CCNA Cisco Certified Network Associate Study Guide - FTP Server

Resolving Hostnames 357
This output shows that VTY 2 has IP address 172.16.10.1 connected. That
is the Todd2509 router.
To clear the connection, use the clear line # command.
2501B#clear line 2
[confirm]
[OK]
Verify that the user has been disconnected with the show users
command.
2501B#sh users
Line User Host(s) Idle Location
* 0 con 0 idle 0
1 aux 0 idle 1
2501B#
This output shows that the line has been cleared.
Resolving Hostnames
In order to use a hostname rather than an IP address to connect to a
remote device, the device that you are using to make the connection must be
able to translate the hostname to an IP address. There are two ways to
resolve hostnames to IP addresses: building a host table on each router or
building a Domain Name System (DNS) server, which is like a dynamic host
table.
Building a Host Table
A host table provides name resolution only on the router on which it was
built. The command to build a host table on a router is
ip host name tcp_port_number ip_address