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234 Agilent FrameScope 350 User’s Manual
9 Glossary
Glossary
Frame Data organized in bytes encapsulated with a header and
a trailer containing information regarding the data. Frame and
packet are sometime used interchangeably.
Frame Type The format of the frame. Some examples are:
SNAP/IP, SNAP/IPX, 802.3/802.2, EthernetII/IP,
EthernetII/IPX, 802.3/IPX, 802.2/IPX.
FTP File Transfer Protocol - Internet protocol for transferring
files from one computer to another.
Hop A data link through a bridge or router between stations on
a network. For example: Agilent.com is 6 hops away from my
PC.
ICMP Internet Control Message Protocol - The IP layer
protocol for handling errors and control messages.
IP Internet Protocol. The protocol developed and used in the
Internet. It is now used in nearly all public and private
networks. It provides an addressing structure that allows
relaying of packets in a manner that is logically separated from
the underlying physical network. It is a connectionless, best
effort protocol designed to work across dissimilar networks.
IP address A four-byte address always written in decimal with
each byte separated by dots. This is an address normally
assigned through software and associated with a hardware
address of a network interface card. It can also be associated
with a resource on the network such as an SNMP agent.
IPX Internetwork Packet Exchange - Novell Netware’s network
layer protocol, it handles network addressing, routing and
packets.
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.