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LevelOne GTL-2691 User Manual

Page 1507

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C

HAPTER

49

| IP Routing Commands

Open Shortest Path First (OSPFv2)

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The following shows output when using the external keyword.

Console#show ip ospf database external

OSPF Router process 100 with ID (10.10.11.50)

AS External Link States LS age: 298

Options: 0x2 (*|-|-|-|-|-|E|-)

LS Type: AS-external-LSA

Link State ID: 10.10.100.0 (External Network Number)

Advertising Router: 10.10.11.50

LS Seq Number: 80000001

Checksum: 0x7033

Length: 36

Network Mask: /24

Metric Type: 2 (Larger than any link state path)

TOS: 0

Metric: 20

Forward Address: 10.10.11.50

External Route Tag: 0

OSPF Router with ID (0.0.0.0) (Process ID 1)

AS External Link States

LS Age: 0

Options: 0x2 (*|-|-|-|-|-|E|-)

LS Type: AS-external-LSA

Link State ID: 0.0.0.0 (External Network Number)

Advertising Router: 192.168.0.2

LS Seq Number: 80000005

Checksum: 0xcc95

Length: 36

Network Mask: /0

Metric Type: 2 (Larger than any link state path)

TOS: 0

Metric: 1

Forward Address: 0.0.0.0

Table 208: show ip ospf database summary - 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

Summary Links - LSA describes routes to AS boundary routers

Link State ID

Interface address of the autonomous system boundary router

Advertising

Router

Advertising router ID

LS Sequence

Number

Sequence number of LSA (used to detect older duplicate LSAs)

Checksum

Checksum of the complete contents of the LSA

Length

The length of the LSA in bytes

Network Mask

Address mask for the network

TOS

Type of Service – This router only supports TOS 0 (or normal service)

Metric

Cost of the link