ADC CRA-C Manuel D’Utilisation

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Network and Management Overview
Megabit Modem CRA-C User Manual
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The Megabit Modem CRA-C provides an SNMP agent that supports several
MIBs for the management of the system.  The SNMP agent can process
datagrams received from both the Ethernet interface (LAN) and the ADSL
interface (Line).  The agent and the protocol stack complies with the following
RFCs:
RFC 1155 Structure of Management Information (SMI)
RFC 1157 Simple Network Management Protocol (SNMP)
RFC 826 Address Resolution Protocol (ARP)
RFC 792 Internet Control Message Protocol (ICMP)
RFC 791 Internet Protocol (IP)
RFC 768 User Datagram Protocol (UDP)
MIB and Trap Support
Each managed device has configuration, status, and statistical information that
defines its functionality and operational capabilities.  These elements, together,
are the MIB for the device being managed.  The MIB defines the kind of
information an NMS can retrieve from a managed device and the settings an
NMS can control in a managed device.
Megabit Modem CRA-C supports the following MIBs:
RFC 1213 MIB II Management Information Base for Network
Management of TCP/IP-Based Internet:MIB-II supported groups:
system, interfaces, IP, ICMP, UDP, and SNMP groups
RFC 1215 A Convention for Defining Traps for Use with the SNMP
supported objects: ColdStart, linkUp, linkDown, and
authenticationFailure traps.  Link status traps are sent for events
related to Ethernet.
RFC 1493 Definition of Managed Objects for Bridges supported
objects: Base, Spanning Tree, and transparent bridging groups.