nse is received from the device after send- ing the command by clicking the Send button. The response received is displayed in the "Response Message" text area. The CLI Browser can load and use different files with different sets of input mes- sages. The Input CLI Command field indicates what operation is being carried out. The main window of the CLI Browser is shown in Figure 5.1. The left pane has the CLI Tree which is used to load the CLI input messages in XML format. The right pane has details of the selected CLI input message and text area to display the response received from the agent. Communication can be established with devices by setting various connection parameters. In Figure 5.2, Telnet is set as a standard protocol at port number 23 to establish connection with a device. The remote host parameter specifies to which system/device the session is to be established. Typically, the user can set this to "localhost" in order to establish a ses- sion with his or her own system, provided that system supports Telnet, which means that it must be running a Telnet server. The port number parameter specifies the 5 Network Management Using Telnet/CLI and TL1 File Edit View Operations Help CLITree clistr_cmd_object Input CLI Command protocol_details tcp protocol_details Parameter Block Param Name Param Value Param Type Select Option craft start, agent agent Update Description java,agent show. details switches router network Response Message Log Message network$ router_config Request Sent router_config Add Delete Response received Modify nt_network_service ROUTER_CONFIC Successfully Executed start suspend Request Sent : cnt_network_service start Response received (CNT_NETWORK_SERVICE Successfully Executed Request Sent protocoi_details tcp Response received PROTOCOL_DETAILS Successfully Executed Telnet Connection established with host localhost Figure 5.1 Screenshot - CLI Browser main window. Connection Parameters Connect Params Telnet Options Remote Host localhost Port Number Prompt(Delimiter) Login Timeout(in ms) 