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Dell SmartFabric OS10 User Guide Release 10.5.3

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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
You can use this command to summarize routes at ABR level. Summarized route must be installed in RTM and advertised over OSPFv3 neighbors at area border router level (ABR). The not-advertise option in the range command must suppress advertising of the specified summary route. Meaning, do not advertise the configured ABR summary route along with individual routes that fall under the summary route. Default behavior is advertise(set to TRUE. Type 3 summary-LSA is suppressed and the component networks remain hidden from other areas). This command is restricted to the netadmin, sysadmin, and secadmin user roles. 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
OS10(config-router-ospfv3-10)# area 1.1.1.1 range 101::/16
OS10(config-router-ospfv3-10)# show configuration
!
router ospfv3 10
area 1.1.1.1 range 101::/16

OS10(config-router-ospfv3-10)# area 1.1.1.1 range 101::/16
OS10(config-router-ospfv3-10)# show configuration
!
router ospfv3 10
area 1.1.1.1 range 101::/16
OS10(config-router-ospfv3-10)# area 1.1.1.1 range 101::/16 not-advertise
Suppress route summarization.  Advertise individual routes that fall under the summary route. 

OS10(config-router-ospfv3-10)# show configuration
!
router ospfv3 10
area 1.1.1.1 range 101::/16 not-advertise
OS10(config-router-ospfv3-10)# no area 1.1.1.1 range 101::/16 not-advertise
OS10(config-router-ospfv3-10)# show configuration
!
router ospfv3 10
area 1.1.1.1 range 101::/16

"no area 1.1.1.1 range 101::/16 not-advertise" re-allows route summarization to happen and only the summary route will be advertised.
Supported Releases
10.2.0E or later

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