Telnet protocol allows one to create a TCP/IP connection on a host. With Telnet, one can set up TCP connection to access a remote server and pass keystrokes between devices. Telnet can use either a domain name or an IP address as an address for the remote device. The prerequisites of connecting a telnet are configuring IP on the third layer interface, having out-of-band on a mgmt 0 interface, and inband on the Ethernet interface (Odem, 2016). Connection of telnet takes place in three steps, enabling telnet’s server, launching an IP session to the remote device, and clearing telnet session. Telnet method remotely establishes a CLI session through a virtual interface on a device over a network.

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Auxiliary method uses an out-of-band connection. It does not require any networking. Auxiliary method allows a remote administrator access to the router or switch over the telephone line in the event that network fails (Odem, 2016). One can also use the auxiliary port locally through a direct connection to the computer system running the terminal emulation program. However, it is important to note that Cisco catalysts are incompatible with auxiliary connections.

The first thing to know is console ports is not compatible with cable glands. Exposing cable glands to this port may lead to grave damages. The console port has 8 data bits, 1 stop bit, and connection speed of 9600 baud, but lacks parity for error detection. Using the CTRL- C command one interrupts the router startup and changes or deletes the password (Odem, 2016).

SDM is the security device manager for cisco devices. When configuring the cisco router, SDM functions as an easy VPN sever. It allows one to configure a cisco router by through an easy-to-use management interface based on the web. The components used are version 4.8 of cisco VPN client, version 2.31 of SDM, Cisco router alongside cisco IOS software (Odem, 2016).

  • Odem, W. (2016). CCNA Routing and Switching 200-125 Official Cert Guide Library. Indianapolis: Pearson Education (US). doi:9781587205811