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GigaX Series L3 Managed Switch User Guide
131
STP Spanning Tree Protocol
The bridge protocol to avoid packet looping in a complicate
network.
subnet A subnet is a portion of a network. The subnet is distinguished
from the larger network by a subnet mask which selects some of
the computers of the network and excludes all others. The
subnet's computers remain physically connected to the rest of
the parent network, but they are treated as though they were on a
separate network. See also network mask.
subnet mask A mask that defines a subnet. See also network mask.
TCP See TCP/IP.
TCP/IP Transmission Control Protocol/Internet Protocol
The basic protocols used on the Internet. TCP is responsible for
dividing data up into packets for delivery and reassembling them
at the destination, while IP is responsible for delivering the
packets from source to destination. When TCP and IP are
bundled with higher-level applications such as HTTP, FTP,
Telnet, etc., TCP/IP refers to this whole suite of protocols.
Telnet/SSH An interactive, character-based program used to access a
remote computer. While HTTP (the web protocol) and FTP only
allow you to download files from a remote computer, Telnet /
SSH allows you to log into and use a computer from a remote
location.