Admin Guide

Table Of Contents
Secure Shell (SSH) SSH uses encryption to provide security for remote logons and data
transfer over the Internet.
SFP A hot pluggable, small form-factor pluggable (SFP) transceiver, which is
used in Ethernet applications up to 1 Gbps.
Simple Loop
Prevention Protocol
(SLPP)
Simple Hello Protocol that prevents loops in a Layer 2 network (VLAN).
Simple Network
Management
Protocol (SNMP)
SNMP administratively monitors network performance through agents and
management stations.
single-mode fiber
(SMF)
One of the various light waves transmitted in an optical fiber. Each optical
signal generates many modes, but in single-mode fiber only one mode is
transmitted. Transmission occurs through a small diameter core
(approximately 10 micrometers), with a cladding that is 10 times the core
diameter. These fibers have a potential bandwidth of 50 to 100 gigahertz
(GHz) per kilometer.
SMLT aggregation
switch
One of two IST peer switches that form a split link aggregation group. It
connects to multiple wiring closet switches, edge switches, or customer
premise equipment (CPE) devices.
spanning tree A simple, fully-connected active topology formed from the arbitrary physical
topology of connected bridged Local Area Network components by relaying
frames through selected bridge ports. The protocol parameters and states
that are used and exchanged to facilitate the calculation of the active
topology and to control the bridge relay function.
Spanning Tree Group
(STG)
A collection of ports in one spanning-tree instance.
Trivial File Transfer
Protocol (TFTP)
A protocol that governs transferring files between nodes without protection
against packet loss.
trunk A logical group of ports that behaves like a single large port.
universal
asynchronous
receiver-transmitter
(UART)
A device that converts outgoing parallel data to serial transmission and
incoming serial data to parallel for reception.
User Datagram
Protocol (UDP)
In TCP/IP, a packet-level protocol built directly on the Internet Protocol
layer. TCP/IP host systems use UDP for application-to-application
programs.
Secure Shell (SSH)
January 2017 Administering Avaya VSP 7200 Series and 8000 Series 251
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