Is there any alternative or new syntax to have the same result for the following command? ( on Vedge and Cedge)track 1 ip sla 1 reachabilityand then use Show track brief to monitor  the track.   

I would need help to know some useful Debug Commands that can be performed for troubleshooting purpose.also an example of their output.examples on topics to troubleshoot:1- only Vsmart Flapping randomly with underlay connection fine.2-IPSEC  tunnels ...