Cisco ONS 15454 SDH Specifications download pdf (Page 243)

Glossary

GL-13

Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3

May 2002

MAC address

Standardized data link layer address that is required for every port or device that connects to a LAN. Other devices in the

network use these addresses to locate specific ports in the network and to create and update routing tables and data structures.

MAC addresses are six bytes long and are controlled by the IEEE. Also known as the hardware address, MAC-layer address,

and physical address.

Maintenance user

A security level that limits user access to maintenance options only. See also Superuser, Provisioning User, and Retrieve User.

Managed device

A network node that contains an SNMP agent and resides on a managed network. Managed devices include routers, access

servers, switches, bridges, hubs, computer hosts, and printers.

Managed object

In network management, a network device that can be managed by a network management protocol. Sometimes called an MIB

object.

Mapping

A logical association between one set of values, such as addresses on one network, with quantities or values of another set,

such as devices on another network.

Mbps

Megabits per second.

MBps

Megabytes per second.

MHz

Megahertz.

MIB

(Management Information Base). Database of network management information that is used and maintained by a network

management protocol such as SNMP or CMIP. The value of a MIB object can be changed or retrieved using SNMP or CMIP

commands, usually through a GUI network management system. MIB objects are organized in a tree structure that includes

public (standard) and private (proprietary) branches.

MIME

Multipurpose Internet Mail Extensions.

Multiplex Section.

MS-FERF

Multiplex Section Far-end Receive Failure.

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Cisco ONS 15454 SDH Specifications Page 243