def add(self):
device_name = self.devicename.get()
destination_network = self.ipset.get()
netmask = self.netmask.get()
dest = to_ip_network(destination_network, netmask)
next_hop_address = self.nexthop.get()
static_route_create(device_name, dest, next_hop_address)
def draw_backup():
""" Select a device/interface and demonstrate."""
print(plain(doc(interface_configuration)))
foundInterface = False
G = nx.Graph()
for device_name in sorted(inventory_connected()):
G.add_node(device_name)
print("%s:" % device_name)
mgmt_name = management_interface(device_name)
for interface_name in sorted(interface_names(device_name)):
# Choose interface on 'data plane' not 'control plane'.
if interface_name == mgmt_name:
continue
else:
foundInterface = True
demonstrate(device_name, interface_name)
interface = interface_configuration(device_name, interface_name)
address = interface.address
netmask = interface.netmask
to_node = match(device_name, to_ip_network(address, netmask))
print("to_node:%s" % to_node)
if to_node:
G.add_edge(device_name, to_node)
if not foundInterface:
print("There are no suitable network interfaces for this device.")
print(G.nodes())
print(G.edges())
# nx.draw(G)
nx.draw_networkx(G, with_labels=True)
plt.show()
def static_route_send_sub(edge,ip):
'''
Descripthon :
This is the subroutine of the static_route_send function
'''
remote_ip = edge['remoteaddr']
nodesrc = edge['localnode']
destination_network=to_ip_network(ip,'255.255.255.255')
#detination_network should be destination node's network
rs = static_route_create(devid2devname(nodesrc), destination_network, remote_ip)
if rs.status_code == 204 or rs.status_code == 409 :
return rs
else:
print(_BUG_CHECK %'push static route is failed!')
return None
def static_route_send_sub(edge, ip):
'''
Descripthon :
This is the subroutine of the static_route_send function
'''
remote_ip = edge['remoteaddr']
nodesrc = edge['localnode']
destination_network = to_ip_network(ip, '255.255.255.255')
#detination_network should be destination node's network
rs = static_route_create(devid2devname(nodesrc), destination_network,
remote_ip)
if rs.status_code == 204 or rs.status_code == 409:
return rs
else:
print(_BUG_CHECK % 'push static route is failed!')
return None
def match(device_name, interface_network):
""" Discover matching interface on a different device."""
for other_device in inventory_mounted():
if other_device == device_name:
continue
for interface_name in interface_names(other_device):
interface_config = interface_configuration_tuple(other_device, interface_name)
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
other_network = to_ip_network(interface_config.address, interface_config.netmask)
if other_network == interface_network:
print('Match %s/%s/%s to %s/%s' % (device_name, interface_config.address, interface_config.netmask, \
other_device, interface_network))
return interface_config.address
return None
def match(device_name, interface_network):
""" Discover matching interface on a different device."""
for other_device in inventory_mounted():
if other_device == device_name:
continue
for interface_name in interface_names(other_device):
interface_config = interface_configuration_tuple(other_device, interface_name)
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
other_network = to_ip_network(interface_config.address, interface_config.netmask)
if other_network == interface_network:
print('Match %s/%s/%s to %s/%s' % (device_name, interface_config.address, interface_config.netmask, \
other_device, interface_network))
return interface_config.address
return None
def sample_destination(device_name):
""" Determine a suitable destination for a static route from the specified network device. """
# Implementation: use 'next subnet' of any data interface on the specified device.
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
interface_network = to_ip_network(config.address, config.netmask)
destination_network = next_subnet(interface_network)
return destination_network
return None
def sample_destination(device_name):
""" Determine a suitable destination for a static route from the specified network device. """
# Implementation: use 'next subnet' of any data interface on the specified device.
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
interface_network = to_ip_network(config.address, config.netmask)
destination_network = next_subnet(interface_network)
return destination_network
return None
def demonstrate(device_name):
''' Apply function 'static_route_create' to the specified device for a new destination.'''
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
print()
interface_network = to_ip_network(config.address, config.netmask)
next_hop_address = match(device_name, interface_network)
if next_hop_address is None:
print('No end-point for %s/%s/%s/%s' % (device_name, interface_name, config.address, config.netmask))
continue
destination_network = static_route_fixture.new_destination(device_name, interface_network)
print('static_route_create(%s, %s, %s)' % (device_name, destination_network, next_hop_address))
static_route_create(device_name, destination_network, next_hop_address)
return True
return False
def next_subnet(network):
""" Determine the next subnet, relative to the specified network. """
return to_ip_network(network.network_address + 256, 24)
def next_subnet(network):
""" Determine the next subnet, relative to the specified network. """
return to_ip_network(network.network_address + 256, 24)
def main():
device_list = settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#add static route for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
#device_1
next_hop_address = '10.0.12.2'
discription = 'for flow 1: to device_2'
add_static_route(device_1, destination_network, next_hop_address,
discription, 0)
#device_2
next_hop_address = '198.18.1.34'
discription = 'for flow 1: to device_5'
add_static_route(device_2, destination_network, next_hop_address,
discription, 0)
#device_8
next_hop_address = '10.0.28.2'
discription = 'for flow 1: to device_2'
add_static_route(device_8, destination_network, next_hop_address,
discription, 0)
#display
print('add route for flow 1 (to 100.0.0.0/24): ', device_8, ' -> ',
device_2)
#add static route for flow 2
destination_network = to_ip_network('200.0.0.0', '24')
#device_1
next_hop_address = '10.0.12.2'
discription = 'for flow 2: to device_2'
add_static_route(device_1, destination_network, next_hop_address,
discription, 0)
#device_2
next_hop_address = '198.18.1.34'
discription = 'for flow 2: to device_5'
add_static_route(device_2, destination_network, next_hop_address,
discription, 0)
#device_8
next_hop_address = '10.0.18.1'
discription = 'for flow 2: to device_1'
add_static_route(device_8, destination_network, next_hop_address,
discription, 0)
#display
print('add route for flow 2 (to 200.0.0.0/24): ', device_8, ' -> ',
device_1, ' -> ', device_2)
#add static route for flow 3
destination_network = to_ip_network('50.0.0.0', '24')
next_hop_address = '198.18.1.32'
discription = 'for flow 3: to device_3'
add_static_route(device_8, destination_network, next_hop_address,
discription, 0)
#display
print('add route for flow 3 (to 50.0.0.0/24): ', device_8,
' -> black_hole')
#display static route
print('\n')
routes = static_route_list(device_8)
print('static route table', device_8)
print_table(routes)
def delete(self):
device_name = self.devicename.get()
destination_network = self.ipset.get()
netmask = self.netmask.get()
dest = to_ip_network(destination_network, netmask)
static_route_delete(device_name, dest)
def main():
#device_list=settings.config['network_device']
device_list = settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#change path for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
prior_next_hop = '10.0.28.2'
second_next_hop = '10.0.18.1'
if (interface_configuration_tuple(device_2, interface_2).shutdown
== False) & (interface_configuration_tuple(
device_8, interface_2).shutdown == False):
link_status = 'up'
else:
link_status = 'down'
#loop
#for i in range(100):
while True:
#check the link
if (interface_configuration_tuple(device_2, interface_2).shutdown
== False) & (interface_configuration_tuple(
device_8, interface_2).shutdown == False):
new_status = 'up'
#print('link: device_2 <-> device_8 is OK')
else:
new_status = 'down'
#print('link: device_2 <-> device_8 is fail')
#link status unchange
if link_status == new_status:
print('device_2 <-> device_8 link status unchange')
time.sleep(1)
continue
#link status up -> down
elif (link_status == 'up') & (new_status == 'down'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, second_next_hop, 1)
print(
'device_2 <-> device_8 link status from up to down: delete prior_route, add second_route, at last for 10s'
)
link_status = new_status
time.sleep(10)
#link status down -> up
elif (link_status == 'down') & (new_status == 'up'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, prior_next_hop, 1)
print(
'device_2 <-> device_8 link status from down to up: delete second_route, add prior_route'
)
link_status = new_status
time.sleep(3)
def main():
device_list=settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#add static route for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
#device_1
next_hop_address = '10.0.12.2'
add_static_route(device_1, destination_network, next_hop_address, 0)
#device_2
next_hop_address = '198.18.1.34'
add_static_route(device_2, destination_network, next_hop_address, 0)
#device_8
next_hop_address = '10.0.28.2'
add_static_route(device_8, destination_network, next_hop_address, 0)
#display
print('add route for flow 1 (to 100.0.0.0/24): ', device_8, ' -> ', device_2)
#add static route for flow 2
destination_network = to_ip_network('200.0.0.0', '24')
#device_1
next_hop_address = '10.0.12.2'
add_static_route(device_1, destination_network, next_hop_address, 0)
#device_2
next_hop_address = '198.18.1.34'
add_static_route(device_2, destination_network, next_hop_address, 0)
#device_8
next_hop_address = '10.0.18.1'
add_static_route(device_8, destination_network, next_hop_address, 0)
#display
print('add route for flow 2 (to 200.0.0.0/24): ', device_8, ' -> ', device_1, ' -> ', device_2)
#add static route for flow 3
destination_network = to_ip_network('50.0.0.0', '24')
next_hop_address = '198.18.1.32'
add_static_route(device_8, destination_network, next_hop_address, 0)
#display
print('add route for flow 3 (to 50.0.0.0/24): ', device_8, ' -> black_hole')
#display static route
print('\n')
routes = static_route_list(device_8)
print('static route table', device_8)
print_table(routes)
def main():
#device_list=settings.config['network_device']
device_list = settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#change path for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
prior_next_hop = '10.0.28.2'
second_next_hop = '10.0.18.1'
if (interface_configuration_tuple(device_2, interface_2).shutdown == False) & (interface_configuration_tuple(device_8, interface_2).shutdown == False):
link_status = 'up'
else:
link_status = 'down'
#loop
#for i in range(100):
while True:
#check the link
if (interface_configuration_tuple(device_2, interface_2).shutdown == False) & (interface_configuration_tuple(device_8, interface_2).shutdown == False):
new_status = 'up'
#print('link: device_2 <-> device_8 is OK')
else:
new_status = 'down'
#print('link: device_2 <-> device_8 is fail')
#link status unchange
if link_status == new_status:
print('device_2 <-> device_8 link status unchange')
time.sleep(1)
continue
#link status up -> down
elif (link_status == 'up') & (new_status == 'down'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, second_next_hop, 1)
print('device_2 <-> device_8 link status from up to down: delete prior_route, add second_route, at last for 10s')
link_status = new_status
time.sleep(10)
#link status down -> up
elif (link_status == 'down') & (new_status == 'up'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, prior_next_hop, 1)
print('device_2 <-> device_8 link status from down to up: delete second_route, add prior_route')
link_status = new_status
time.sleep(3)
