Microsoft ES4612 Manuel D’Utilisation

Command Line Interface

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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#

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