Users Guide

Table Of Contents
Usage Information The cost is also referred as reference-bandwidth or bandwidth. Use the area default-cost command on
the border routers at the edge of a stub area. The no version of this command resets the value to the default.
Example
OS10(conf-router-ospf-10)# area 10.10.1.5 default-cost 10
Supported
Releases
10.2.0E or later
area nssa
Defines an area as a NSSA.
Syntax
area area-id nssa [default-information-originate | no-redistribution | no-
summary]
Parameters
area-id — Enter the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535.
no-redistribution — (Optional) Prevents the redistribute command from distributing routes into
the NSSA. Use no-redistribution command only in an NSSA ABR.
no-summary — (Optional) Ensures that no summary LSAs are sent to the NSSA.
Default Not configured
Command Mode ROUTER-OSPF
Usage Information The no version of this command deletes an NSSA.
Example
OS10(conf-router-ospf-10)# area 10.10.1.5 nssa
Supported
Releases
10.2.0E or later
area range
Summarizes routes matching an address/mask at an area in ABRs.
Syntax
area area-id range ip-address [no-advertise]
Parameters
area-id — Set the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535.
ip-address — (Optional) Enter an IP address/mask in dotted decimal format.
no-advertise — (Optional) Set the status to Do Not Advertise. The Type 3 summary-LSA is suppressed
and the component networks remain hidden from other areas.
Default Not configured
Command Mode ROUTER-OSPF
Usage Information The no version of this command disables the route summarizations.
Example
OS10(conf-router-ospf-10)# area 0 range 10.1.1.4/8 no-advertise
Supported
Releases
10.2.0E or later
area stub
Defines an area as the OSPF stub area.
Syntax
area area-id stub [no-summary]
Parameters
area-id—Set the OSPF area ID as an IP address in A.B.C.D format or number, from 1 to 65535.
no-summary—(Optional) Prevents an ABR from sending summary LAs into the stub area.
Default Not configured
Command Mode ROUTER-OSPF
Layer 3 621