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    OSPF Feature Guide for Routing Devices

    OSPF is an interior gateway protocol (IGP) that routes packets within a single autonomous system (AS). OSPF uses link-state information to make routing decisions, making route calculations using the shortest path first (SPF) algorithm (also known as the Dijkstra algorithm). Junos OS supports OSPF version 2 (OSPFv2) and OSPF version 3 (OSPFv3). The topics on this page provide information about OSPF for devices running Junos OS.

            

    Junos OS Routing Protocols Library for Routing Devices

    Basic OSPF Area Configuration

    Examples: Configuring OSPF Designated Routers

    Examples: Configuring OSPF Areas

    Advanced OSPF Area Configuration

    Examples: Configuring OSPF Stub and Not-So-Stubby Areas

    Example: Configuring OSPFv3 Stub and Totally Stubby Areas

    Example: Configuring OSPFv3 Not-So-Stubby Areas

    Example: Configuring OSPFv3 Not-So-Stubby Areas with Filtering

    Example: Configuring OSPF Multiarea Adjacency

    Example: Configuring a Multiarea Adjacency for OSPFv3

    Example: OSPF Virtual Links

    Example: Configuring OSPFv3 Virtual Links

    Example: Disabling OSPFv2 Compatibility with RFC 1583

    OSPF Interface Configuration

    Examples: Configuring OSPF Interfaces

    Example: Configuring Multiple Address Families for OSPFv3

    OSPF Route Control Configuration

    Examples: Configuring OSPF Route Summarization

    Examples: Configuring OSPF Traffic Control

    Example: Configuring OSPF Overload Mode

    Example: Configuring the OSPF Routing Algorithm

    Example: Configuring Synchronization Between LDP and OSPF

    Configuring OSPF Refresh and Flooding Reduction in Stable Topologies

    OSPF Security Configuration

    Examples: Configuring OSPF Authentication

    OSPF Routing Instances Configuration

    Example: Configuring OSPF Routing Instances

    OSPF Fault Detection Configuration

    Example: Configuring OSPF Timers

    Example: Configuring BFD for OSPF

    Example: Configuring BFD Authentication for OSPF

    OSPF Redundancy Features Configuration

    Examples: Configuring Graceful Restart for OSPF

    Examples: Configuring Loop-Free Alternate Routes for OSPF

    OSPF Traffic Engineering Configuration

    Examples: Configuring OSPF Traffic Engineering

    Example: Configuring OSPF Passive Traffic Engineering Mode

    Example: Advertising Label-Switched Paths into OSPFv2

    OSPFv2 Sham Link Configuration

    Example: Configuring OSPFv2 Sham Links

    OSPF Database Protection Configuration

    Example: Configuring OSPF Database Protection

    OSPF Policy Configuration

    Examples: Configuring OSPF Routing Policy

    Examples: Configuring Routing Policy for Network Summaries

    Example: Redistributing OSPF Routes into IS-IS

    OSPF and Logical Systems Configuration

    Examples: Configuring OSPF and Logical Systems

    OSPF Monitoring Configuration

    Example: Configuring OSPF Trace Options

    OSPF Configuration Statements

    [edit protocols ospf] Hierarchy Level

    [edit protocols ospf3] Hierarchy Level

    area

    area-range

    authentication

    backup-spf-options

    bandwidth-based-metrics

    bfd-liveness-detection

    context-identifier (Protocols OSPF)

    database-protection

    dead-interval

    default-lsa

    default-metric

    demand-circuit

    disable

    disable (OSPF)

    domain-id

    domain-vpn-tag

    export

    external-preference (Protocols OSPF)

    flood-reduction

    graceful-restart (Protocols OSPF)

    hello-interval (Protocols OSPF)

    helper-disable (OSPF)

    hold-time (Protocols OSPF)

    ignore-lsp-metrics

    import (Protocols OSPF)

    inter-area-prefix-export

    inter-area-prefix-import

    interface (Protocols OSPF)

    interface-type (Protocols OSPF)

    ipsec-sa (Protocols OSPF)

    label-switched-path (Protocols OSPF)

    ldp-synchronization

    link-protection (Protocols OSPF)

    lsa-refresh-interval

    lsp-metric-into-summary

    md5

    metric (Protocols OSPF Interface)

    metric-type

    neighbor (Protocols OSPF)

    network-summary-export

    network-summary-import

    no-domain-vpn-tag

    no-eligible-backup (Protocols OSPF)

    no-interface-state-traps

    no-neighbor-down-notification

    no-nssa-abr

    no-rfc-1583

    node-link-protection (Protocols OSPF)

    nssa

    ospf

    ospf3

    overload (Protocols OSPF)

    passive (Protocols OSPF)

    peer-interface (Protocols OSPF)

    poll-interval

    preference (Protocols OSPF)

    prefix-export-limit (Protocols OSPF)

    priority (Protocols OSPF)

    protocols

    realm

    reference-bandwidth (Protocols OSPF)

    retransmit-interval

    rib-group (Protocols OSPF)

    route-type-community

    routing-instances

    secondary (Protocols OSPF)

    sham-link

    sham-link-remote

    shortcuts (Protocols OSPF)

    simple-password

    spf-options (Protocols OSPF)

    stub

    summaries

    te-metric (Protocols OSPF)

    traceoptions (Protocols OSPF)

    traffic-engineering (OSPF)

    traffic-engineering (Passive TE Mode)

    transit-delay

    type-7

    virtual-link

     

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