User`s guide

BLACK BOX® CS Installation, Administration, and User’s Guide 335
assigning IP addresses without using the standard IP
address classes like Class A, Class B or Class C.
In CIDR notation, an IP address is represented as A.B.C.D /n,
where "/n" is called the IP prefix or network prefix. The IP
prefix identifies the number of significant bits used to
identify a network. For example, 192.9.205.22 /18 means, the
first 18 bits are used to represent the network and the
remaining 14 bits are used to identify hosts. Common
prefixes are 8, 16, 24, and 32.
CLI
Command line interface. An interface that allows use of text
commands. Through CLI, individual commands can be given
to the computer one at a time using the keyboard. BLACK
BOX® products run the Linux operating system.
Administrators type "CLI" on the command line of the Linux
shell. The BLACK BOX® CLI tool provides many
commands and nested parameters in a format called the CLI
parameter tree.
Cluster A cluster is a group of one or more computers working as a
group to execute a certain task. From the user standpoint, a
cluster acts as a large computer system.
Console Access Server (CAS)
A CAS has an Ethernet LAN connection and many RS-232
serial ports. It connects to the console ports of servers and
networking equipment and allows convenient and secure
access from a single location.
Community The community name acts as a password and is used to
authenticate messages sent between an SNMP client and a
router containing an SNMP server. The community name is
sent in every packet between the client and the server.