diff options
| -rw-r--r-- | proto/bgp/packets.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c index 190fd6fe..d67ef0b2 100644 --- a/proto/bgp/packets.c +++ b/proto/bgp/packets.c @@ -1165,9 +1165,10 @@ bgp_decode_mpls_labels(struct bgp_parse_state *s, byte **pos, uint *len, uint *p ADVANCE(*pos, *len, 3); *pxlen -= 24; - /* Withdraw: Magic label stack value 0x800000 according to RFC 3107, section 3, last paragraph */ - if (!a && !s->err_withdraw && (lnum == 1) && (label == BGP_MPLS_MAGIC)) - break; + /* RFC 8277 2.4 - withdraw does not have variable-size MPLS stack but + fixed-size 24-bit Compatibility field, which MUST be ignored */ + if (!a && !s->err_withdraw) + return; } while (!(label & BGP_MPLS_BOS)); |