Command Reference Guide

1044 | Object Tracking
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Information
Use this command to configure the protocol-specific resolution value that converts the actual metric of
an IPv6 route in the routing table to a scaled metric in the range 0 to 255.
The UP/DOWN state of a tracked IPv6 route is determined by the user-configurable threshold
(threshold metric command) for a route’s metric in the routing table. To provide a common tracking
interface for different clients, route metrics are scaled in the range 0 to 255, where 0 is connected and
255 is inaccessible.
The protocol-specific resolution value calculates the scaled metric by dividing a route's cost by the
resolution value set for the route protocol:
• For ISIS, you can set the resolution in the range 1 to 1000, where the default is 10.
• For OSPF, you can set the resolution in the range 1 to 1592, where the default is 1.
• The resolution value used to map static routes is not configurable. By default, FTOS assigns a
metric of 0 to static routes.
• The resolution value used to map RIP routes is not configurable. The RIP hop-count is
automatically multiplied by 16 to scale it. For example, a RIP metric of 16 (unreachable) scales to
256, which considers the route to be DOWN.
threshold metric Configure the metric threshold used to determine the UP and/or DOWN state of a tracked
route.
track ipv6 route
metric threshold
Configure object tracking on the threshold of an IPv6 route metric.