Specifications

1-6 Cisco MGX 8220 Reference, Release 4.1
New in Release 4.1
MGX 8220 Management
The functions and operation of the MGX 8220 shelf are achieved through downloaded firmware. The
firmware controls the overall operation of the shelf and responds to configuration and other The
MGX 8220 shelf has a command repertoire of over 60 user commands which are used to configure
and display the various operational parameters of the shelf.
The current status and configuration parameters of the MGX 8220 modules are maintained in a
Management Information Base (MIB) which is updated by the firmware as changes in status and
configuration occur. The MIB can be interrogated using SNMP commands.
Most of the functions of the MGX 8220 shelf Release 4.1 can be effected through the graphical user
interface provided in StrataView Plus Release 9.1.
The ASC module includes three ports for user input of management commands. A further means of
management access is provided in-band over the ATM trunk.
The maintenance port is a simple RS-232 port for direct connection to an alpha-numeric terminal
into which the user can type commands through a Command Line Interface (CLI).
The control port (SLIP protocol only), the LAN (Ethernet) port and the in-band ATM connection all
support the CLI (via Telnet), TFTP and SNMP protocols for communicating with the MGX 8220
shelf.
New in Release 4.1
This section provides a very brief description of the new MGX 8220 shelf features that have been
added since Release 4.0:
• New circuit emulation service modules (CESM) are available which supports eight T1 circuits,
or eight E1 circuits. These are in addition to the four T1/E1 cards provided in earlier releases.
• A new Frame Relay Access Service Module (FRASM) is available for the support of IBM SNA
networks over T1 lines.
• The use of the MGX 8220 in stand-alone (non-BPX 8620 networks) applications.