OSPF Operational Mode Commands

Table 28 summarizes the command-line interface (CLI) commands you can use to monitor Open Shortest Path First (OSPF) protocol version 2 and OSPF version 3. In the table, the commands are grouped by functionality. In the remainder of this chapter, they are explained alphabetically.

Table 28: Commands for Monitoring OSPF

Task or Information to Monitor	Command
Status of interfaces on which OSPF is running	show (ospf | ospf3) interface
Link-state database entries for OSPF version 2	show ospf database
Link-state database entries for OSPF version 3	show ospf3 database
Clear link-state database entries	clear (ospf | ospf3) database
OSPF routing table entries	show (ospf | ospf3) route
Adjacent routers	show (ospf | ospf3) neighbor
	clear (ospf | ospf3) neighbor
SPF log	show ospf log
OSPF input and output statistics	show ospf io-statistics
General OSPF statistics	show ospf statistics
	clear ospf statistics