NetBIOS, Network Address Translation, Packet | NETGEAR NMS100

Reference Manual for the ProSafe Network Management System NMS1000

MTU

The size in bytes of the largest packet that can be sent or received.

NAT

A technique by which several hosts share a single IP address for access to the Internet.

NetBIOS

The Network Basic Input Output System is an application programming interface (API) for sharing services and information on local-area networks (LANs).

Provides for communication between stations of a network where each station is given a name. These names are alphanumeric names, up to 16 characters in length.

Network Address Translation

NAT. A technique by which several hosts share a single IP address for access to the Internet.

NIC

Network Interface Card. An adapter in a computer which provides connectivity to a network.

NID

Network Interface Device. The point of demarcation, where the telephone line comes into the house.

packet

A block of information sent over a network. A packet typically contains a source and destination network address, some protocol and length information, a block of data, and a checksum.

Perfect Forward Secrecy

Perfect Forward Secrecy (PFS) provides additional security by means of a Diffie-Hellman shared secret value. With PFS, if one key is compromised, previous and subsequent keys are secure because they are not derived from previous keys.

PKIX

PKIX. The most widely used standard for defining digital certificates.

Point-to-Point Protocol

PPP. A protocol allowing a computer using TCP/IP to connect directly to the Internet.

PPP

A protocol allowing a computer using TCP/IP to connect directly to the Internet.

PPPoA

PPPoA. PPP over ATM is a protocol for connecting remote hosts to the Internet over an always-on connection by simulating a dial-up connection.

6

Glossary

September 2004 202-10036-01

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NETGEAR NMS100 manual NetBIOS, Network Address Translation, Packet, Perfect Forward Secrecy, Point-to-Point Protocol, PPPoA

Contents

September 2004 NETGEAR, Inc Customer Support World Wide Web TrademarksStatement of Conditions Contents Chapter Data and Statistics Appendix a Contents Manual Scope Audience, Scope, Conventions, and FormatsTypographical Conventions Other ProSafe NMS Features Overview System Requirements Device Access ModesProSafe Network Management System Recommended system requirements Package Contents Introduction Introduction Chapter Installation and Startup Installing the ProSafe NMS Server and Local Console Installing the Air Messenger Pro Paging Software Starting the ProSafe NMS Server and Local Console Stopping and Starting the Server Disabling Automatic Console LoginStarting a Local Console Session Event Log Tool Console ElementsMain button bar Edit button bar Selection Tool Element Function Console Button Commands Zoom to Selection Tool tabs Selection ToolEvent Log Tool Selection Tab Description View Window Area Installation and Startup Working with the Map Database Map Selection Tree Zoom Using Map View WindowsView All Zoom Out Rectangle Moving Map Objects Moving Objects at the Root Level Moving Objects Inside Subnet Levels Automatically arranged and manually arranged submap levels Moving Objects from One Subnet to Another Changing Object Properties Attributes Attribute Name Description Access ParametersObject Properties Access tab Type-Dependent Attributes Object Properties Attribute tab Object Attribute Name Description Type a Type Description Adding Map ObjectsObject Types Manage Menus Viewing Device MIB DataMIB Selection Tree Table Display Elements Custom Menus Graph Display Elements Graph Styles Saving Long-term Statistics Creating a New Report Viewing Trend Data in a Graph Window Limiting Saved Instances Alarm Type Description Setting Threshold AlarmsThreshold Alarms Setting Status Variable Polling Configuring Automatic Alarms Setting Manual Threshold Alarms TCP Service Polling Polling TCP Application ServicesDiscovery of Four Built-in Services Custom TCP Service Polling Managing Polling for the Device Emailing or Paging the Administrator on an Event To modify an existing Custom TCP Service definition Then, set the Email/Paging global event options Add an Event Filter for the pollDeviceDown event Then, set the Email/Page event actions Event Subtree Trap Name Description Other Event TypesProSafe NMS Events Emailing or Paging Multiple Users First, add a grouped set of users Then, add an Event Filter for the selected devices Normal Discovery Map Layout Troubleshooting Network DiscoveryDuration of Network Discovery Failure Symptoms and Solutions Sample top-level and Subnet Map views for a small network Discovery Agent Fails to Connect to the Server Incorrect or Missing Community Names Not Enough Seeds Snmp Device Access Control ListFirewalls Block Snmp Operations Limiting the Scope of Discovery Setting Up New FiltersBroadcast Packet Losses Stopping Discovery Auto-Layout Event Description Parameters Event ParametersEvent Parameters Set Community name of the target device List of Glossary Terms Cat Denial of Service attackAuto Uplink Dynamic Host Configuration Protocol Domain Name DoS Internet Protocol GatewayIP Address MAC address Lightweight Directory Access ProtocolLocal area network Mbps Packet NetBIOSNetwork Address Translation Perfect Forward Secrecy PPP over Ethernet PPPoEPPP over ATM Router Subnet Mask WEB Proxy Server Wi-Fi Windows Internet Naming ServiceUniversal Plug and Play Wide area network Wireless Network Name Ssid Index Index Index