tailieunhanh - cisco press ccna portable command guide 2nd edition 640 802 phần 7

300N có các cổng RJ45 màu được mã hóa để dễ sử dụng, các cổng để kết nối với modem là màu xanh, và bốn cổng mà bạn có thể sử dụng để kết nối với các thiết bị có màu vàng. Kiểm tra với thiết bị của bạn để chắc chắn rằng bạn được cắm vào cổng chính xác. Hình 15-12 Kết nối Router đến máy tính | CHAPTER 19 Telnet and SSH This chapter provides information and commands concerning the following topics Using Telnet to remotely connect to other devices Configuring the Secure Shell Protocol SSH Using Telnet to Remotely Connect to Other Devices The following five commands all achieve the same result the attempt to connect remotely to the router named Paris at IP address . Denver telnet paris Enter if ip host command was used previously to create a mapping of an IP address to the word paris. Denver telnet Denver paris Enter if ip host command is using default port . Denver connect paris Denver Any of the preceding commands lead to the following configuration sequence Paris As long as vty password is set. See the Caution following this table. Paris exit Terminates the Telnet session and returns you to the Denver prompt. Denver Paris logout Terminates the Telnet session and returns you to the Denver prompt. 204 Using Telnet to Remotely Connect to Other Devices Denver Paris CT- Shitt -6 release then press Suspends the Telnet session but does not terminate it and returns you to the Denver prompt. Denver Denver - Enteri Resumes the connection to Paris. Paris Denver resume Resumes the connection to Paris. Paris Denver disconnect paris Terminates the session to Paris. Denver Denver show sessions Displays connections you opened to other sites. Denver show users Displays who is connected remotely to you. Denver clear line x Disconnects the remote user connected to you on line x. The line number is listed in the output gained from the show users command. Denver config line vty 0 4 Moves to line configuration mode for vty lines 0-4. Denver config-line session-limit x Limits the number of simultaneous sessions per vty line to x number. CAUTION The following configuration creates a big security hole. Never use it in a live production environment. Use it in the lab only Configuring the Secure Shell Protocol SSH 205 Denver config line vty 0 4 .