I am trying to setup "Dynamic Failover with IP SLA" per the instructions detailed here: http://www.ciscoblog.com/archives/2008/08/dynamic_failove.html
I am getting an error when I try to enter the number one (or anything after 'ip sla')
% Invalid input detected at '^' marker.
Do I need to turn something on first, before I use this?
Always rely on the online help. If you add the monitor option, you will be able to complete the command:
IP SLA configuration varies among IOS releases. Either rely on the online help or hit the IOS documentation for any variation of the command.