OSPF: Difference between revisions
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;Type 4 - ASBR summary LSA / ASBR Location |
;Type 4 - ASBR summary LSA / ASBR Location |
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Same as summary LSA except the destination advertised by ABR is ASBR. |
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ABR which is in the same area as the ASBR will originate the Type 4 LSA. |
ABR which is in the same area as the ASBR will originate the Type 4 LSA. |
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Represents ASBRs |
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Identical in structure to a type 3 LSA |
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The (assumed) presence of an ASBR is communicated from its immediate ABR (router B in this example) via a type 1 LSA with the E flag set (which does not constitute a type 4 LSA) sent into the backbone area 0. |
The (assumed) presence of an ASBR is communicated from its immediate ABR (router B in this example) via a type 1 LSA with the E flag set (which does not constitute a type 4 LSA) sent into the backbone area 0. |