external dissemination strategies. COURSE CONTENT:   REVIEW OF THE "UNDERSTANDING TCP/IP" COURSE IP OVER LANs AND WANs. ROUTING Methodology of Routing RIP OSPF Subnets and Supernets CIDR The effect of IPv6 DOMAINS Setting up your DNS The implications of linking to the Internet Name Servers MAIL MIME Compression routines POP Mail gateways and the problems of other address structures User Agents Netequitte Finding an Email address NETWORK SECURITY The dangers and threats Firewalls and other preventative strategies Viruses and other nasties Modems can be dangerous Encryption Resilience The importance of Disaster Recovery Plans Where to go for help NETWORK PERFORMANCE User expectations Measures of performance Causes of degradation and delay Queueing theory Bottlenecks Long fat pipes Tuning applications NETWORK MANAGEMENT Elements of network management Architecture of SNMP MIB structure ASN.1 and BER SNMP Version 2 Manager of Managers Network Management Forum TROUBLE SHOOTING A Methodology Isolating the problem Examining tables Verifying servers Network analyzers Time Domain Reflectometers Some possible scenarios