diff options
Diffstat (limited to 'ospfd/ospfd.c')
| -rw-r--r-- | ospfd/ospfd.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/ospfd/ospfd.c b/ospfd/ospfd.c index a839806720..d8be19db9a 100644 --- a/ospfd/ospfd.c +++ b/ospfd/ospfd.c @@ -1603,7 +1603,8 @@ int ospf_area_nssa_unset(struct ospf *ospf, struct in_addr area_id, int argc) OSPF_NSSA_TRANS_STABLE_DEFAULT; ospf_area_type_set(area, OSPF_AREA_DEFAULT); } else { - area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; + ospf_area_nssa_translator_role_set(ospf, area_id, + OSPF_NSSA_ROLE_CANDIDATE); } ospf_area_check_free(ospf, area_id); @@ -1620,7 +1621,19 @@ int ospf_area_nssa_translator_role_set(struct ospf *ospf, if (area == NULL) return 0; - area->NSSATranslatorRole = role; + if (role != area->NSSATranslatorRole) { + if ((area->NSSATranslatorRole == OSPF_NSSA_ROLE_ALWAYS) + || (role == OSPF_NSSA_ROLE_ALWAYS)) { + /* RFC 3101 3.1 + * if new role is OSPF_NSSA_ROLE_ALWAYS we need to set + * Nt bit, if the role was OSPF_NSSA_ROLE_ALWAYS we need + * to clear Nt bit + */ + area->NSSATranslatorRole = role; + ospf_router_lsa_update_area(area); + } else + area->NSSATranslatorRole = role; + } return 1; } |