def main():
bfs1 = [1, 2, 3]
bfs2 = [1, 4]
pol = if_(ARP, arp(), mac_learner())
# pol = mac_learner()
return virtualize(virtualize(pol, merge(from_switches=[1, 4])),
merge(from_switches=[1, 2, 3]))
def main():
bfs1 = [1,2,3]
bfs2 = [1,4]
pol = if_(ARP,arp(),mac_learner())
# pol = mac_learner()
return virtualize(
virtualize(pol,
BFS_vdef(from_switches=[1,4])),
BFS_vdef(from_switches=[1,2,3]))
def gateway_forwarder(subnet1, subnet2, host_macs):
gw_mac = MAC('AA:AA:AA:AA:AA:AA')
gw_mapping = {gateway_addr(subnet1): gw_mac, gateway_addr(subnet2): gw_mac}
print gw_mapping
subnet1_to_subnet2 = match(inport=1) & match(dstip=subnet2)
subnet2_to_subnet1 = match(inport=2) & match(dstip=subnet1)
subnet_forwarder = (subnet1_to_subnet2 >> fwd(2)) + (
subnet2_to_subnet1 >> fwd(1))
return if_(ARP, arp(gw_mapping), translate(host_macs) >> subnet_forwarder)
def gateway_forwarder(subnet1,subnet2,host_macs):
gw_mac = MAC('AA:AA:AA:AA:AA:AA')
gw_mapping = {gateway_addr(subnet1) : gw_mac,
gateway_addr(subnet2) : gw_mac}
print gw_mapping
subnet1_to_subnet2 = match(inport=1) & match(dstip=subnet2)
subnet2_to_subnet1 = match(inport=2) & match(dstip=subnet1)
subnet_forwarder = (subnet1_to_subnet2 >> fwd(2)) + (subnet2_to_subnet1 >> fwd(1))
return if_(ARP,
arp(gw_mapping),
translate(host_macs) >> subnet_forwarder)
