D-Link DGS-3630-28SC Manual - Page 1036
area range
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Parameters AREA-ID no-summary DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Specifies the ID of the area to be assigned as an NSSA area. (Optional) Specifies that this function only takes effect when the router is an ABR. Default No NSSA area is defined. If no-summary is not specified, the summary route will be advertised to the NSSA area. Command Mode Router Configuration Mode. Command Default Level Level: 12. Usage Guideline The command no area AREA-ID nssa removes all NSSA related settings associated with the area. The area remains as an NSSA area. There are no external routes in an OSPF stub area, so routes cannot be redistributed from another protocol into a stub area. An NSSA allows external routes to be advertised to the area in the type-7 LSA. These routes are then leaked into other areas. Although, the external routes from other areas still do not enter the NSSA. Use the area nssa command to simplify administration if connecting a central site using OSPF to a remote site that is using a different routing protocol. Extend OSPF to cover the remote connection by defining the area between the central router and the remote router as a NSSA. For ASBR NSSA redistribution, external routes will only be redistributed to the NSSA area when redistribution is configured for the associated OSPF process. The external routes from other areas within the same AS will not be injected to the NSSA area. If there are multiple default routes generated into the NSSA area, the following priority will be followed: intra-route > inter-route > external route. Example This example shows how to configure the NSSA area. Switch# configure terminal Switch(config)# router ospf Switch(config-router)# area 1 nssa Switch(config-router)# 81-3 area range This command is used to summarize OSPF routes at an area border router. Use the no form of this command to remove the defined summarization of routes. area AREA-ID range NETWORK-PREFIX NETWORK-MASK [advertise | no-advertise] no area AREA-ID range NETWORK-PREFIX NETWORK-MASK 1031
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1,669
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1,670
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1,673
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