bgpd: Lower BGP's default keepalive/holdtime to 3s/9s

Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
Reviewed-by:   Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/bgpd/bgpd.h b/bgpd/bgpd.h
index 105912e..d4c8dbd 100644
--- a/bgpd/bgpd.h
+++ b/bgpd/bgpd.h
@@ -742,8 +742,8 @@
 
 /* BGP timers default value.  */
 #define BGP_INIT_START_TIMER                     5
-#define BGP_DEFAULT_HOLDTIME                   180
-#define BGP_DEFAULT_KEEPALIVE                   60 
+#define BGP_DEFAULT_HOLDTIME                     9
+#define BGP_DEFAULT_KEEPALIVE                    3
 #define BGP_DEFAULT_EBGP_ROUTEADV               30
 #define BGP_DEFAULT_IBGP_ROUTEADV                5
 #define BGP_CLEAR_CONNECT_RETRY                 20