Revision c27b2449 doc/bird.sgml

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doc/bird.sgml
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<sect1>Attributes
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<p>OSPF defines three route attributes. Each internal route has a <cf/metric/
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<p>OSPF defines four route attributes. Each internal route has a <cf/metric/.
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Metric is ranging from 1 to infinity (65535).
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External routes use <cf/metric type 1/ or <cf/metric type 2/.
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A <cf/metric of type 1/ is comparable with internal <cf/metric/, a
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Each external route can also carry a <cf/tag/ which is a 32-bit
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integer which is used when exporting routes to other protocols;
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otherwise, it doesn't affect routing inside the OSPF domain at all.
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The fourth attribute is a <cf/router_id/ of the router advertising
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that route/network. This attribute is read-only.
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Default is <cf/metric of type 2 = 10000/ and <cf/tag = 0/.
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<sect1>Example

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