What is ip route in Cisco?
The ip-route command manages static routes in the routing table. Issue this command for each static route to add to the routing table.
What does ip route 0.0 0.0 mean?
In IPv4-based routing, 0.0. 0.0 serves as a default route. This means no particular address has been designated in the routing table as the next hop in the packet's path to its final destination. When the default route is used with a subnet mask of 0.0.