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-rw-r--r--ospf6d/ospf6_top.c31
-rw-r--r--ospf6d/ospf6_top.h2
-rw-r--r--ospf6d/ospf6_zebra.c2
3 files changed, 27 insertions, 8 deletions
diff --git a/ospf6d/ospf6_top.c b/ospf6d/ospf6_top.c
index 6f40989efd..e098490285 100644
--- a/ospf6d/ospf6_top.c
+++ b/ospf6d/ospf6_top.c
@@ -225,7 +225,7 @@ static int ospf6_vrf_enable(struct vrf *vrf)
thread_add_read(master, ospf6_receive, ospf6, ospf6->fd,
&ospf6->t_ospf6_receive);
- ospf6_router_id_update(ospf6);
+ ospf6_router_id_update(ospf6, true);
}
}
@@ -440,7 +440,7 @@ struct ospf6 *ospf6_instance_create(const char *name)
if (DFLT_OSPF6_LOG_ADJACENCY_CHANGES)
SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
if (ospf6->router_id == 0)
- ospf6_router_id_update(ospf6);
+ ospf6_router_id_update(ospf6, true);
ospf6_add(ospf6);
if (ospf6->vrf_id != VRF_UNKNOWN) {
vrf = vrf_lookup_by_id(ospf6->vrf_id);
@@ -594,15 +594,34 @@ void ospf6_maxage_remove(struct ospf6 *o)
&o->maxage_remover);
}
-void ospf6_router_id_update(struct ospf6 *ospf6)
+void ospf6_router_id_update(struct ospf6 *ospf6, bool init)
{
+ in_addr_t new_router_id;
+ struct listnode *node;
+ struct ospf6_area *oa;
+
if (!ospf6)
return;
if (ospf6->router_id_static != 0)
- ospf6->router_id = ospf6->router_id_static;
+ new_router_id = ospf6->router_id_static;
else
- ospf6->router_id = ospf6->router_id_zebra;
+ new_router_id = ospf6->zebra_router_id;
+
+ if (ospf6->router_id == new_router_id)
+ return;
+
+ if (!init)
+ for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) {
+ if (oa->full_nbrs) {
+ zlog_err(
+ "%s: cannot update router-id. Save config and restart ospf6d\n",
+ __func__);
+ return;
+ }
+ }
+
+ ospf6->router_id = new_router_id;
}
/* start ospf6 */
@@ -694,7 +713,7 @@ static void ospf6_process_reset(struct ospf6 *ospf6)
ospf6->inst_shutdown = 0;
ospf6_db_clear(ospf6);
- ospf6_router_id_update(ospf6);
+ ospf6_router_id_update(ospf6, true);
ospf6_asbr_redistribute_reset(ospf6);
FOR_ALL_INTERFACES (vrf, ifp)
diff --git a/ospf6d/ospf6_top.h b/ospf6d/ospf6_top.h
index f0251bcb62..aba5d64536 100644
--- a/ospf6d/ospf6_top.h
+++ b/ospf6d/ospf6_top.h
@@ -175,7 +175,7 @@ extern void ospf6_master_init(struct thread_master *master);
extern void install_element_ospf6_clear_process(void);
extern void ospf6_top_init(void);
extern void ospf6_delete(struct ospf6 *o);
-extern void ospf6_router_id_update(struct ospf6 *ospf6);
+extern void ospf6_router_id_update(struct ospf6 *ospf6, bool init);
extern void ospf6_maxage_remove(struct ospf6 *o);
extern struct ospf6 *ospf6_instance_create(const char *name);
diff --git a/ospf6d/ospf6_zebra.c b/ospf6d/ospf6_zebra.c
index a7e15c68ae..1c9541710e 100644
--- a/ospf6d/ospf6_zebra.c
+++ b/ospf6d/ospf6_zebra.c
@@ -101,7 +101,7 @@ static int ospf6_router_id_update_zebra(ZAPI_CALLBACK_ARGS)
o->router_id_zebra = router_id.u.prefix4.s_addr;
- ospf6_router_id_update(o);
+ ospf6_router_id_update(o, false);
return 0;
}