Microsoft ES4612 Manuel D’Utilisation

IP Routing Commands

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The following shows output when using the summary keyword.

Number of TOS metrics Type of Service metric – This router only supports TOS 0 (or normal service)
Metrics

Cost of the link

Console#show ip ospf database summary

OSPF Router with id(10.1.1.253)

          Displaying Summary Net Link States(Area 10.1.0.0)

Link State Data Summary (Type 3)
-------------------------------

LS age: 686
Options: Support External routing capability
LS Type: Summary Links(Network)
Link State ID: 10.2.6.0 (The destination Summary Network Number)
Advertising Router: 10.1.1.252
LS Sequence Number: 80000003
LS Checksum: 0x3D02
Length: 28
Network Mask: 255.255.255.0
Metric: 1

Console#

OSPF Router id

Router ID

LS age

Age of LSA (in seconds)

Options

Optional capabilities associated with the LSA

LS Type

Summary Links - LSA describes routes to networks

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

Network Mask

Destination network’s IP address mask

Metrics

Cost of the link

Table 4-93   show ip ospf router - display description (Continued)