To display the Open Shortest Path First (OSPF) topology table, use the show ip ospf routes command.
show ip ospf [ instance-tag ] routes [ prefix / length | summary } [ vrf vrf-name ]
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instance-tag
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(Optional) Name of the OSPF instance. Specify as an alphanumeric string of 20 characters.
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prefix
/
length
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(Optional) IP prefix, which limits output to a specific route. Indicate the length as a slash (/) and number from 1 to 31. For example, /8 indicates that the first eight bits in the IP prefix are network bits.
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summary
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(Optional) Displays a summary of all routes.
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vrf
vrf-name
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(Optional) Specifies the name of the virtual routing and forwarding (VRF) instance. The
vrf-name
argument can be specified as any case-sensitive, alphanumeric string up to 32 characters. The strings default, management, and all are reserved VRF names.
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None
Any command mode
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Release
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Modification
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5.0(3)N1(1)
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This command was introduced.
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Use the show ospf routes command to display the OSPF private routing table (which contains only routes that are calculated by OSPF). If something is wrong with a route in the routing information base (RIB), then you should check the OSPF copy of the route to determine if it matches the RIB contents. If it does not match, a synchronization problem exists between OSPF and the RIB.
This command requires the LAN Base Services license.
This example shows how to display OSPF routes:
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Command
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Description
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show running-config ospf
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Displays the OSPF running configuration.
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