FD 100/320Gbps NT and FX NT IHub Services Guide Virtual Private Routed Network Service
Issue: 13 3HH-11985-AAAA-TQZZA 539
7.10.10.33 preference
Table 571 preference command
Context configure>service>vprn>ospf
Description When the router is in an overload state, the router is used only if there is no other router to
reach the destination. This command configures the IGP upon bootup in the overload state
until one of the following events occur:
• The timeout timer expires.
• A manual override of the current overload state is entered with the no overload command.
The no overload command does not affect the overload-on-boot function.
The no form of the command removes the overload-on-boot functionality from the
configuration.
Default no overload-on-boot
Parameters timeout seconds — Specifies the number of seconds to reset overloading.
Values: 60 —1800
Default: 60
Item Description
(2 of 2)
Item Description
Syntax preference preference
no preference
Context configure>service>vprn>ospf
Description This command configures the preference for OSPF internal routes.
A route can be learned by the router from different protocols in which case the costs are not
comparable; when this occurs the preference is used to decide which route will be used.
Different protocols should not be configured with the same preference, if this occurs the
tiebreaker is per the default preference table as defined in Table 572. If multiple routes are
learned with an identical preference using the same protocol, the lowest cost route is used.
If multiple routes are learned with an identical preference using the same protocol and the
costs (metrics) are equal, then the decision of what route to use is determined by the
configuration of the ecmp in the configure>router context.
The no form of the command reverts to the default value.
Default preference 10 — OSPF internal routes have a default preference of 10.
Parameters preference — The preference for internal routes expressed as a decimal integer.
Values: 1 — 255
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