# OSPFv2 LSA Type 4 (ASBR Summary LSA)

**URL:** <https://forum.networklessons.com/t/ospfv2-lsa-type-4-asbr-summary-lsa/58792>\
**Category:** Lessons Discussion\
**Created:** [March 19, 2026, 3:04pm UTC](https://forum.networklessons.com/t/ospfv2-lsa-type-4-asbr-summary-lsa/58792 "2026-03-19T15:04:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ReneMolenaar](https://cdn-forum.networklessons.com/user_avatar/forum.networklessons.com/renemolenaar/32/488_2.png) [@ReneMolenaar](https://forum.networklessons.com/u/ReneMolenaar)\
**Post date:** [March 19, 2026, 3:04pm UTC](https://forum.networklessons.com/t/ospfv2-lsa-type-4-asbr-summary-lsa/58792/1 "2026-03-19T15:04:03Z")

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This topic is to discuss the following lesson:

> **[OSPFv2 LSA Type 4 (ASBR Summary LSA)](https://networklessons.com/ospf/ospfv2-lsa-type-4-asbr-summary-lsa)**
>
> OSPFv2 LSA Type 4 (Summary LSA) includes the ASBR address and is flooded in all areas so routers know how to find the ASBR.