170
G
LOSSARY
bit
Either of the digits 0 or 1 when used in the binary numeration system.
Eight bits equals a single
byte.
broadcast
All good frames destined for the broadcast address, in other words sent
out to all stations on the network. Some broadcasts are limited to the
local network, and some broadcasts may cross onto other networks.
client
An application that provides a means of configuring data collection.
Multiple Traffix Manager clients can be run against a single Traffix
Manager server.
community name
Also known as community string.
SNMP
uses community names to limit
access to certain device management functions. The community name
used when accessing a device determines which functions may be
accessed.
CSV format file
Comma Separated Value File. Traffix Manager uses raw report data to
output reports as CSV files. CSV files can be read into spreadsheets or
database applications for further analysis.
data link layer
The second layer of the OSI Reference Model. This layer is responsible
for controlling message traffic.
default gateway
The
IP address
of a device, usually a router or gateway, to which the
probe directs all packets not destined for its subnet.
device
A generic term used to refer to any device seen on the network, by way
of the addresses recorded in the RMON tables.
device attribute
A piece of information about a device; for example, an attribute could
be the device’s
IP address
, or the building in which it is kept.
DHCP
Dynamic Host Configuration Protocol. DHCP is a protocol which allows
dynamic allocation of
IP addresses
to devices on a local area network.
The system administrator assigns a range of IP addresses to DHCP. Each
DHCP-enabled device on the LAN can request an IP address from the
DHCP server. DHCP uses a lease concept to respond to a request for an
IP address and to grant an IP address to a device. The system
administrator can control for how long a client can use a particular IP
address.
DNS
Domain Name Service. A mapping of host names to
IP addresses
.
When you enter a destination host name, the station asks the DNS
server for the IP address associated with the host name. Upon receipt
Summary of Contents for Traffix Transcend Traffix Manager
Page 10: ......
Page 18: ......
Page 24: ...24 CHAPTER 1 TRAFFIX MANAGER OVERVIEW ...
Page 34: ......
Page 46: ...46 CHAPTER 4 GROUPING NETWORK DEVICES IN THE MAP Figure 6 Groupings dialog box ...
Page 48: ......
Page 56: ...56 CHAPTER 6 CONFIGURING AGENTS FOR DATA COLLECTION ...
Page 70: ...70 CHAPTER 8 DISPLAYING TRAFFIC IN GRAPHS ...
Page 88: ...88 CHAPTER 10 VIEWING EVENTS ...
Page 114: ......
Page 120: ...120 APPENDIX A TROUBLESHOOTING TRAFFIX MANAGER ...
Page 152: ...152 APPENDIX F SUPPORTED RMON 2 DEVICES ...
Page 156: ...156 APPENDIX G CONFIGURING 3COM STANDALONE RMON 2 AGENTS ...
Page 160: ...160 APPENDIX I USING RMON 1 AGENTS ...
Page 168: ......
Page 184: ...184 INDEX ...