Operation Manual – LoginH3C S7500E Series Ethernet Switches Chapter 3 Logging in Through Telnet3-2Note:z After you log into the switch through Telnet, you can issue commands to the switchby way of pasting session text, which cannot exceed 2000 bytes, and the pastedcommands must be in the same view; otherwise, the switch may not execute thecommands correctly.z If the session text exceeds 2000 bytes, you can save it in a configuration file, uploadthe configuration file to the switch and reboot the switch with this configuration file.For details, refer to the File System Management.z To log in on the switch using Telnet based on IPv6 is same as that based on IPv4,and you can refer to IPv6 Configuration for details.3.1.1 Common ConfigurationTable 3-2 lists the common Telnet configuration.Table 3-2 Common Telnet configurationConfiguration RemarksConfigure the commandlevel available to userslogging into the VTY userinterfaceOptionalBy default, commands of level 0 areavailable to users logging into a VTYuser interface.Configure the protocols theuser interface supportsOptionalBy default, Telnet and SSH protocolare supported.VTY userinterfaceconfigurationSet the command that isautomatically executedwhen a user logs into theuser interfaceOptionalBy default, no command isautomatically executed when a userlogs into a user interface.