summaryrefslogtreecommitdiffstats
path: root/zebra/zebra_nhg.c
diff options
context:
space:
mode:
Diffstat (limited to 'zebra/zebra_nhg.c')
-rw-r--r--zebra/zebra_nhg.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/zebra/zebra_nhg.c b/zebra/zebra_nhg.c
index 6a43fe0c8..712b2534c 100644
--- a/zebra/zebra_nhg.c
+++ b/zebra/zebra_nhg.c
@@ -3145,8 +3145,8 @@ backups_done:
remove = new_nhe;
- if (old_re && old_re->type == re->type &&
- old_re->instance == re->instance)
+ if (old_re && old_re->type == re->type && old_re->instance == re->instance &&
+ new_nhe != old_re->nhe)
new_nhe = zebra_nhg_rib_compare_old_nhe(rn, re, new_nhe,
old_re->nhe);
@@ -3454,7 +3454,13 @@ void zebra_nhg_dplane_result(struct zebra_dplane_ctx *ctx)
ZAPI_NHG_INSTALLED);
break;
case ZEBRA_DPLANE_REQUEST_FAILURE:
- UNSET_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED);
+ /*
+ * With a request failure it is unknown what we now know
+ * this is because Zebra has lost track of whether or not
+ * any previous versions of this NHG are in the kernel
+ * or even what those versions were. So at this point
+ * we cannot unset the INSTALLED flag.
+ */
/* If daemon nhg, send it an update */
if (PROTO_OWNED(nhe))
zsend_nhg_notify(nhe->type, nhe->zapi_instance,
@@ -3918,7 +3924,14 @@ void zebra_interface_nhg_reinstall(struct interface *ifp)
__func__, ifp->name);
frr_each (nhg_connected_tree, &zif->nhg_dependents, rb_node_dep) {
+ /*
+ * The nexthop associated with this was set as !ACTIVE
+ * so we need to turn it back to active when we get to
+ * this point again
+ */
+ SET_FLAG(rb_node_dep->nhe->nhg.nexthop->flags, NEXTHOP_FLAG_ACTIVE);
nh = rb_node_dep->nhe->nhg.nexthop;
+
if (zebra_nhg_set_valid_if_active(rb_node_dep->nhe)) {
if (IS_ZEBRA_DEBUG_NHG_DETAIL)
zlog_debug(