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Tsunami MP.11and MP.11a Installation and Management
Glossary 121
CPN 65755B Issue Date: August 2003
Simple Network Management Protocol (SNMP)
A protocol used for the communication between a
network management application and the devices it
is managing. The network management application is
called the SNMP manager; the devices it manages
have implemented SNMP agents. Not only the
MP.11/a but also almost every network device
contains a SNMP agent. The manageable objects of
a device are arranged in a Management Information
Base, also called MIB. The Simple Network
Management Protocol (SNMP) allows managers and
agents to communicate for accessing these objects.
Spanning Tree Protocol (STP)
The Spanning Tree Protocol (STP) can be used to
create redundant networks (“hot standby”) and to
prevent loops. If enabled, spanning tree prevents
loops by disabling redundant links; if a link fails, it
can automatically enable a backup link.
Subnet Mask
A subnet mask is a bit mask that defines which part
of an IP address is used for the network part and
which part for a host (computer) number. A subnet
mask is like an IP address represented by four
numbers in the range 0 - 255 separated by dots.
When the IP address 172.17.23.14 has a subnet
mask of 255.255.255.0, the network part is 172.17.23
of the host number is 14. See also
IP address.
Table
Tables hold parameters for several related items. For
example, you can add several potential managers to
the SNMP IP access table. Tables can be displayed
using with the Web Interface, command line interface
and SNMP.
Topology
Topology is the physical layout of network
components (cable, stations, gateways, hubs, and so
on).
Trap
A trap is used within SNMP to report an unexpected
or unallowable condition.
Trivial File Transfer Protocol (TFTP)
Trivial File Transfer Protocol (TFTP) is a lightweight
protocol for transferring files that is like a simple form
of File Transfer Protocol (FTP). A TFTP client is
implemented on the MP.11/a; using the upload and
download commands, the MP.11/a can respectively
copy a file to or from a TFTP server. TFTP server
software is provided on the MP.11/a CD-ROM.
Upload
Uploading a file means copying a file from a network
device to a remote server. In case of the MP.11/a
uploading means transferring a file from the MP.11/a
to a TFTP server. See also
download.
Upstream
Upstream means a data stream from the end users
to the central part of the network. See also
downstream.
WEP
The Wired Equivalent Privacy (WEP) algorithm is the
standard encryption method used to protect wireless
communication from eavesdropping.
WORP
The Wireless Outdoor Router Protocol (WORP) was
designed to optimize long distance links and
multipoint networks with Hidden Node effect to
eliminate collisions and loss of bandwidth.