Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.5 - Page 1003
track ipv6 route reachability
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Related Commands When you configure the threshold of an IPv6 route metric as a tracked object, the UP/DOWN state of the tracked route is also determined by the current metric for the route 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 scaled metric value communicated to a client always considers a lower value to have priority over a higher value. The resulting scaled value is compared against the configured threshold values to determine the state of a tracked route as follows: • If the scaled metric for a route entry is less than or equal to the UP threshold, the state of a route is UP. • If the scaled metric for a route is greater than or equal to the DOWN threshold or the route is not entered in the routing table, the state of a route is DOWN. You configure the UP and DOWN thresholds for each tracked IPv6 route by using the threshold metric command. The default UP threshold is 254; the default DOWN threshold is 255. The notification of a change in the state of a tracked object is sent when a metric value crosses a configured threshold. • show track ipv6 route - display information about tracked IPv6 routes, including configuration, current state, and clients which track the route. • threshold metric - configure the metric threshold used to determine the UP and/or DOWN state of a tracked route. • track resolution ipv6 route - configure the protocol-specific resolution value used to scale an IPv6 route metric. track ipv6 route reachability Configure object tracking on the reachability of an IPv6 route. Syntax track object-id ipv6 route ip-address/prefix-len reachability To return to the default setting, use the no track object-id command. Parameters object-id ipv6-address/ prefix-len Enter the ID number of the tracked object. The range is 1 to 500. Enter an IPv6 address in X:X:X:X::X format. The valid IPv6 prefix lengths are from /0 to / 128. Defaults None Command Modes CONFIGURATION Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide. Version Description 9.10(0.1) 9.10(0.0) 9.10(0.0) 9.8(2.0) 9.8(1.0) 9.8(0.0P5) 9.8(0.0P2) 9.7(0.0) 8.3.12.0 8.4.1.0 Introduced on the S6010-ON and S4048T-ON. Introduced on the S3148. Introduced on the S6100-ON. Introduced on the S3100 series. Introduced on the Z9100-ON. Introduced on the S4048-ON. Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the S4810. Introduced. Usage Information Use this command to create an object that tracks the reachability of an IPv6 route. In order for a route's reachability to be tracked, the route must appear as an entry in the routing table. Object Tracking 1003
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