service — global
Service level items
Depends on the service
service command disables or enables certain router features. These features range from minor TCP/IP servers to the router’s callback behavior. The services controlled by this command are:
Enables autoloading configuration files from a server. This command is required for
boot network commands to work.
Enables the callback feature for clients. A callback tells the router to authenticate a dial-in user, disconnect, and then call the user back at a prearranged number. See Chapter 12 for more information.
Delays the display of the prompt.
Allows finger requests to be made to the router (i.e., enables a finger server). For IOS 12.0 and later, this has been superseded by
Hides the IP address of the destination host when a
telnet command is issued. When a user executes a
telnet command at the EXEC prompt, the IP address of the destination machine is usually displayed with a message like “Trying machinename (10.10.1.4).”
Enables the Nagle congestion control algorithm.
Enables password encryption. By default, password encryption is enabled.
Enables the display of the
(config) prompt when in the configuration mode.
Enables TCP keepalives on incoming connections (connections initiated by remote hosts).
Enables TCP ...