DC-ILMI in an ATM stack

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DC-ILMI provides Integrated Local Management Interface (ILMI) functions, allowing exchange of configuration information between two ILMI components at opposite ends of a link.

DC-ILMI in an ATM stack



Functions and Features

DC-ILMI includes the following functions.

  • Support for the ATM Forum ILMI Version 4.0 specification
  • Interoperability with implementations of the ATM Forum ILMI Version 3.0 and 3.1 specifications
  • ILMI for IISP Links
  • ILMI Connectivity Procedures
  • Automatic Configuration Procedures for
    • ATM Interface Type and Interface Management Entity (IME) Type
    • Per-ATM Layer Interface Attributes
  • Address Registration Procedures for
    • Network Side IME
    • User Side IME
  • Modification of Local Attributes for ATM Layer Interface Table
  • Access to ILMI MIB tables through an SNMP agent
  • Cold Start Trap

The following functions may be included or excluded depending on the scope of your license.

  • Change of Attachment Point Detection Procedures
  • Secure Link Procedures
  • SNMP Proxy-Agent support for
    • the ILMI MIB
    • the ATM Forum PNNI MIB
    • the subset of the AToM MIB supported by the combination of DC-Signalling and DC-Call Control
    • the LANE Client MIB
    • LANE Services MIB tables as supported by DC-LANE Services
    • the MPOA Configuration MIB (MPOA Client), MPOA MIB (MPS Basic Compliance), and complementary tables from the NHRP MIB
    • the MIB II ipNetToMediaTable (defined in RFC 1213)
    • the Classical IP MIB (defined in RFC 2320)
    • the ATMARP MIB as used by DC-IPOA.
  • Support for the Service Registry MIB table
  • Access to external support for the Virtual Path ABR Group and Virtual Channel ABR Group tables


Supported SNMP PDUs

DC-ILMI supports the following SNMP PDUs. For more information about how these are used in the ILMI protocol, refer to the ILMI specification.

  • GetRequest-PDU
  • GetNextRequest-PDU
  • GetResponse-PDU
  • SetRequest-PDU
  • Trap-PDU


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