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Open Shortest Path First (OSPF)
The following shows output when using the
router
keyword.
Console#show ip ospf database router
OSPF Router with id(10.1.1.253)
Displaying Router Link States(Area 10.1.0.0)
Link State Data Router (Type 1)
-------------------------------
LS age: 233
Options: Support External routing capability
LS Type: Router Links
Link State ID: 10.1.1.252 (Originating Router's Router ID)
Advertising Router: 10.1.1.252
LS Sequence Number: 80000011
LS Checksum: 0x7287
Length: 48
Router Role: Area Border Router
Number of Links: 1
-------------------------------------------------------
Link ID: 10.1.7.0 (IP Network/Subnet Number)
Link Data: 255.255.255.0 (Network's IP address mask)
Link Type: Connection to a stub network
Number of TOS metrics: 0
Metrics: 1
Console#
Table 42-16 show ip ospf router - display description
Field Description
OSPF Router id Router ID
LS age Age of LSA (in seconds)
Options Optional capabilities associated with the LSA
LS Type Router Link - LSA describes the router's interfaces.
Link State ID Router ID of the router that originated the LSA
Advertising Router Advertising router ID
LS Sequence Number Sequence number of LSA (used to detect older duplicate LSAs)
LS Checksum Checksum of the complete contents of the LSA
Length The length of the LSA in bytes
Router Role Description of router type, including:
None, AS Boundary Router, Area Border Router, or Virtual Link
Number of Links Number of links described by the LSA
Link ID Link type and corresponding Router ID or network address
Link Data • Router ID for transit network
• Network's IP address mask for stub network
• Neighbor Router ID for virtual link
Link Type Link-state type, including transit network, stub network, or virtual link
42
42-47