Asante Technologies 40240/40480-10G User Manual

Page 761

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The following shows output when using the external keyword.

Console#show ip ospf database external

OSPF Router with id(192.168.5.1) (Autonomous system 5)

Displaying AS External Link States

LS age: 433
Options: (No TOS-capability)

LS Type: AS External Link

Link State ID: 10.1.1.253 (External Network Number)
Advertising Router: 10.1.2.254

LS Sequence Number: 80000002

LS Checksum: 0x51E2
Length: 32

Network Mask: 255.255.0.0

Metric Type: 2 (Larger than any link state path)
Metric: 1

Forward Address: 0.0.0.0

External Route Tag: 0

Console#

Table 42-14 show ip ospf external - 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

AS External Links - LSA describes routes to destinations outside the AS (including

default external routes for the AS)

Link State ID

IP network number (External Network Number)

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

Address mask for the network

Metric Type

Type 1 or Type 2 external metric (see “redistribute” on page 42-25)

Metrics

Cost of the link

Forward Address

Forwarding address for data to be passed to the advertised destination

(If set to 0.0.0.0, data is forwarded to the originator of the advertisement)

External Route Tag

32-bit field attached to each external route

(Not used by OSPF; may be used to communicate other information between

boundary routers as defined by specific applications)

42-45

Open Shortest Path First (OSPF)

42

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