summaryrefslogtreecommitdiffstats
path: root/proto/bgp
diff options
context:
space:
mode:
Diffstat (limited to 'proto/bgp')
-rw-r--r--proto/bgp/packets.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c
index 49c2add..482b707 100644
--- a/proto/bgp/packets.c
+++ b/proto/bgp/packets.c
@@ -234,7 +234,7 @@ bgp_create_update(struct bgp_conn *conn, byte *buf)
{
struct bgp_proto *p = conn->bgp;
struct bgp_bucket *buck;
- int size;
+ int size, second;
int remains = BGP_MAX_PACKET_LENGTH - BGP_HEADER_LENGTH - 4;
byte *w, *tmp, *tstart;
ip_addr *ipp, ip, ip_ll;
@@ -292,7 +292,9 @@ bgp_create_update(struct bgp_conn *conn, byte *buf)
nh = ea_find(buck->eattrs, EA_CODE(EAP_BGP, BA_NEXT_HOP));
ASSERT(nh);
- /* We have two addresses here in 'nh'. Really. */
+ /* We have two addresses here in 'nh'. Really.
+ Unless NEXT_HOP was modified by filter */
+ second = (nh->u.ptr->length == NEXT_HOP_LENGTH);
ipp = (ip_addr *) nh->u.ptr->data;
ip = ipp[0];
ip_ll = IPA_NONE;
@@ -316,7 +318,7 @@ bgp_create_update(struct bgp_conn *conn, byte *buf)
n = neigh_find(&p->p, &ip, 0);
if (n && n->iface == p->neigh->iface)
{
- if (ipa_nonzero(ipp[1]))
+ if (second && ipa_nonzero(ipp[1]))
ip_ll = ipp[1];
else
{