Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.0ER - Page 422
Interface/object tracking, Con tracking
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advertisment-interval centisecs 200 priority 200 virtual-address 10.1.1.1 ! interface ethernet1/1/2 switchport access vlan 1 no shutdown Interface/object tracking You can monitor the state of any interface according to the virtual group. OS10 supports a maximum of 10 track groups and each track group can track a maximum of five interfaces. If the tracked interface goes down, the VRRP group's priority decreases by a default value of 10 - also known as cost. If the tracked interface's state goes up, the VRRP group's priority increases by priority-cost. The lowered priority of the VRRP group may trigger an election. As the Master/Backup VRRP routers are selected based on the VRRP group's priority, tracking features ensure that the best VRRP router is the Master for that group. The priority cost of tracking group must be less than the configured priority on the VRRP group. If the VRRP group is configured as Owner router (priority 255), tracking for that group is disabled, regardless of the state of the tracked interfaces. The priority of the Owner group always remains at 255. For a virtual group, track the line-protocol state or the routing status of any interface with the interface command. Enter an interface type and node/slot/port[:subport] information, or VLAN number: • ethernet - Physical interface (1 to 48) • vlan - VLAN interface (1 to 4093) For a virtual group, track the status of a configured object with the track command and use the object number. You can also configure a tracked object for a VRRP group with this command before you create the tracked object. No changes in the VRRP group's priority occur until the tracked object is defined and determined to be down. Configure tracking To track the objects in a VRRP group or on interfaces, use the following commands. The sum of all the costs for all tracked interfaces must be less than the configured priority of the VRRP group. 1 Assign an object tracking unique ID number in CONFIGURATION mode (1 to 500). track track-id 2 Monitor an interface and set a value to subtract from the interface's VRRP group priority in Track CONFIGURATION mode. interface ethernet node/slot/port[:subport] 3 (Optional) View the configuration of tracked objects in VRRP groups on a specified interface in Track CONFIGURATION mode. do show running-config interface interface Configure interface tracking OS10(config)# track 10 OS10(conf-track-10)# interface ethernet 1/1/5 View running configuration OS10(conf-track-10)# do show running-configuration ! Version 10.1.9999P.2281 ! Last configuration change at Jul ! aaa authentication system:local ! interface ethernet1/1/1 27 03:24:01 2016 422 Layer 3
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