Hi ,
I am working on a project to implement BGP in SDN using ryu controller, we
have implemented 3 ryu contollers . Below code has been added as BGP app on
all 3 Ryus, right now bgp is working between the controllers but we are
trying to edit simple switch.py to be able to send packets to other domains
using BGP app, I have some questions in this Regard :
How Can I call the RIB in and RIB out ? is it possible to call them in
another app ?
can I run two apps which are dependent at the same time ? is it possible
to merge the codes and create one app ?
import eventlet
# BGPSpeaker needs sockets patched
eventlet.monkey_patch()
# initialize a log handler
# this is not strictly necessary but useful if you get messages like:
# No handlers could be found for logger "ryu.lib.hub"
import logging
import sys
log = logging.getLogger()
log.addHandler(logging.StreamHandler(sys.stderr))
from ryu.services.protocols.bgp.bgpspeaker import BGPSpeaker
def dump_remote_best_path_change(event):
print "the best path changed:", event.remote_as, event.prefix,\
event.nexthop, event.is_withdraw
def detect_peer_down(remote_ip, remote_as):
print "Peer down:", remote_ip, remote_as
if __name__ == "__main__":
speaker = BGPSpeaker(as_number=64512, router_id="10.0.0.2",
best_path_change_handler=dump_remote_best_path_change,
peer_down_handler=detect_peer_down,ssh_console=True)
speaker.neighbor_add("192.168.220.138", 64512)
# uncomment the below line if the speaker needs to talk with a bmp server.
# speaker.bmp_server_add(’192.168.177.2’, 11019)
count = 1
while True:
eventlet.sleep(30)
prefix = "10.30." + str(count) + ".0/24"
print "add a new prefix", prefix
speaker.prefix_add(prefix)
count += 1
if count == 10:
break
Regards
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