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Merge pull request #7122 from ckishimo/type4

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ospfd: do not generate type 4 LSA from NSSA ABR
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Russ White 2020-09-22 11:30:06 -04:00 committed by GitHub
commit b4b7ca8944
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1 changed files with 9 additions and 0 deletions
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9
ospfd/ospf_abr.c
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@ -1162,6 +1162,15 @@ static void ospf_abr_announce_rtr(struct ospf *ospf, struct prefix_ipv4 *p,
if (ospf_abr_nexthops_belong_to_area(or, area))
continue;
/* RFC3101: Do not generate ASBR type 4 LSA if NSSA ABR */
if (or->u.std.external_routing == OSPF_AREA_NSSA) {
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
"ospf_abr_announce_rtr(): do not generate LSA Type-4 %s from NSSA",
inet_ntoa(p->prefix));
continue;
}
if (area->external_routing != OSPF_AREA_DEFAULT) {
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(