Ascend Archive
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Re: (ASCEND) Pipeline 50 Q.
At 10:48 AM 10/5/97 EDT, Tim Basher wrote:
>> Connections->[name]->IP options->DownPreference=120
>> Connections->[name]->IP options->DownMetric=7
>> I've looked through the docs... but, it seems some of this isn't
documented.
>> What does DownPreference and DownMetric control in the Pipeline 50?
>
>Well, I looked through my documents and the release notes and could not
>find it either. It sounds like someone needs to notify the technical
>writers they missed something. [Yo! Kevin!]
Will do....if I don't find it either ;)
Your guesses are correct too...
>I can provide an educated guess that these are the Preference and Metric to
>use for the route when the connection is down (not connected). It would
>appear that the default [up] Preference is 60 and the default DownPreference
>is 120. The default [up] Metric is 1 and the default DownMetric is 7.
>
>> What does the 120 value mean? ...what does the 7 signify?
>
>Check the meaning of the Preference and Metric parameters in the Reference
>Manual for your Pipeline.
>
>The Preference is the "reliability" of the information associated with the
>route. Routes learned from more reliable sources (or more desirable routes)
>have a lower preference (and are therefore more preferable). Basically,
>if there is more than one source of information about a route (interface
>config, static route, RIP) the router will update the routing table with
>the information provided by the source whose preference is closer to zero.
>
>The Metric is the cost of using the link [in hops] - the higher the Metric,
>the higher the cost. If there are two routes to the same destination, the
>packets will travel route with the lowest cost [Metric].
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>
Kevin
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References: