With the following command: No hostname
no hostname
You can do this on the enable, or privileged, prompt.
Which option would be a valid router hostname according to Cisco naming convention guidelines? Rtr1_Bldg201 Building_201 Router 1 1st_Floor_Router_409_West_State_Street
In a Cisco device hostname, the allowed characters include letters (A-Z, a-z), numbers (0-9), and hyphens (-). The hostname must start with a letter and can have a maximum length of 63 characters. Additionally, it cannot contain spaces or special characters other than the hyphen.
When configuring a hostname through the Cisco CLI, the naming conventions include: 1) Hostnames can consist of alphanumeric characters, dashes, and periods, but must start and end with an alphanumeric character; 2) They are case-insensitive, meaning "Router" and "router" are treated the same; and 3) The maximum length of a hostname is 63 characters. Additionally, hostnames should not include spaces or special characters other than dashes and periods.
I'll go to hellis Cisco in a Cisco router. What would the prompt look like for global configuration
hostname.
ping hostname or nslookup hostname For more details: http://www.zilckh.com/how-to-find-ip-address-from-hostname-in-a-windows-system-using-command-line/
The hostname (the name of the computer) can be found in most Linux distributions by issuing the hostname command without arguments. Alternatively, you can view the contents of /etc/hosts. The hostname will be listed next to the IP address 127.0.1.1.
A hostname is the name a computer uses to identify itself to other computers on a network.
A hostname in an email address appears after the @ symbol, like user@hostname.com. The hostname is always the company or group that handles that email address.
Cisco Technical Documentation