diff options
| -rw-r--r-- | bgpd/bgp_route.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index eaf4201844..365f13324d 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -1776,10 +1776,20 @@ static void bgp_peer_remove_private_as(struct bgp *bgp, afi_t afi, safi_t safi, static void bgp_peer_as_override(struct bgp *bgp, afi_t afi, safi_t safi, struct peer *peer, struct attr *attr) { + struct aspath *aspath; + if (peer->sort == BGP_PEER_EBGP && - peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) - attr->aspath = aspath_replace_specific_asn(attr->aspath, - peer->as, bgp->as); + peer_af_flag_check(peer, afi, safi, PEER_FLAG_AS_OVERRIDE)) { + if (attr->aspath->refcnt) + aspath = aspath_dup(attr->aspath); + else + aspath = attr->aspath; + + attr->aspath = aspath_intern( + aspath_replace_specific_asn(aspath, peer->as, bgp->as)); + + aspath_free(aspath); + } } void bgp_attr_add_llgr_community(struct attr *attr) |