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Glossary
Avaya P460 Reference Guide 211
Subnet Mask
A 32-bit address mask used in IP to indicate the bits of an IP address that are being
used for the subnet address.
SVC
Switched Virtual Circuit. A logical connection between two points that is
dynamically established and only exists during transmission. In ATM networking,
the SVC connection is established via signalling.
Switch
A device that filters and forwards packets between LAN segments. Switches
operate at the Data Link Layer of the OSI reference model and support any packet
protocol.
Switch Monitoring
Refer to SMON on page 209.
TCP/IP
Transmission Control Protocol/Internet Protocol. Common name for the suite of
protocols used to connect hosts on the Internet. TCP/IP uses several protocols, of
which TCP and IP are the main ones.
Telnet
A terminal emulation protocol for TCP/IP networks. Telnet is used for remote
terminal connection, enabling users to log in to remote systems and use these
resources as if they were connected to a local system.
TFTP
Trivial File Transfer Protocol. A simple form of File Transfer Protocol, using User
Datagram Protocol (UDP) and providing no security features. TFTP is often used by
servers to boot diskless workstations, X-terminals, and routers.
Token Ring
A type of LAN standardized as IEEE 802.5. In a Token Ring network, a supervisory
frame, or token, is passed from station to adjacent station sequentially. Stations
wishing to gain access to the network must wait for the token to arrive before
transmitting data.
Transceiver
A device that both transmits and receives analog or digital signals. Usually used to
describe the LAN component that applies signals onto the network wire and detects
signals passing through the wire.