Cisco 678 Spezifikationen PDF herunterladen (Seite 177)

Cisco 600 Series Installation and Operation Guide

78-11190-01

Glossary

NAT

Network Address Translation.

network layer

The OSI layer that is responsible for routing, switching, and subnetwork access

across the entire OSI environment.

node

A general term used to refer to a computer or related device; often used to refer

to a networked computer or device.

NVT

Network Virtual Terminal.

NVRAM

Non-Volatile Random Access Memory. The router uses this memory to store

configuration information. The contents of this memory are not lost after a reboot

or power cycle of the unit.

octet

A networking term that identifies 8 bits. In TCP/IP, it is used instead of

byte,

because some systems have bytes that are not 8 bits.

OSI

Open Systems Interconnection. An international standardization program to

facilitate communications among computers from different manufacturers. See

ISO.

packet

The unit of data sent across a packet switching network.

PAP

Password Authentication Protocol.

PCI

Peripheral Component Interconnect. An industry local bus standard. Supports up

to 16 physical slots but is electrically limited to typically three or four plug-in

PCI cards in a PC. Has a typical sustained burst transfer rate of 80 Mbps, which

is enough to handle 24-bit color at 30 frames per second (full-color, full-motion

video).

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Cisco 678 Spezifikationen Seite 177