Cisco 12000 GSR Series Matériel de référence - Page 9

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20614 Cisco Installing and Maintaining Routers Part 4: 12000 GSR Series and XS5032 Modules

British thermal unit

buffer

A temporary storage area, usually in RAM.

C.S.C

Cisco Systems Capital

cage

a piece of hardware into which cards are installed

CEF

Cisco express forwarding

Challenge Handshake Authentication Protocol (CHAP)

Challenge Handshake Authentication Protocol. Security feature supported on lines using PPP encapsulation

that prevents unauthorized access. CHAP does not itself prevent unauthorized access, it merely identifies the

remote end. The router or access server then determines whether that user is allowed access.

Channel Service Unit (CSU)

channel service unit. Digital interface device that connects end−user equipment to the local digital telephone

loop. Often referred to together with DSU, as CSU/DSU.

channelized

Channelized modules are modules that can be broken down into time slots.

chassis

a box that houses main electonic components

Command Line Interface (CLI)

command line interface. Interface that allows the user to interact with the operating system by entering

commands and optional arguments. The UNIX operating system and DOS provide CLIs.

Compressed Serial Link Internet Protocol (CSLIP)

Compressed Serial Link Internet Protocol. Extension of SLIP that, when appropriate, allows just header

information to be sent across a SLIP connection, reducing overhead and increasing packet throughput on SLIP

lines.

CRC