Parameter | Description |
Area Identity | An OSPF area identifier configured for a group of OSPF routers. |
Type | The link state advertisement type: |
| RtrLSA: Router LSA – All area routers advertise the state of links from the router |
| itself to the its local area. |
| NetLSA: Network LSA – The designated router for each area advertises the link |
| state for each transit area; i.e., an area with more than one attached router. This |
| LSA includes information about each router attached to the area, including the |
| designated router itself. |
| SumLSA: Summary LSA – Advertise the cost to a specific subnetwork outside |
| the router’s area, or the cost to a specific autonomous system boundary router. |
| ExtLSA: External LSA – Advertises link state information for each known |
| network outside the autonomous system. |
Link State ID | The identifier for the router originating this entry, usually in the form of an IP |
| address. |
Router ID | The IP address of the originating router. |
Sequence No. | The link state sequence number, used to remove previous duplicate LSAs. |
Age | The number of seconds since this LSA was originated. |
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WGS3 Layer 3 Switch User’s Manual | - 125 - |