Managing Faults on Avaya Virtual Services Platform 7200 Series and 8000 Series Version 4.2.1

Simple Network
Management
Protocol (SNMP)
SNMP administratively monitors network performance through agents and
management stations.
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.
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.
user-based security
model (USM)
A security model that uses a defined set of user identities for authorized
users on a particular Simple Network Management Protocol (SNMP)
engine.
virtual router An abstract object managed by the Virtual Router Redundancy Protocol
(VRRP) that acts as a default router for hosts on a shared LAN.
virtual router
forwarding (VRF)
Provides traffic isolation between customers operating over the same node.
Each virtual router emulates the behavior of a dedicated hardware router by
providing separate routing functionality, and the network treats each VRF
as a separate physical router.
Virtual Router
Redundancy
Protocol (VRRP)
A protocol used in static routing configurations, typically at the edge of the
network. This protocol operates on multiple routers on an IP subnet and
elects a primary gateway router. When the primary router fails, a backup
router is quickly available to take its place.
Glossary
130 Managing Faults on Avaya VSP 7200 Series and 8000 Series June 2015
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