Switch User's Manual

47
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M
management information base (MIB)
Defines system operations and parameters used
for the Simple Network Management Protocol
(SNMP).
marking
A process that uses defined rules to assign the
Differentiated Services Code Point (DSCP) in a
packet.
mask
A bit string that is used along with an IP address
to indicate the number of leading bits in the
address that correspond with the network part.
maximum burst size (MBS)
One of a set of traffic characterization values
that defines 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
sustained cell rate (SCR), which it can exceed
but only for a time period defined by burst
tolerance (BT).
maximum transmission unit (MTU)
The largest number of bytes in a packet—the
Maximum Transmission Unit of the port.
media
A substance that transmits data between
ports; usually fiber optic cables or category 5
unshielded twisted pair (UTP) copper wires.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
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