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-rw-r--r--proto/bgp/packets.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c
index ea980d1..bf89343 100644
--- a/proto/bgp/packets.c
+++ b/proto/bgp/packets.c
@@ -41,8 +41,22 @@ bgp_create_open(struct bgp_conn *conn, byte *buf)
put_u16(buf+1, p->local_as);
put_u16(buf+3, p->cf->hold_time);
put_u32(buf+5, p->local_id);
+#ifndef IPV6
buf[9] = 0; /* No optional parameters */
return buf+10;
+#else
+ buf += 9;
+ *buf++ = 8; /* Optional params len */
+ *buf++ = 2; /* Option: Capability list */
+ *buf++ = 6; /* Option length */
+ *buf++ = 1; /* Capability 1: Multiprotocol extensions */
+ *buf++ = 4; /* Capability data length */
+ *buf++ = 0; /* We support AF IPv6 */
+ *buf++ = BGP_AF_IPV6;
+ *buf++ = 0; /* RFU */
+ *buf++ = 1; /* and SAFI 1 */
+ return buf;
+#endif
}
static unsigned int