Avaya C460 manual Out-of-Band, Packet, Plus Tagging, Port

Glossary

OID

Object Identifier. Used in SNMP to identify managed objects. In the SNMP Manager/Agent Network Management Paradigm, each managed object must be identified by a unique OID.

OSI

Open Systems Interconnection reference model. A model for network communications consisting of seven layers that describe what happens when computers communicate with one another.

OSPF

Open Shortest Path First. A routing protocol featuring least-cost routing, multipath routing, and load balancing.

Out-of-Band

Transmission of auxiliary information, such as management messages, using frequencies or channels outside the frequencies or channels normally used for information transfer. Out-of-band signaling is often used for error reporting in situations in which in-band signaling can be affected by whatever problems the network might be experiencing.

Packet

Logical grouping of information that includes a header containing control information and usually user data. Packets are most often used to refer to application layer data units.

PING

Packet Internet Groper. Determines whether a specific IP address is accessible by sending a packet to the specified address and waiting for a reply.

Plus Tagging

A proprietary Avaya tagging mechanism that enables extended VLAN capabilities.

POP

Post Office Protocol. Used to retrieve E-mail from a mail server. Most E-mail applications use the POP protocol, although some can use the newer IMAP (Internet Message Access Protocol). POP3, unlike earlier versions, can be used with or without SMTP.

Port

A physical port is a connecting component that allows a microprocessor to communicate with a compatible peripheral. A port is identified by a port number.

250 Avaya C460 Reference Guide