Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 459
Host tracking
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• Loopback - Loopback interface identifier • mgmt - Management interface 1 Configure object tracking in CONFIGURATION mode from 1 to 500. track object-id 2 (Optional) Enter the interface object tracking on the line-protocol state of a Layer 2 interface in OBJECT TRACKING mode. interface interface line-protocol 3 (Optional) Configure the time delay used before communicating a change to the status of a tracked interface in OBJECT TRACKING mode from 0 to 80 seconds; default 0. delay [up seconds] [down seconds] 4 (Optional) View the tracked object information in EXEC mode. show track object-id 5 (Optional) View all interface object information in EXEC mode. show track interface 6 (Optional) View all IPv4 or IPv6 next-hop object information in EXEC mode. show track [ip | ipv6] 7 (Optional) View brief status of object information in EXEC mode. show track brief Configure object tracking OS10(config)# track 1 OS10(conf-track-1)# interface ethernet 1/1/1 line-protocol OS10(conf-track-1)# delay up 20 OS10(conf-track-1)# delay down 10 OS10(conf-track-1)# do show track 1 Interface ethernet1/1/1 line-protocol Line protocol is UP 1 changes, Last change 2017-04-26T06:41:36Z Host tracking If you configure an IP host as a tracked object, the entry or the next-hop address in the ARP cache determines the Up or Down state of the route. A tracked host is reachable if there is an ARP cache entry for the router's next-hop address. An attempt to regenerate the ARP cache entry occurs if the next-hop address appears before considering the route Down. 1 Configure object tracking in CONFIGURATION mode. track object-id 2 Enter the host IP address for reachability of an IPv4 or IPv6 route in OBJECT TRACKING mode. [ip | ipv6] host-ip-address reachability 3 Configure the time delay used before communicating a change in the status of a tracked route in OBJECT TRACKING mode. delay [up seconds] [down seconds] 4 Track the host by checking the reachability periodically in OBJECT TRACKING mode. reachability-refresh interval 5 View the tracking configuration and the tracked object status in EXEC mode. show track object-id Configure IPv4 host tracking OS10 (conf-track-1)# track 2 OS10 (conf-track-2)# ip 1.1.1.1 reachability OS10 (conf-track-2)# do show track 2 IP Host 1.1.1.1 reachability Layer 3 459