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,
merge(from_switches=[1,4])),
merge(from_switches=[1,2,3]))
def example_setup(num_clients=3, num_servers=3):
### EXAMPLE PARAMETERS
# NETWORK BREAKDOWN
ethernet = [2, 3, 4, 1000]
ip_core = [5, 6, 7, 1002]
gateway = [1001]
# SUBNET ADDRESSING
eth_prefix = '10.0.0.'
ip_prefix = '10.0.1.'
prefix_len = 24
eth_cidr = eth_prefix + '0/' + str(prefix_len)
ip_cidr = ip_prefix + '0/' + str(prefix_len)
# END HOST ADDRESSES
public_ip = IP('10.0.1.100')
fake_mac = MAC('BB:BB:BB:BB:BB:BB')
eth_macs = { IP(eth_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i)) \
for i in range(1,1+num_clients) }
ip_macs = { IP(ip_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i+num_clients)) \
for i in range(1,1+num_servers) }
host_macs = dict(eth_macs.items() + ip_macs.items())
host_macs.update({IP(public_ip): fake_mac})
### POLICIES FOR THIS EXAMPLE
eth_pol = mac_learner()
ip_pol = virtualize(mac_learner(), merge(name=5, from_switches=ip_core))
gw_pol = gateway_forwarder(eth_cidr, ip_cidr, host_macs)
return ((switch_in(ethernet) >> eth_pol) + (switch_in(gateway) >> gw_pol) +
(switch_in(ip_core) >> ip_pol))
def example_setup(num_clients=3, num_servers=3):
### EXAMPLE PARAMETERS
# NETWORK BREAKDOWN
ethernet = [2,3,4,1000]
ip_core = [5,6,7,1002]
gateway = [1001]
# SUBNET ADDRESSING
eth_prefix = '10.0.0.'
ip_prefix = '10.0.1.'
prefix_len = 24
eth_cidr = eth_prefix + '0/' + str(prefix_len)
ip_cidr = ip_prefix + '0/' + str(prefix_len)
# END HOST ADDRESSES
public_ip = IP('10.0.1.100')
fake_mac = MAC('BB:BB:BB:BB:BB:BB')
eth_macs = { IP(eth_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i)) \
for i in range(1,1+num_clients) }
ip_macs = { IP(ip_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i+num_clients)) \
for i in range(1,1+num_servers) }
host_macs = dict(eth_macs.items() + ip_macs.items())
host_macs.update({IP(public_ip) : fake_mac})
### POLICIES FOR THIS EXAMPLE
eth_pol = mac_learner()
ip_pol = virtualize(mac_learner(),merge(name=5,from_switches=ip_core))
gw_pol = gateway_forwarder(eth_cidr,ip_cidr,host_macs)
return ((switch_in(ethernet) >> eth_pol) +
(switch_in(gateway) >> gw_pol ) +
(switch_in(ip_core) >> ip_pol ))
def example_setup(num_clients=3, num_servers=3):
### EXAMPLE PARAMETERS
# NETWORK BREAKDOWN
ethernet = [2,3,4,1000]
ip_core = [5,6,7,1002]
gateway = [1001]
# SUBNET ADDRESSING
eth_prefix = '10.0.0.'
ip_prefix = '10.0.1.'
prefix_len = 24
eth_cidr = eth_prefix + '0/' + str(prefix_len)
ip_cidr = ip_prefix + '0/' + str(prefix_len)
# END HOST ADDRESSES
public_ip = IP('10.0.1.100')
fake_mac = MAC('BB:BB:BB:BB:BB:BB')
eth_macs = { IP(eth_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i)) \
for i in range(1,1+num_clients) }
ip_macs = { IP(ip_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i+num_clients)) \
for i in range(1,1+num_servers) }
host_macs = dict(eth_macs.items() + ip_macs.items())
host_macs.update({IP(public_ip) : fake_mac})
# PARAMETERS FOR FIREWALL/LOAD BALANCER
R = [IP(ip_prefix + str(i)) for i in range(2, 2+num_servers)]
H = {IP(eth_prefix + str(i)) : 0 for i in range(2,2+num_clients)}
W = {(c,public_ip) for c in H.keys()}
### POLICIES FOR THIS EXAMPLE
eth_pol = mac_learner()
alb = lb(public_ip,R,H) >> fix_dstmac(ip_macs)
afw = if_(ARP,passthrough,fw(W))
ip_pol = if_(match(srcip=eth_cidr),
afw >> alb,
alb >> afw) >> mac_learner()
ip_pol = virtualize(ip_pol,merge(name=5,from_switches=ip_core))
gw_pol = gateway_forwarder(eth_cidr,ip_cidr,host_macs)
return ((switch_in(ethernet) >> eth_pol) +
(switch_in(gateway) >> gw_pol ) +
(switch_in(ip_core) >> ip_pol ))
def example_setup(num_clients=3, num_servers=3):
### EXAMPLE PARAMETERS
# NETWORK BREAKDOWN
ethernet = [2, 3, 4, 1000]
ip_core = [5, 6, 7, 1002]
gateway = [1001]
# SUBNET ADDRESSING
eth_prefix = '10.0.0.'
ip_prefix = '10.0.1.'
prefix_len = 24
eth_cidr = eth_prefix + '0/' + str(prefix_len)
ip_cidr = ip_prefix + '0/' + str(prefix_len)
# END HOST ADDRESSES
public_ip = IP('10.0.1.100')
fake_mac = MAC('BB:BB:BB:BB:BB:BB')
eth_macs = { IP(eth_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i)) \
for i in range(1,1+num_clients) }
ip_macs = { IP(ip_prefix+str(i+1)) : MAC('00:00:00:00:00:0'+str(i+num_clients)) \
for i in range(1,1+num_servers) }
host_macs = dict(eth_macs.items() + ip_macs.items())
host_macs.update({IP(public_ip): fake_mac})
# PARAMETERS FOR FIREWALL/LOAD BALANCER
R = [IP(ip_prefix + str(i)) for i in range(2, 2 + num_servers)]
H = {IP(eth_prefix + str(i)): 0 for i in range(2, 2 + num_clients)}
W = {(c, public_ip) for c in H.keys()}
### POLICIES FOR THIS EXAMPLE
eth_pol = mac_learner()
alb = lb(public_ip, R, H) >> fix_dstmac(ip_macs)
afw = if_(ARP, passthrough, fw(W))
ip_pol = if_(match(srcip=eth_cidr), afw >> alb,
alb >> afw) >> mac_learner()
ip_pol = virtualize(ip_pol, merge(name=5, from_switches=ip_core))
gw_pol = gateway_forwarder(eth_cidr, ip_cidr, host_macs)
return ((switch_in(ethernet) >> eth_pol) + (switch_in(gateway) >> gw_pol) +
(switch_in(ip_core) >> ip_pol))