Frame Relay - PowerPoint PPT Presentation

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Frame Relay

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... Consultative Committee on International Telephone and Telegraph (CCITT) in 1984. A major development in Frame Relay's history occurred in 1990 when Cisco, ... – PowerPoint PPT presentation

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Title: Frame Relay


1
Frame Relay
2
Labs
  • 5.2.1 Configuring Frame Relay
  • 5.2.2 Configuring Frame Relay PVC

3
Standardisation
  • Initial proposals for the standardization of
    Frame Relay were presented to the Consultative
    Committee on International Telephone and
    Telegraph (CCITT) in 1984.
  • A major development in Frame Relay's history
    occurred in 1990 when Cisco, Digital Equipment
    Corporation (DEC), Northern Telecom, and
    StrataCom formed a consortium to focus on Frame
    Relay technology development. This consortium
    developed a specification that conformed to the
    basic Frame Relay protocol that was being
    discussed in CCITT, but it extended the protocol
    with features that provide additional
    capabilities for complex internetworking
    environments. These Frame Relay extensions are
    referred to collectively as the Local Management
    Interface (LMI).

4
  • Commands
  • Router(config-if) encapsulation frame-relay ietf
  • This uses the IETF (Internet Engineering Task
    Force) encapsulation, instead of the default
    Cisco encapsulation.
  • Router(config-if) frame-relay lmi-type ansi
  • This specifies the LMI (Local Management
    Interface) used by the router to talk to the
    Frame Relay switch. The LMI default is Cisco, and
    this overrides that with the ANSI standard
    version.

5
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6
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7
Sample Configs
8
Broadcasts
  • frame-relay map protocol protocol-address dlci
    broadcast ietf cisco
  • Broadcasts should be forwarded to this address
    when multicast is not enabled
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