C# Network Programming

Understanding SNMP When the Internet was in its infant stage, designers realized the critical need for an easy way to monitoring network devices. Many types of monitoring protocols have been developed over the years, presenting a real challe...

Working with SNMP Packets Now that you have seen what constitutes the SNMP system, let’s discuss how to place those pieces in a packet to send to the remote device. This section describes the process of creating SNMP packets and how C#...

Creating a Simple SNMP Class The process of creating an SNMP class is different from creating the ICMP class (which was covered in Chapter 11, “ICMP”). Because there is no set byte format for SNMP packets, you must create the SNM...

The SimpleSNMP Program The system object identifiers are often used to track and identify devices on the network. They are also used to help network administrators track information from a central network management station. For your first s...

Using Vendor MIBs Most network device vendors utilize the enterprise MIB object (1.3.6.1.4.1) to add their own device configurations and statistics to augment the standard MIB-II statistics. The IAB assigns child node values to vendors under...

Using GetNextRequest Queries As can be seen from the SimpleSNMP and CiscoRouter programs, writing GetRequest programs using the SNMP class is a snap. The next step is to experiment with the SNMP GetNextRequest queries. These queries behave a...

Summary The Simple Network Management Protocol (SNMP) presents true challenges to programmers writing applications that use it. Because of its complexity, many novice network programmers avoid using the protocol altogether. This chapter give...