Switch User Manual

86 IP Routing Conﬁguration and Management

[advertise-mode {no-summarize | summarize | suppress}]

[advertise-metric {0-65535}]]

The following table outlines the parameters for this command.

area parameters

Parameter Description

ip_address Speciﬁes the Area ID expressed as IP address (A.B.C.D).

default-cost

{0-16777215}

The default cost associated with an OSPF stub area.

import {external |

noexternal | nssa}

The area’s support for importing Autonomous System

external link state advertisements.

import-summaries

{enable}

Controls the import of summary link state advertisements

into stub areas. This setting has no effect on other areas.

range {subnet_mask}

[{nssa-entlink |

summary-link}]

[advertise-mode

{ no-summarize

| summarize

| suppress}]

[advertise-metric

{0-65535}]

Used to specify range parameters for the OSPF area.

The area command is executed in the Router Conﬁguration mode.

Note: The conﬁguration of a totally stubby area (no summary

advertising) is a two step process. First, deﬁne an area with the

import ﬂag set to noexternal. Second, disable import summaries

in the same area with the command no area <ip_address>

import-summaries enable.

no area command

The no area command is used to disable conﬁgured OSPF area

parameters.

The syntax of the no area command is:

no area <ip_address> [import-summaries {enable} | range

{subnet_mask} {nssa-entlink | summary-link}]

The following table outlines the parameters for this command.

Nortel Ethernet Routing Switch 5500 Series

Conﬁguration-IP Routing Protocols

NN47200-503 03.01 Standard

5.1 27 August 2007