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| author | Mark Stapp <mjs@voltanet.io> | 2020-08-04 12:46:26 -0400 |
|---|---|---|
| committer | Mark Stapp <mjs@voltanet.io> | 2020-08-04 12:49:24 -0400 |
| commit | 301a687af6be8c3b7d95fa443100e8867eda2005 (patch) | |
| tree | 50c131a04b720871a41a1696a31a67959d03c2d6 /zebra/zebra_mpls.c | |
| parent | 774daaed3f29904a234f689fc5d01e33551f27b8 (diff) | |
zebra: reset LSP backup nh info on update
If an existing LSP nh is updated, ensure any backup nh
info is also reset.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Diffstat (limited to 'zebra/zebra_mpls.c')
| -rw-r--r-- | zebra/zebra_mpls.c | 6 |
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. */ |