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| author | Renato Westphal <renato@opensourcerouting.org> | 2021-08-24 22:35:21 +0200 |
|---|---|---|
| committer | Renato Westphal <renato@opensourcerouting.org> | 2021-09-07 16:43:35 +0200 |
| commit | 8a60820f70cb9b218fdb87100caaca45c42f1a36 (patch) | |
| tree | 6e2c445a11803dcb07968c0b3df4b67f6ab827ac /ospf6d/ospf6_abr.c | |
| parent | Merge pull request #9577 from slankdev/slankdev-topotest-nsenter (diff) | |
| download | frr-8a60820f70cb9b218fdb87100caaca45c42f1a36.tar.xz frr-8a60820f70cb9b218fdb87100caaca45c42f1a36.zip | |
ospf6d: add support for NSSA totally stub areas
Add a knob to turn a NSSA area into a totally stub area. In this
configuration a Type-3 default summary route is generated by default.
Syntax: `area A.B.C.D nssa no-summary`.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Diffstat (limited to 'ospf6d/ospf6_abr.c')
| -rw-r--r-- | ospf6d/ospf6_abr.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/ospf6d/ospf6_abr.c b/ospf6d/ospf6_abr.c index 650262f1a..aa8547567 100644 --- a/ospf6d/ospf6_abr.c +++ b/ospf6d/ospf6_abr.c @@ -748,7 +748,15 @@ void ospf6_abr_defaults_to_stub(struct ospf6 *o) def->path.cost = metric_value(o, type, 0); for (ALL_LIST_ELEMENTS(o->area_list, node, nnode, oa)) { - if (!IS_AREA_STUB(oa)) { + if (IS_AREA_STUB(oa) || (IS_AREA_NSSA(oa) && oa->no_summary)) { + /* announce defaults to stubby areas */ + if (IS_OSPF6_DEBUG_ABR) + zlog_debug( + "Announcing default route into stubby area %s", + oa->name); + UNSET_FLAG(def->flag, OSPF6_ROUTE_REMOVE); + ospf6_abr_originate_summary_to_area(def, oa); + } else { /* withdraw defaults when an area switches from stub to * non-stub */ route = ospf6_route_lookup(&def->prefix, @@ -762,14 +770,6 @@ void ospf6_abr_defaults_to_stub(struct ospf6 *o) SET_FLAG(def->flag, OSPF6_ROUTE_REMOVE); ospf6_abr_originate_summary_to_area(def, oa); } - } else { - /* announce defaults to stubby areas */ - if (IS_OSPF6_DEBUG_ABR) - zlog_debug( - "Announcing default route into stubby area %s", - oa->name); - UNSET_FLAG(def->flag, OSPF6_ROUTE_REMOVE); - ospf6_abr_originate_summary_to_area(def, oa); } } ospf6_route_delete(def); |