diff options
Diffstat (limited to 'proto/ospf/iface.c')
| -rw-r--r-- | proto/ospf/iface.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c index 290a8634..39084cef 100644 --- a/proto/ospf/iface.c +++ b/proto/ospf/iface.c @@ -574,8 +574,22 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i init_list(&ifa->nbma_list); WALK_LIST(nb, ip->nbma_list) - if (ipa_in_net(nb->ip, addr->prefix, addr->pxlen)) - add_nbma_node(ifa, nb, 0); + { + /* In OSPFv3, addr is link-local while configured neighbors could + have global IP (although RFC 5340 C.5 says link-local addresses + should be used). Because OSPFv3 iface is not subnet-specific, + there is no need for ipa_in_net() check */ + +#ifdef OSPFv2 + if (!ipa_in_net(nb->ip, addr->prefix, addr->pxlen)) + continue; +#else + if (!ipa_has_link_scope(nb->ip)) + log(L_WARN "In OSPFv3, configured neighbor address (%I) should be link-local", nb->ip); +#endif + + add_nbma_node(ifa, nb, 0); + } ifa->state = OSPF_IS_DOWN; add_tail(&oa->po->iface_list, NODE ifa); @@ -771,8 +785,14 @@ ospf_iface_reconfigure(struct ospf_iface *ifa, struct ospf_iface_patt *new) /* NBMA LIST - add new */ WALK_LIST(nb, new->nbma_list) { + /* See related note in ospf_iface_new() */ +#ifdef OSPFv2 if (!ipa_in_net(nb->ip, ifa->addr->prefix, ifa->addr->pxlen)) continue; +#else + if (!ipa_has_link_scope(nb->ip)) + log(L_WARN "In OSPFv3, configured neighbor address (%I) should be link-local", nb->ip); +#endif if (! find_nbma_node(ifa, nb->ip)) { |