Which routing table does a Junos OS device use for IPv4 by default?

In Junos OS, the default routing table for IPv4 addresses is named "inet.0." This routing table is specifically designed to store IPv4 routes and manage the associated traffic. When you configure static routes or receive routes from a routing protocol (like OSPF or BGP) for IPv4, these routes are automatically placed in the inet.0 table.

The naming convention in Junos OS helps distinguish between different types of protocol stacks. For instance, the "inet6.0" table is designated for IPv6 routes, while other tables like "ipv4.0" and "ipv6.0" are not standard tables used. Essentially, inet.0 serves as the primary repository for IPv4 routing information, enabling the efficient routing of IPv4 packets across the network.