Cradlepoint MBR1200 Router Manual PDF (Setup & Configuration Guide)

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CRADLEPOINT

MBR1200 | USER MANUAL Firmware ver. 1.6.12

CRADLEPOINT, INC.

PLEASE VISIT

HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/

FOR MORE HELP AND RESOURCES

PAGE 119

Database

Organizes information so that it can be managed updated, as well as

easily accessed by users or applications.

DB-25

A 25-pin male connector for attaching External modems or RS-232

serial devices.

DB-9

A 9-pin connector for RS-232 connections

dBd

Decibels related to dipole antenna.

dBi

Decibels relative to isotropic radiator.

dBm

Decibels relative to one milliwatt.

Decrypt

To unscramble an encrypted message back into plain text.

Default

A predetermined value or setting that is used by a program when no

user input has been entered for this value or setting.

Demilitarized zone

DMZ: A single computer or group of computers that can be accessed

by both users on the Internet as well as users on the Local Network,

but that is not protected by the same security as the Local Network.

DHCP

Dynamic Host Configuration Protocol: Used to automatically assign

IP addresses from a predefined pool of addresses to computers or

devices that request them.

Digital certificate

An electronic method of providing credentials to a server in order to

have access to it or a network.

Direct Sequence Spread Spectrum

DSSS: Modulation technique used by 802.11b wireless devices.

DMZ

“Demilitarized Zone”. A computer that logically sits in a “no

-mans-

land” between the LAN and the WAN. The DMZ computer trades

some

of the protection of the router‟s security mechanisms for

the

convenience of being directly addressable from the Internet.

DNS

Domain Name System: Translates Domain Names to IP addresses.

Domain name

A name that is associated with an IP address.

Download

To send a request from one computer to another and have the file

transmitted back to the requesting computer.

DSL

Digital Subscriber Line. High bandwidth Internet connection over

telephone lines.

Duplex

Sending and Receiving data transmissions at the same time.

Dynamic DNS service

Dynamic DNS is provided by companies to allow users with Dynamic

IP addresses to obtain a Domain Name that will always be linked to

their changing IP address. The IP address is updated by either client

software running on a computer or by a router that supports Dynamic

DNS, whenever the IP address changes.

Page 122 / 132

CRADLEPOINT

MBR1200 | USER MANUAL Firmware ver. 1.6.12

CRADLEPOINT, INC.

PLEASE VISIT

HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/

FOR MORE HELP AND RESOURCES

PAGE 120

Dynamic IP address

IP address that is assigned by a DHCP server and that may change.

Cable Internet providers usually use this method to assign IP

addresses to their customers.

EAP

Extensible Authentication Protocol.

Email

Electronic Mail is a computer-stored message that is transmitted

over the Internet.

Encryption

Converting data into cyphertext so that it cannot be easily read.

Ethernet

The most widely used technology for Local Area Networks.

Fiber optic

A way of sending data through light impulses over glass or plastic

wire or fiber.

File server

A computer on a network that stores data so that the other

computers on the network can all access it.

File sharing

Allowing data from computers on a network to be accessed by other

computers on the network with different levels of access rights.

Firewall

A device that protects resources of the Local Area Network from

unauthorized users outside of the local network.

Firmware

Programming that is inserted into a hardware device that tells it how

to function.

Fragmentation

Breaking up data into smaller pieces to make it easier to store.

FTP

File Transfer Protocol. Easiest way to transfer files between

computers on the Internet.

Full-duplex

Sending and Receiving data at the same time.

Gain

The amount an amplifier boosts the wireless signal.

Gateway

A device that connects your network to another, like the Internet.

Gbps

Gigabits per second.

Gigabit Ethernet

Transmission technology that provides a data rate of 1 billion bits per

second.

GUI

Graphical user interface.

H.323

A

standard

that

provides

consistency

of

voice

and

video

transmissions and compatibility for video conferencing devices.

Half-duplex

Data cannot be transmitted and received at the same time.

Hashing

Transforming a string of characters into a shorter string with a

predefined length.

Page 123 / 132

CRADLEPOINT

MBR1200 | USER MANUAL Firmware ver. 1.6.12

CRADLEPOINT, INC.

PLEASE VISIT

HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/

FOR MORE HELP AND RESOURCES

PAGE 121

Hexadecimal

Characters 0-9 and A-F.

Hop

The action of data packets being transmitted from one router to

another.

Host

Computer on a network.

HTTP

Hypertext Transfer Protocol is used to transfer files from HTTP

servers (web servers) to HTTP clients (web browsers).

HTTPS

HTTP over SSL is used to encrypt and decrypt HTTP transmissions.

Hub

A networking device that connects multiple devices together.

ICMP

Internet Control Message Protocol.

IEEE

Institute of Electrical and Electronics Engineers.

IGMP

Internet Group Management Protocol is used to make sure that

computers can report their multicast group membership to adjacent

routers.

IIS

Internet Information Server is a WEB server and FTP server

provided by Microsoft.

IKE

Internet Key Exchange is used to ensure security for VPN

connections.

Infrastructure

In terms of a wireless network, this is when wireless clients use an

Access Point to gain access to the network.

Internet

A system of worldwide networks which use TCP/IP to allow for

resources to be accessed from computers around the world.

Internet Explorer

A World Wide Web browser created and provided by Microsoft.

Internet Protocol

The method of transferring data from one computer to another on the

Internet.

Internet Protocol Security

IPsec provides security at the packet processing layer of network

communication.

Internet Service Provider

An ISP provides access to the Internet to individuals or companies.

Intranet

A private network.

Intrusion Detection

A type of security that scans a network to detect attacks coming from

inside and outside of the network.

IP

Internet Protocol.

IP address

A 32-bit number, when talking about Internet Protocol Version 4, that

identifies each computer that transmits data on the Internet or on an

Intranet.

Page 124 / 132

CRADLEPOINT

MBR1200 | USER MANUAL Firmware ver. 1.6.12

CRADLEPOINT, INC.

PLEASE VISIT

HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/

FOR MORE HELP AND RESOURCES

PAGE 122

IPsec

Internet Protocol Security.

IPX

Internetwork Packet Exchange is a networking protocol developed by

Novell to enable their Netware clients and servers to communicate.

ISP

Internet Service Provider.

Java

A programming language used to create programs and applets for

web pages.

Kbps

Kilobits per second.

Kbyte

Kilobyte.

L2TP

Layer 2 Tunneling Protocol.

LAN

Local Area Network.

Latency

The amount of time that it takes a packet to get from the one point to

another on a network. Also referred to as delay.

LED

Light Emitting Diode.

Legacy

Older devices or technology.

Local Area Network

LAN. A group of computers in a building that usually access files

from a server.

LPR/LPD

“Line Printer Requestor”/”Line Printer Daemon”. A TCP/IP

protocol

for transmitting streams of printer data.

MAC Address

A unique hardware ID assigned to every Ethernet adapter by the

manufacturer.

Mbps

Megabits per second.

MDI

Medium Dependent Interface is an Ethernet port for a connection to

a straight-through cable.

MDIX

Medium Dependent Interface Crossover is an Ethernet port for a

connection to a crossover cable.

MIB

Management Information Base is a set of objects that can be

managed by using SNMP.

Modem

A device that Modulates digital signals from a computer to an analog

signal in order to transmit the signal over phone lines. It also

Demodulates the analog signals coming from the phone lines to

digital signals for your computer.

MPPE

Microsoft

Point-to-Point

Encryption

is

used

to

secure

data

transmissions over PPTP connections.

Page 125 / 132

CRADLEPOINT

MBR1200 | USER MANUAL Firmware ver. 1.6.12

CRADLEPOINT, INC.

PLEASE VISIT

HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/

FOR MORE HELP AND RESOURCES

PAGE 123

MTU

Maximum Transmission Unit is the largest packet that can be

transmitted on a packet-based network like the Internet.

Multicast

Sending data from one device to many devices on a network.

NAT

Network Address Translation allows many private IP addresses to

connect to the Internet, or another network, through one IP address.

NetBEUI

NetBIOS Extended User Interface is a Local Area Network

communication protocol. This is an updated version of NetBIOS.

NetBIOS

Network Basic Input/Output System.

Netmask

Determines what portion of an IP address designates the Network

and which part designates the Host.

Network Interface Card

NIC. A card installed in a computer or built onto the motherboard that

allows the computer to connect to a network.

Network Layer

The third layer of the OSI model which handles the routing of traffic

on a network.

Network Time Protocol

Used to synchronize the time of all the computers in a network.

NIC

Network Interface Card.

NTP

Network Time Protocol.

OFDM

Orthogonal Frequency-Division Multiplexing is the modulation

technique for both 802.11a and 802.11g.

OSI

Open Systems Interconnection is the reference model for how data

should travel between two devices on a network.

OSPF

Open Shortest Path First is a routing protocol that is used more than

RIP in larger scale networks because only changes to the routing

table are sent to all the other routers in the network as opposed to

sending the entire routing table at a regular interval, which is how

RIP functions.

Password

A sequence of characters that is used to authenticate requests to

resources on a network.

Personal Area Network

The interconnection of networking devices within a range of 10

meters.

Physical layer

The first layer of the OSI model. Provides the hardware means of

transmitting electrical signals on a data carrier.

Ping

A utility program that verifies that a given Internet address exists and

can receive messages. The utility sends a control packet to the given

address and waits for a response.

PoE

Power over Ethernet is the means of transmitting electricity over the

unused pairs in a category 5 Ethernet cable.

POP3

Post Office Protocol 3 is used for receiving email.

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