To ensure that OSPF calculates best routes without causing any l3 routing loop, OSPF Routers should have the same picture of routing topology within the same area. I think the import policy could be an option to control OSPF routes within the s...
The "ping" protection on a static route is supported in 16.1, 21.1 or later. You can modify parameters (interval and number of miss) for the ping protection with the following command.
# configure iproute protection ping interval miss
By default, the log messages that belong to 'critical', 'error', 'warning' severity levels are stored in NVRAM as shown in the output of 'show log config target nvram'.
# sh log configuration target nvram
Log Target : nvram
Enabled : ...