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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
management data router (MDR)
Collects surveillance data from multiple Nortel Multiservice Switch nodes and
distributes it to multiple Nortel Multiservice Data Manager network operation
centers.
management information base (MIB)
A database containing configuration and status information relating to a
specific managed object or objects. Provides a description of all the
components and variables within a component that a network management
system can access. It provides the way of naming each of these components
and variables. MIB is a concept defined in network management standards
such as SNMP.
manual CLR alarm
A CLR alarm issued in response to manual intervention, rather than in
response to the system detecting that the associated fault condition no longer
exists.
manual path
In path-oriented routing, specifying the series of Nortel Multiservice Switch
trunks that form the path instead of letting the system create the path
automatically.
marker protocol
A protocol that is used by link aggregation to transfer a conversation from one
logical link to another without misordering cells.
maximum burst size (MBS)
One of a set of traffic characterization values used to define traffic
characteristics through the traffic descriptor types. MBS defines the length in
cells of a traffic burst relative to the peak cell rate (PCR), which it cannot
exceed, and the sustainable cell rate (SCR), which it can exceed but only for
the time period defined by BT.
maximum transmission unit (MTU)
1 The size (in bytes) of the largest datagram that a router or interface can
transmit.
2 The size of the largest frame that a link can transmit.
MBR
See multicast border router (MBR) (page 83).
MBS
See maximum burst size (MBS) (page 79).