Glossary 7

Glossary

Latency The time interval starting when the last bit of the input frame reaches the input port and ending when the first bit of the output frame is seen on the output port.

Locate Using SNMP, report the switch or hub port that a station is connected to.

MAC address The unique address of each hardware component, NIC card, hub, switch, etc., on a network. These are assigned by the manufacturer of the networking equipment when the hardware is produced.

MAC Loopback The process of transmitting and receiving packets at the MAC layer and reporting delay, the quantity transmitted and received as well as any errors which occur.

MIB Management Information Base - A set of parameters that are available and sometimes customizable that an SNMP management station can query. Used to report status or configuration information of components of a network.

Multicast A subset of a Broadcast where a packet is only delivered to a subset of all possible destinations that share a multicast address.

NFS Server Network File System - A Sun Microsystems protocol allowing computers on the same network use data stored on other computers as if it were on local disks. An NFS server is usually a UNIX server.

Novell server A device that provides services such as file services and print services in a network where a Novell operating system is being used.

Ping A commonly used test which determines whether a device can be reached. Generally, from a command line a user types ping a.b.c.d <enter> to determine whether the device at IP address a.b.c.d can be reached. The response is often an indication of the success of the test and a time stamp designating the length of the query-response, usually in milliseconds. The ping tests reachability by sending an ICMP echo request to the destination and waiting for a reply.

POP Post Office Protocol - E-mail post office protocol that allows a single user host system to connect and download E-mail.

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