diff options
| -rw-r--r-- | ospfd/ospf_flood.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/ospfd/ospf_flood.c b/ospfd/ospf_flood.c index 40a76a0a34..e3398af74b 100644 --- a/ospfd/ospf_flood.c +++ b/ospfd/ospf_flood.c @@ -797,7 +797,7 @@ int ospf_flood_through_interface(struct ospf_interface *oi, ospf_ls_upd_send_lsa(nbr, lsa, OSPF_SEND_PACKET_DIRECT); } - } else + } else { /* If P2MP delayed reflooding is configured and the LSA was received from a neighbor on the P2MP interface, do not flood if back out on the interface. The LSA will be retransmitted @@ -815,9 +815,17 @@ int ospf_flood_through_interface(struct ospf_interface *oi, inbr ? &(inbr->router_id) : &(oi->ospf->router_id), IF_NAME(oi)); - } else - ospf_ls_upd_send_lsa(oi->nbr_self, lsa, - OSPF_SEND_PACKET_INDIRECT); + /* + * If reflooding is delayed, a delayed acknowledge + * should be sent since the LSA will not be immediately + * reflooded and interpreted as an implied + * acknowledgment by the sender. + */ + return 1; + } + ospf_ls_upd_send_lsa(oi->nbr_self, lsa, + OSPF_SEND_PACKET_INDIRECT); + } return 0; } |