When Ryu BGP received 'RouteRefresh' Message from the peering router, BGP 
session has closed as follows .

DEBUG 2014-08-15 02:20:08,718 speaker 447 Received msg from ('192.168.100.100', 
'34939') << BGPRouteRefresh(afi=1,demarcation=1,len=23,safi=128,type=5)
DEBUG 2014-08-15 02:20:08,719 speaker 566 Traceback (most recent call last):
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/speaker.py", 
line 560, in _recv_loop
    self.data_received(next_bytes)
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/speaker.py", 
line 275, in data_received
    self._data_received(next_bytes)
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/speaker.py", 
line 355, in _data_received
    self._handle_msg(msg)
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/speaker.py", 
line 508, in _handle_msg
    self._peer.handle_msg(msg)
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/peer.py", 
line 1585, in handle_msg
    self._handle_route_refresh_msg(msg)
  File 
"/usr/local/lib/python2.7/dist-packages/ryu/services/protocols/bgp/peer.py", 
line 1619, in _handle_route_refresh_msg
    afi = msg.route_family.afi
AttributeError: 'BGPRouteRefresh' object has no attribute 'route_family'

INFO 2014-08-15 02:20:08,722 peer 1901 Connection to peer 192.168.100.100 lost, 
reason: 'BGPRouteRefresh' object has no attribute 'route_family' Resetting 
retry connect loop: False

Signed-off-by: Toshiki Tsuboi <[email protected]>
---
 ryu/services/protocols/bgp/peer.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ryu/services/protocols/bgp/peer.py 
b/ryu/services/protocols/bgp/peer.py
index 23b1a23..16576c2 100644
--- a/ryu/services/protocols/bgp/peer.py
+++ b/ryu/services/protocols/bgp/peer.py
@@ -1616,8 +1616,8 @@ class Peer(Source, Sink, NeighborConfListener, Activity):
                 LOG.debug('Refresh Stale Path timer set (%s sec).' % rst)
 
     def _handle_route_refresh_msg(self, msg):
-        afi = msg.route_family.afi
-        safi = msg.route_family.safi
+        afi = msg.afi
+        safi = msg.safi
         demarcation = msg.demarcation
 
         # If this normal route-refresh request.
-- 
1.9.1
------------------------------------------------------------------------------
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