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Connectionless sockets allow the sending of messages in self-contained packets. A single read method reads the entire message sent by a single sent method. This helps you avoid the hassle of trying to match message boundaries in packets. Unfortunately, UDP packets are not guaranteed to arrive at their destination. Many factors, such as busy networks, can prevent the packet from making it to its destination. SNMP allows network devices to maintain a database of network ...   See More...  
 
 
The switch will continually walk down the child nodes from the MIB you specify, but when it runs out, it attempts to go to the next MIB object on the same level. To prevent this, you must keep a copy of the original MIB object identifier and compare it to the new MIB returned in the GetResponse packets. Each child node will have ...   See More...  
 
This chapter described how to send messages using a TCP socket. Because TCP sockets are connection-oriented,both ends of the connection must be established before any data can be transmitted. The data is sent to the remotedevice using a data stream, so message boundaries are not preserved in TCP sessions. The returned MIBs from the Cisco switch show some interesting values. Notice how there is no particular order to the returned MIB values. Only Cisco knows what these individual node values meanall we poor programmers know is that ...   See More...  
 
There are a few interesting things to note in the program output. First, notice that the program does not exit until thelast thread is finished processing, even after the ... See More...  
 : Customer Type
 : User Name
   : Password
 
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