diff options
| -rw-r--r-- | proto/bgp/attrs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 9003feb2..d7a4e692 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -1109,6 +1109,9 @@ bgp_decode_attrs(struct bgp_parse_state *s, byte *data, uint len) if (!BIT32_TEST(s->attrs_seen, BA_AS_PATH)) { REPORT(NO_MANDATORY, "AS_PATH"); goto withdraw; } + if (s->ip_reach_len && !BIT32_TEST(s->attrs_seen, BA_NEXT_HOP)) + { REPORT(NO_MANDATORY, "NEXT_HOP"); goto withdraw; } + /* When receiving attributes from non-AS4-aware BGP speaker, we have to reconstruct AS_PATH and AGGREGATOR attributes; RFC 6793 4.2.3 */ if (!p->as4_session) |