Glossary |
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| compares this value with the one sent with the data. If the two |
| values are the same, the receiver has some confidence that the |
| data was received correctly. |
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 | A CAS has an Ethernet LAN connection and many |
(CAS) | 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. |
Console | Terminal used to configure network devices at boot |
| time. Also used to refer to the keyboard, video and mouse |
| user interface to a server. |
Console Port | Most of the equipment in a data center (servers, routers, |
| switches, UPS, PBX, etc.) has a serial console port for |
| band management purposes. |
DHCP | Dynamic Host Configuration Protocol. A protocol for |
| automatic TCP/IP configuration that provides static and |
| dynamic address allocation and management. |
| DHCP enables individual computers on an IP network to |
| extract their configurations from a server (the 'DHCP server') |
| or servers, in particular, servers that have no exact |
| information about the individual computers until they request |
| the information. The overall purpose of this is to reduce the |
| work necessary to administer a large IP network. The most |
| significant piece of information distributed in this manner is |
| the IP address. |
142 | AlterPath Console Server User Manual |