Month: April 2018
Command SSH Use Allows you to securely connect to a remote device. Unlike telnet, all packets are encrypted. As a result, SSH is a much more secure method of connecting to a device. Syntax Router#ssh -l <user> <ip address or DNS name> Optional Switches -c Select encryption algorithm …
Disconnect Syntax Router#disconnect <number> Example In the below example, the disconnect command is used to disconnect from a paused telnet session. CopyRouter#show session Conn Host Address Byte Idle Conn Name * 1 1.1.1.1 1.1.1.1 0 0 1.1.1.1 Router#disconnect 1 Closing connection to 1.1.1.1 Router#show session % No connections …
Command Resume Use Allows you to resume a suspended telnet session. Syntax Router#resume <number> Example This example shows how to resume from a paused telnet session. CopyR1#show session Conn Host Address Byte Idle Conn Name * 1 10.1.1.2 10.1.1.2 0 0 10.1.1.2 R1#resume 1 R2#
Command Traceroute Use Allows you trace the path a router takes to get to a given destination. Traceroute is a good troubleshooting tool since it lets you verify optimal routing and routing loops. Syntax Router#traceroute <ip address or DNS name> Example In the below example, traceroute is used …
Command Telnet Use Allows you connect to another device remotely. Telnet is an excellent troubleshooting tool that can be used to validate various Layer 7 technologies such as HTTP and Email. Althoug it is a useful tool for a CCNA, it is important to note that telnet traffic …
Command Ping Use Allows you to verify reachbility of a remote device. This is one of the most useful of the diagnogstic commands. Syntax Router#ping <ip address or DNS name> OR Router#ping Optional Switches data df-bit repeat size source timeout validate Example In this example a user pings …
Command Lock Use Allows you to lock your terminal with a one time password. Syntax Router>lock Usage Before using the Lock command you must first enable it by typing lockable under the console or VTY lines Type Lock You will be prompted to set a password, this is …
Command Enable Use Switches to the privileged level command set. Syntax Router>enable Example In the below example you switch from unprivileged mode to privileged mode. CopyRouter> Router>enable Router#
Instructor Planning Guide Activities What activities are associated with this chapter? Assessment Students should complete Chapter 8, “Assessment” after completing Chapter 8. Quizzes, labs, Packet Tracers and other activities can be used to informally assess student progress. Sections & Objectives 8.1 Subnetting an IPv4 Network Implement an IPv4 …
Instructor Planning Guide Activities What activities are associated with this chapter? Assessment Students should complete Chapter 7, “Assessment” after completing Chapter 7. Quizzes, labs, Packet Tracers and other activities can be used to informally assess student progress. Sections & Objectives 7.1 IPv4 Network Addresses Explain the use of …
