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-rw-r--r--zebra/zebra_mpls.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/zebra/zebra_mpls.c b/zebra/zebra_mpls.c
index f905036323..1ac7bc7a2a 100644
--- a/zebra/zebra_mpls.c
+++ b/zebra/zebra_mpls.c
@@ -3321,7 +3321,7 @@ lsp_add_nhlfe(zebra_lsp_t *lsp, enum lsp_types_t type,
/*
* Install an LSP and forwarding entry; used primarily
- * from zapi message processing.
+ * from vrf zapi message processing.
*/
int mpls_lsp_install(struct zebra_vrf *zvrf, enum lsp_types_t type,
mpls_label_t in_label, uint8_t num_out_labels,
@@ -3381,6 +3381,10 @@ static int lsp_znh_install(zebra_lsp_t *lsp, enum lsp_types_t type,
memcpy(nhlfe->nexthop->backup_idx, znh->backup_idx,
znh->backup_num);
SET_FLAG(nhlfe->nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP);
+ } else {
+ /* Ensure there's no stale backup info */
+ UNSET_FLAG(nhlfe->nexthop->flags, NEXTHOP_FLAG_HAS_BACKUP);
+ nhlfe->nexthop->backup_num = 0;
}
/* Queue LSP for processing. */