Nortel BayStack Instant Internet 100-S Using Manual page 323

LAN
Local Area Network.
Lease (DHCP)
When DHCP allocates an IP address, it "rents" the address to the requesting
client for a period of time called a lease. The lease may be as short as a few
minutes or as long as "forever". The client can renew the lease or let it expire.
leased-line
A private transmission line (T1, DDS, V.35, or X.21) reserved for the leasing
customer's sole use.
LED
Light Emitting Diode.
LMI
Local Management Interface.
MAC
Media Access Control. A physical address that is the portion of the data-link
layer in 802.x networks that controls addressing information of the packet and
enables data to be sent and received across a local area network.
MAU
Media (or medium) attachment unit. In token ring networks, a device defined
by the IEEE 802.5 standard that supplies a physical connection to the network
cabling medium and includes circuitry to convert signals between a form
suitable for the network and a form suitable for the station.
MD5
An authentication algorithm used to create a digital signature that uses hash
security to convert a message into a fixed string of digits.
MDI
Multiple Document Interface. Allows an application to have a main window
and any number of child windows.
Medium Dependant Interface: The interface changes depending upon the
medium used.
Using the BayStack Instant Internet Management Software Version 7.11
Glossary 323