Editing Open Shortest Path First (section)

==== OSPF v2 area types and accepted LSAs ====
Not all area types use all LSA. Below is a matrix of accepted LSAs.
{| class="wikitable mw-collapsible" style="text-align:center;"
|+ class="nowrap" | Overview of OSPF area types and accepted LSAs:
<ref>{{cite web |title=juniper configuring-ospf-areas |url=https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/topic-map/configuring-ospf-areas.html#id-ospf-designated-router-overview |website=Juniper Networks |access-date=23 October 2021 |language=en |date=18 January 2021 |archive-date=October 23, 2021 |archive-url=https://web.archive.org/web/20211023171518/https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/topic-map/configuring-ospf-areas.html#id-ospf-designated-router-overview |url-status=live }}</ref>
<ref>{{cite web |title=OSPF Area's Explained |url=https://www.packetcoders.io/ospf-areas-explained/ |website=Packet Coders |access-date=23 October 2021 |language=en |date=23 January 2019 |archive-date=October 23, 2021 |archive-url=https://web.archive.org/web/20211023171518/https://www.packetcoders.io/ospf-areas-explained/ |url-status=live }}</ref>
|- style="text-align:left;"
! 
! colspan="3" style="text-align:center;" | Within a single area
! colspan="3" style="text-align:center;" | Inter area
|-
| style="text-align:left;" | Area type
| '''LSA 1 - router'''
| '''LSA 2 - network'''
| '''LSA 7 - NSSA external'''
| '''LSA 3 - network summary'''
| '''LSA 4 - ASBR Summary'''
| '''LSA 5 - AS external'''
|-
| style="text-align:right;"| Backbone
| {{yes|Yes}}
| {{yes|Yes}}
| {{no| No, converted into a Type 5 by the ABR}}
| {{yes|Yes}}
| {{yes|Yes}}
| {{yes|Yes}}
|-
| style="text-align:right;" | Non-backbone
| {{yes|Yes}}
| {{yes|Yes}}
| {{no| No, converted into a Type 5 by the ABR}}
| {{yes|Yes}}
| {{yes|Yes}}
| {{yes|Yes}}
|-
| style="text-align:right;" | Stub
| {{yes|Yes}}
| {{yes|Yes}}
| {{no|No, Default route}}
| {{yes|Yes}}
| {{no|No, Default route}}
| {{no|No, Default route}}
|-
| style="text-align:right;" | Totally stubby
| {{yes|Yes}}
| {{yes|Yes}}
| {{no|No, Default route}}
| {{no|No, Default route}}
| {{no|No, Default route}}
| {{no|No, Default route}}
|-
| style="text-align:right;" | Not-so-stubby
| {{yes|Yes}}
| {{yes|Yes}}
| {{yes|Yes}}
| {{yes|Yes}}
| {{no|No, Default route}}
| {{no|No, Default route}}
|-
| style="text-align:right;" | Totally not-so-stubby
| {{yes|Yes}}
| {{yes|Yes}}
| {{yes|Yes}}
| {{no|No, Default route}}
| {{no|No, Default route}}
| {{no|No, Default route}}
|}