
Configuring IP Utilities
2-10 114071 Rev. A
Telnet Overview
Telnet is a virtual terminal protocol that is part of the TCP/IP protocol suite. It
allows you to access any system on your network running the Telnet server
software. Accessing Telnet establishes a virtual connection between your terminal
and the specified host. Once you connect to a host through Telnet, your terminal
appears to be connected directly to that host.
Telnet offers three basic services:
• It defines a network virtual terminal that provides a standard interface to
remote systems. Clients do not have to understand the details of all possible
remote systems; they are built to use the standard interface.
• It allows client and server to negotiate options, and it provides a set of
standard options.
• It treats both ends of the connection symmetrically. So, instead of forcing the
client side to connect to a user’s terminal, Telnet allows an arbitrary program
to become a client. Furthermore, either end of the connection can negotiate
options.
Telnet is used primarily to access the Technician Interface. You can execute
Technician Interface commands from a remote host (inbound Telnet) or originate
an outgoing Telnet session (outbound Telnet) to another Bay Networks router or
network device that accepts Telnet. You use outbound Telnet to access remote
routers when Site Manager or Simple Network Management Protocol (SNMP) is
unavailable.
Change Working
Directory
CWD Causes the server to change the volume.
Print Working
Directory
PWD Causes the server to print its current working directory.
Implementation-specific FTP Commands
Compact COMP Causes the server to compact the Flash card. Use this
command after the delete command, or when the amount of
contiguous space is low. You can determine the amount of
contiguous space on a router by using the dir command.
Table 2-3. FTP Commands Supported
(continued)
Command Code Description
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