def test_iptables_example():
try:
net = IPNet(topo=IPTablesTopo())
net.start()
ip = net["r2"].intf("r2-eth0").ip
cmd = "ping -W 1 -c 1 %s" % ip
p = net["r1"].popen(cmd.split(" "))
out, err = p.communicate()
code = p.poll()
assert code == 0, "Pings over IPv4 should not be blocked.\n" \
"[stdout]\n%s\n[stderr]\n%s" % (out, err)
ip6 = net["r2"].intf("r2-eth0").ip6
cmd = "ping6 -W 1 -c 1 %s" % ip6
p = net["r1"].popen(cmd.split(" "))
assert p.wait() != 0, "Pings over IPv6 should be blocked"
code, _, _ = check_tcp_connectivity(net["r1"], net["r2"], server_port=80, timeout=.5)
assert code != 0, "TCP over port 80 should be blocked over IPv4"
code, out, err = check_tcp_connectivity(net["r1"], net["r2"], v6=True, server_port=80)
assert code == 0, "TCP over port 80 should not be blocked over IPv6.\n" \
"[stdout]\n%s\n[stderr]\n%s" % (out, err)
net.stop()
finally:
cleanup()
def test_radvd_example():
try:
net = IPNet(topo=RouterAdvNet(), use_v4=False, use_v6=True, allocate_IPs=False)
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_ospf6_example():
try:
net = IPNet(topo=SimpleOSPFv3Net())
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_example():
try:
net = IPNet(topo=SimpleBGPTopo())
net.start()
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def start_network(self):
"""Start the virtual network described by the specified topology"""
try:
self.topo.build_topo()
except:
error('Cannot build the topology.')
try:
self.net = IPNet(topo=self.topo, use_v4=False, use_v6=True)
self.net.start()
except:
self.stop_network()
error('Cannot start the network.')
def test_bgp_daemon_params(bgp_params, expected_cfg):
try:
net = IPNet(topo=BGPTopo(bgp_params), allocate_IPs=False)
net.start()
# Check generated configuration
with open("/tmp/bgpd_as2r1.cfg") as fileobj:
cfg = fileobj.readlines()
for line in expected_cfg:
assert (line + "\n") in cfg, "Cannot find the line '%s' in the generated configuration:\n%s"\
% (line, "".join(cfg))
# Check reachability
assert_connectivity(net, v6=False)
net.stop()
finally:
cleanup()
def test_DefaultRoutesOnly_firstsolution():
""" First solution
R1 has R3 as default route
R3 has R2 as default route
R2 has R1 as default route"""
subnet=["192.168.1.0", "192.168.2.0", "192.168.3.0", "192.168.4.0", \
"192.168.5.0", "192.168.6.0"]
prefixlen = ["24", "24", "24", "24", "24", "24"]
gw=["192.168.1.1", "192.168.2.1", "192.168.3.1", "192.168.6.2", "192.168.5.1", \
"192.168.4.1"]
try:
net = IPNet(topo=DefaultRoutesOnly("4", subnet, prefixlen, gw) \
, use_v4=False, use_v6=False, allocate_IPs=False)
net.start()
net["A"].cmd("ip route add default via 192.168.1.1")
net["B"].cmd("ip route add default via 192.168.2.1")
net["C"].cmd("ip route add default via 192.168.3.1")
net["R1"].cmd("ip route add default via 192.168.6.2")
net["R3"].cmd("ip route add default via 192.168.5.1")
net["R2"].cmd("ip route add default via 192.168.4.1")
r = net.pingAll()
print(r)
net.stop()
with open('state6.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" not in state
finally:
cleanup()
def test_radvd_daemon_params(link_params, expected_cfg):
try:
net = IPNet(topo=CustomRouterAdvNet(link_params), use_v4=False, use_v6=True, allocate_IPs=False)
net.start()
# Check generated configuration
with open("/tmp/radvd_r.cfg") as fileobj:
cfg = fileobj.readlines()
for line in expected_cfg:
assert (line + "\n") in cfg, "Cannot find the line '%s' in the generated configuration:\n%s"\
% (line, "".join(cfg))
# Check reachability
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_gre_example():
try:
net = IPNet(topo=GRETopo())
net.start()
t = 0
cmd = "ping -W 1 -c 1 -I 10.0.1.1 10.0.1.2".split(" ")
while t < 60 and net["h1"].popen(cmd).wait() != 0:
t += 1
time.sleep(.5)
p = net["h1"].popen(cmd)
code = p.wait()
out, err = p.communicate()
assert code == 0, "Cannot use GRE tunnel.\n" \
"The command '%s' printed: [stdout]\n%s\n[stderr]\n%s" % (cmd, out, err)
net.stop()
finally:
cleanup()
def net(request):
cleanup()
net = IPNet(topo=StaticAddressNet())
net.start()
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
paths = [
["h1", "r1", "r2", "h3"],
["h3", "r2", "r1", "h1"],
["h3", "r2", "r1", "h2"],
["h3", "r2", "r1", "h4"],
]
for p in paths:
assert_path(net, p, v6=False)
assert_path(net, p, v6=True)
request.addfinalizer(cleanup)
return net
def test_ospf6_daemon_params(ospf6_params, link_params, expected_cfg, expected_paths):
try:
net = IPNet(topo=MinimalOSPFv3Net(ospf6_params, link_params))
net.start()
# Check generated configuration
with open("/tmp/ospf6d_r1.cfg") as fileobj:
cfg = fileobj.readlines()
for line in expected_cfg:
assert (line + "\n") in cfg, "Cannot find the line '%s' in the generated configuration:\n%s"\
% (line, "".join(cfg))
# Check reachability
assert_connectivity(net, v6=True)
for path in expected_paths:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
def test_iptables_example():
try:
net = IPNet(topo=IPTablesTopo())
net.start()
ip = net["r2"].intf("r2-eth0").ip
cmd = "ping -W 1 -c 1 %s" % ip
p = net["r1"].popen(cmd.split(" "))
out, err = p.communicate()
code = p.poll()
assert code == 0, "Pings over IPv4 should not be blocked.\n" \
"[stdout]\n%s\n[stderr]\n%s" % (out, err)
ip6 = net["r2"].intf("r2-eth0").ip6
cmd = "ping6 -W 1 -c 1 %s" % ip6
p = net["r1"].popen(cmd.split(" "))
assert p.wait() != 0, "Pings over IPv6 should be blocked"
code, _, _ = check_tcp_connectivity(net["r1"],
net["r2"],
server_port=80,
timeout=.5)
assert code != 0, "TCP over port 80 should be blocked over IPv4"
code, out, err = check_tcp_connectivity(net["r1"],
net["r2"],
v6=True,
server_port=80)
assert code == 0, "TCP over port 80 should not be blocked over IPv6.\n" \
"[stdout]\n%s\n[stderr]\n%s" % (out, err)
net.stop()
finally:
cleanup()
def test_dns_network(named_cfg, zone_args, exp_named_cfg, exp_zone_cfg):
try:
net = IPNet(topo=CustomDNSNetwork(named_cfg, zone_args))
net.start()
# Check generated configurations
with open("/tmp/named_master2.cfg") as fileobj:
cfg = fileobj.readlines()
for line in exp_named_cfg:
assert line + "\n" in cfg,\
"Cannot find the line '%s' in the generated " \
"main configuration:\n%s" % (line, "".join(cfg))
with open("/tmp/named_master2.test.org.zone.cfg") as fileobj:
cfg = fileobj.readlines()
for line in exp_zone_cfg:
assert line + "\n" in cfg,\
"Cannot find the line '%s' in the generated zone " \
"configuration:\n%s" % (line, "".join(cfg))
# Check port number configuration
dns_server_port = named_cfg.get("dns_server_port", 53)
assert_dns_record(net["master2"],
"localhost",
AAAARecord("master2.test.org",
net["master2"].defaultIntf().ip6),
port=dns_server_port)
# Check connectivity
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
# Check generated DNS record
records = [
NSRecord("mydomain.org", "master"),
NSRecord("mydomain.org", "slave"),
ARecord("master.mydomain.org", net["master"].defaultIntf().ip),
AAAARecord("master.mydomain.org", net["master"].defaultIntf().ip6),
ARecord("slave.mydomain.org", net["slave"].defaultIntf().ip),
AAAARecord("slave.mydomain.org", net["slave"].defaultIntf().ip6),
ARecord("server.mydomain.org", net["server"].defaultIntf().ip),
AAAARecord("server.mydomain.org",
net["server"].defaultIntf().ip6,
ttl=120),
PTRRecord(net["master"].defaultIntf().ip, "master.mydomain.org"),
PTRRecord(net["master"].defaultIntf().ip6, "master.mydomain.org"),
PTRRecord(net["slave"].defaultIntf().ip, "slave.mydomain.org"),
PTRRecord(net["slave"].defaultIntf().ip6, "slave.mydomain.org"),
PTRRecord(net["server"].defaultIntf().ip, "server.mydomain.org"),
PTRRecord(net["server"].defaultIntf().ip6,
"server.mydomain.org",
ttl=120)
]
for node in [net["master"], net["slave"]]:
for record in records:
assert_dns_record(node, "localhost", record)
time.sleep(10)
net.stop()
finally:
cleanup()
def test_DebugTraceroute_ipv6_2():
ipv6addr = [
"2042:1a::", "2042:2b::", "2042:12::", "2042:13::", "2042:23::"
]
ipv4addr = [
"10.51.0.0", "10.62.0.0", "10.12.0.0", "10.13.0.0", "10.23.0.0"
]
net = IPNet(topo=DebugTraceroute(ipv6addr, ipv4addr, "debugT2.txt",
"debugF2.txt"),
allocate_IPs=False)
try:
net.start()
net["r1"].cmd("ip -6 route add 2042:2b::/64 nexthop via 2042:12::2")
net["r2"].cmd("ip -6 route add 2042:2b::/64 nexthop via 2042:23::3")
net["r3"].cmd("ip -6 route add 2042:1a::/64 nexthop via 2042:13::1")
net["r1"].cmd("ip route add 10.62.0.0/24 nexthop via 10.12.0.2")
net["r2"].cmd("ip route add 10.62.0.0/24 nexthop via 10.23.0.3")
net["r3"].cmd("ip route add 10.51.0.0/24 nexthop via 10.13.0.1")
net.stop()
with open('debugT2.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" in state
finally:
cleanup()
def test_TwoPCLANWithRouter_IPv4_wrong_gw():
try:
net = IPNet(topo=TwoPCLANWithRouter("4", "192.168.1.0", "24", \
"192.168.1.1", "192.168.2.0", "24", "192.168.2.1") \
, use_v4=False, use_v6=False, allocate_IPs=False)
net.start()
itf1 = net["h1"].intf("h1-eth0")
itf1.ip = "192.168.1.2/24"
itf1.prefixLen == 24
itf2 = net["r"].intf("r-eth0")
itf2.ip = "192.168.1.1/24"
itf2.prefixLen == 24
r = net["h1"].cmd("ip route add default via 192.168.2.1")
itf3 = net["h2"].intf("h2-eth0")
itf3.ip = "192.168.2.2/24"
itf3.prefixLen == 24
itf4 = net["r"].intf("r-eth1")
itf4.ip = "192.168.2.1/24"
itf4.prefixLen == 24
r = net["h2"].cmd("ip route add default via 192.168.1.1")
net.stop()
with open('state2.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" in state
finally:
cleanup()
def test_tc_example(topo, delay, bw):
"""
:param topo: The topology class
:param delay: The delay between host h1 and h2 in ms
:param bw: The bandwidth between h1 and h2 in Mbps
"""
try:
net = IPNet(topo=topo())
net.start()
# Check connectivity
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
# Check delay
assert_delay(net["h1"], net["h2"], delay, v6=False)
assert_delay(net["h1"], net["h2"], delay, v6=True)
# Check bandwidth
assert_bw(net["h1"], net["h2"], bw, v6=False, tolerance=bw // 10)
assert_bw(net["h1"], net["h2"], bw, v6=True, tolerance=bw // 10)
net.stop()
finally:
cleanup()
def _main(autostart=False):
graph = _PaperGraph()
net = IPNet(topo=graph, use_v6=False)
net.start()
db = TopologyDB(net=net)
for e in net.topo.egresses:
db._network[e]['is_egress'] = True
db.save(TOPO_DB)
sink = net['sink']
source = net['source']
sink_addr = sink.IP()
src_addr = source.IP()
MNLOG.debug('Source is at ', src_addr, 'sink is at ', sink_addr, '\n')
with open(REQ_FILE, 'w') as f:
f.write('MIRROR {sink} ON [A B C D]\n'
'CONFINE {sink} ON [A B L C D]\n'
'USING {cnt} M DURING 500ms'.format(sink=sink_addr,
cnt=FLOW_COUNT))
MNLOG.info('Starting sink')
sink.filter_source(src_addr)
MNLOG.info('Starting source')
source.start_src(sink_addr, src_addr, FLOW_COUNT)
time.sleep(5)
if autostart:
MNLOG.info('Starting collector')
net[COLLECTOR_ID].start_collector()
_CLI(net)
net.stop()
if os.path.exists(REQ_FILE):
os.unlink(REQ_FILE)
def test_partial_static_example():
try:
net = IPNet(topo=PartialStaticAddressNet())
net.start()
# Check allocated addresses
assert net["h3"].intf("h3-eth0").ip == "192.168.1.2"
assert net["h3"].intf("h3-eth0").ip6 == "fc00:1::2"
assert net["r1"].intf("lo").ip6 == "2042:1::1"
assert net["r1"].intf("r1-eth1").ip == "192.168.0.1"
assert net["r1"].intf("r1-eth1").ip6 == "fc00::1"
assert net["r2"].intf("r2-eth0").ip == "192.168.0.2"
assert net["r2"].intf("r2-eth0").ip6 == "fc00::2"
assert net["r2"].intf("r2-eth1").ip == "192.168.1.1"
assert net["r2"].intf("r2-eth1").ip6 == "fc00:1::1"
# Check connectivity
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_TwoPCLANWithRouter_IPv6():
try:
net = IPNet(topo=TwoPCLANWithRouter("6", "fc00:0:1::", "48", \
"fc00:0:1::1", "fc00:0:2::", "48", "fc00:0:2::1") \
, use_v4=False, use_v6=False, allocate_IPs=False)
net.start()
itf1 = net["h1"].intf("h1-eth0")
itf1.ip = "fc00:0:1::2/48"
itf1.prefixLen == 48
itf2 = net["r"].intf("r-eth0")
itf2.ip = "fc00:0:1::1/48"
itf2.prefixLen == 48
r = net["h1"].cmd("ip -6 route add default via fc00:0:1::1")
itf3 = net["h2"].intf("h2-eth0")
itf3.ip = "fc00:0:2::2/48"
itf3.prefixLen == 48
itf4 = net["r"].intf("r-eth1")
itf4.ip = "fc00:0:2::1/48"
itf4.prefixLen == 48
r = net["h2"].cmd("ip -6 route add default via fc00:0:2::1")
net.stop()
with open('state2.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" not in state
finally:
cleanup()
def test_addr_intf():
try:
net = IPNet(topo=StaticAddressNet())
net.start()
itf = net["r1"].intf("r1-eth1")
# Check IP6 update
itf.ip6 = "2001:21::1"
ip6s = list(itf.ip6s(exclude_lls=True))
assert len(ip6s) == 1 and ip6s[0].with_prefixlen == "2001:21::1/64",\
"Cannot update an IPv6 address"
assert itf.prefixLen6 == 64
itf.prefixLen6 = 48
assert itf.prefixLen6 == 48, "Cannot update prefix len of an IPv6 address"
# Check IP update
itf.ip = "10.1.2.1"
ips = list(itf.ips())
assert len(ips) == 1 and ips[0].with_prefixlen == "10.1.2.1/24",\
"Cannot update an IPv4 address"
assert itf.prefixLen == 24
itf.prefixLen = 28
assert itf.prefixLen == 28, "Cannot update prefix len of an IPv4 address"
# Check MAC getters
assert itf.updateMAC() == itf.updateAddr()[1],\
"MAC address obtained through two methods is not identical"
net.stop()
finally:
cleanup()
def test_LongestPrefixMatch_failed_2():
ipv6addr = [
"2042:1a::", "2042:2b::", "2042:3c::", "2042:12::", "2042:13::",
"2042:23::"
]
ipv4addr = [
"10.1.4.0", "10.1.5.0", "10.1.6.0", "10.12.0.0", "10.13.0.0",
"10.23.0.0"
]
net = IPNet(topo=LongestPrefixMatch(ipv6addr, ipv4addr, "logFT2.txt",
"logFF2.txt"),
allocate_IPs=False)
try:
net.start()
net["r1"].cmd("ip -4 route add 10.1.4.0/22 via 10.12.0.2")
net["r2"].cmd("ip -4 route add 10.1.4.0/24 via 10.12.0.1")
net["r2"].cmd("ip -4 route add 10.1.6.0/24 via 10.23.0.3")
net["r3"].cmd("ip -4 route add 10.1.4.0/24 via 10.13.0.1")
net["r3"].cmd("ip -4 route add 10.1.5.0/24 via 10.23.0.2")
net.stop()
with open('logFT2.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" in state
finally:
cleanup()
def test_tmp_isolation():
try:
net = IPNet(topo=SimpleOpenrTopo())
net.start()
tmp_dir = '/tmp'
with tempfile.NamedTemporaryFile(dir=tmp_dir) as file:
host_file_name = file.name
host_file_base_name = os.path.basename(host_file_name)
host_tmp_dir_content = os.listdir(tmp_dir)
assert os.path.isfile(host_file_name)
assert host_file_base_name in host_tmp_dir_content
for i in range(1, 5):
node_tmp_dir_content = net['r_{}'.format(i)] \
.cmd('ls {}'.format(tmp_dir)) \
.split()
assert host_file_base_name not in node_tmp_dir_content
node_file_base_name = str(uuid.uuid1())
node_file_name = '{}/{}'.format(tmp_dir, node_file_base_name)
net['r_1'].cmd('touch {}'.format(node_file_name))
node_tmp_dir_content = net['r_1'].cmd('ls {}'.format(tmp_dir)).split()
host_tmp_dir_content = os.listdir(tmp_dir)
assert node_file_base_name in node_tmp_dir_content
assert not os.path.isfile(node_file_name)
assert node_file_base_name not in host_tmp_dir_content
net.stop()
finally:
cleanup()
def test_v4_and_v6_only_network(topo, use_v4, use_v6):
try:
net = IPNet(topo=topo(), use_v4=use_v4, use_v6=use_v6)
net.start()
for n in net.routers + net.hosts:
for itf in n.intfList():
if itf.node.use_v4 and net.use_v4:
assert len(list(itf.ips())) == itf.interface_width[0], \
"Did not allocate enough IPv4 addresses on interface " \
"{}".format(itf)
else:
assert len(list(itf.ips())) == 0,\
"Should not allocate IPv4 addresses on interface " \
"{}".format(itf)
if itf.node.use_v6 and net.use_v6:
assert len(list(itf.ip6s(exclude_lls=True))) == \
itf.interface_width[1], \
"Did not allocate enough IPv6 addresses on interface " \
"{}".format(itf)
else:
assert len(list(itf.ip6s(exclude_lls=True))) == 0, \
"Should not allocate IPv6 addresses on interface " \
"{}".format(itf)
net.stop()
finally:
cleanup()
def test_sshd_example():
try:
net = IPNet(topo=SSHTopo())
net.start()
ssh_key = None
with open("/tmp/sshd_r2.cfg") as fileobj:
for line in fileobj:
if "AuthorizedKeysFile" in line:
ssh_key = line.split(" ")[1].split(".")[0]
assert ssh_key is not None, "No authorized SSH key found in the configuration"
assert os.path.isfile(ssh_key), "Cannot find key file at %s" % ssh_key
ip = net["r2"].intf("r2-eth0").ip
cmd = "ssh -oStrictHostKeyChecking=no -oConnectTimeout=1 -oPasswordAuthentication=no" \
" -i %s %s ls" % (ssh_key, ip)
t = 0
while t < 60 and net["r1"].popen(cmd.split(" ")).wait() != 0:
time.sleep(0.5)
t += 1
p = net["r1"].popen(cmd.split(" "))
assert p.wait() == 0, "Cannot connect with SSH to the router"
net.stop()
finally:
cleanup()
def test_address_pair(node, use_v4, use_v6, expected):
try:
net = IPNet(topo=StaticAddressNet())
net.start()
assert utils.address_pair(net[node], use_v4, use_v6) == expected
net.stop()
finally:
cleanup()
def test_ospf6_example():
try:
net = IPNet(topo=SimpleOSPFv3Net())
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_openr_connectivity():
try:
net = IPNet(topo=SimpleOpenrTopo())
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_ripng_flush_connectivity():
try:
net = IPNet(topo=MinimalRIPngNet(is_test_flush=True))
net.start()
sleep(10)
assert_no_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_radvd_example():
try:
net = IPNet(topo=RouterAdvNet(), use_v4=False, use_v6=True,
allocate_IPs=False)
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_policies(topology):
try:
net = IPNet(topo=topology())
net.start()
for path in policies_paths[topology.__name__]:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_rr():
try:
net = IPNet(topo=BGPTopoRR())
net.start()
for path in rr_paths:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_full_config():
try:
net = IPNet(topo=BGPTopoFull())
net.start()
for path in full_paths:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_example():
try:
net = IPNet(topo=SimpleBGPTopo())
net.start()
assert_connectivity(net, v6=False)
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_bgp_local_pref():
try:
net = IPNet(topo=BGPTopoLocalPref())
net.start()
for path in local_pref_paths:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
def topology():
net = IPNet(use_v4=False,
allocate_IPs=False,
switch=OVSKernelSwitch,
controller=RemoteController,
topo=topo1)
net.start()
IPCLI(net)
net.stop()
def test_StaticECMPRouting():
subnet=["192.168.1.0", "192.168.2.0", "192.168.3.0", "192.168.4.0", \
"192.168.5.0", "192.168.6.0"]
prefixlen = ["24", "24", "24", "24", "24", "24"]
gw = ["192.168.1.1", "192.168.2.1"]
try:
net = IPNet(topo=StaticECMPRouting("4", subnet, prefixlen, gw) \
, use_v4=False, use_v6=False, allocate_IPs=False)
net.start()
net["A"].cmd("ip route add default via 192.168.1.1")
net["B"].cmd("ip route add default via 192.168.1.1")
net["R1"].cmd(
"ip route add 192.168.2.0/24 nexthop dev R1-eth1 via 192.168.3.2 nexthop dev R1-eth2 via 192.168.6.2"
)
net["R1"].cmd(
"ip route add 192.168.4.0/24 dev R1-eth1 via 192.168.3.2")
net["R1"].cmd(
"ip route add 192.168.5.0/24 dev R1-eth2 via 192.168.6.2")
#net["R1"].cmd("ip route add 192.168.2.0/24 dev R1-eth2 via 192.168.6.2")
net["R2"].cmd(
"ip route add 192.168.1.0/24 dev R2-eth0 via 192.168.3.1")
net["R2"].cmd(
"ip route add 192.168.2.0/24 dev R2-eth1 via 192.168.4.2")
net["R2"].cmd(
"ip route add 192.168.5.0/24 dev R2-eth1 via 192.168.4.2")
net["R2"].cmd(
"ip route add 192.168.6.0/24 dev R2-eth0 via 192.168.3.1")
net["R3"].cmd(
"ip route add 192.168.1.0/24 dev R3-eth0 via 192.168.6.1")
net["R3"].cmd(
"ip route add 192.168.2.0/24 dev R3-eth1 via 192.168.5.2")
net["R3"].cmd(
"ip route add 192.168.3.0/24 dev R3-eth0 via 192.168.6.1")
net["R3"].cmd(
"ip route add 192.168.4.0/24 dev R3-eth1 via 192.168.5.2")
net["R4"].cmd(
"ip route add 192.168.1.0/24 nexthop dev R4-eth2 via 192.168.5.1 nexthop dev R4-eth1 via 192.168.4.1"
)
net["R4"].cmd(
"ip route add 192.168.3.0/24 dev R4-eth1 via 192.168.4.1")
net["R4"].cmd(
"ip route add 192.168.6.0/24 dev R4-eth2 via 192.168.5.1")
net.stop()
with open('state3.txt', 'r') as f:
state = f.read().replace('\n', '')
f.close()
assert "Failed" not in state
finally:
cleanup()
def test_bgp_policies_adjust():
try:
# Adding this new peering link should enable all hosts
# to ping each others
net = IPNet(topo=BGPPoliciesAdjustTopo(
as_start="as5r", as_end="as2r", bgp_policy=CLIENT_PROVIDER))
net.start()
assert_connectivity(net, v6=True)
net.stop()
finally:
cleanup()
def test_ripng():
try:
net = IPNet(topo=MinimalRIPngNet())
net.start()
assert_connectivity(net, v6=True)
for path in expected_paths:
assert_path(net, path, v6=True)
net.stop()
finally:
cleanup()
self.id=id
self.segid = "fc00:{}::{}".format(self.host.host_num,self.id)
self.configure()
def configure(self):
# Configure the End Point host.
cmd= "ip -6 route add {}/128 encap seg6local action End dev r{}-eth0".format(self.segid,self.host.host_num)
self.host.exec_cmd(cmd)
if __name__ == '__main__':
ipmininet.DEBUG_FLAG = True
lg.setLogLevel("info")
# Start network
net = IPNet(topo=SimpleTopo(), use_v4=True, allocate_IPs=False)
try:
net.start()
# Execute Commands
# Enable SRv6 On Routers.
r1 = RouterConfiguration(net.get('r1'),1,r1_routes)
r2 = RouterConfiguration(net.get('r2'),2,r2_routes)
r3 = RouterConfiguration(net.get('r3'),3,r3_routes)
r4 = RouterConfiguration(net.get('r4'),4,r4_routes,False)
ids = RouterConfiguration(net.get('ids'),5,ids_routes)
HostConfiguration(net.get('a'),'a',1)
HostConfiguration(net.get('b'),'b',4)
HostConfiguration(net.get('c'),'c',3)
def test_capture_dummy_interface(dummy_interface):
check_addresses(dummy_interface, node=None)
net = IPNet(topo=LinkTopo())
net.start()
check_addresses(dummy_interface, node=net['r1'])
net.stop()
self.id=id
self.segid = "fc00:{}::{}".format(self.host.host_num,self.id)
self.configure()
def configure(self):
# Configure the End Point host.
cmd= "ip -6 route add {}/128 encap seg6local action End dev r{}-eth0".format(self.segid,self.host.host_num)
self.host.exec_cmd(cmd)
if __name__ == '__main__':
ipmininet.DEBUG_FLAG = True
lg.setLogLevel("info")
# Start network
net = IPNet(topo=SimpleTopo(), use_v4=True, allocate_IPs=False)
try:
net.start()
# Execute Commands
# Enable SRv6 On Routers.
r1 = RouterConfiguration(net.get('r1'),1)
r2 = RouterConfiguration(net.get('r2'),2)
r3 = RouterConfiguration(net.get('r3'),3)
r4 = RouterConfiguration(net.get('r4'),4)
fw = RouterConfiguration(net.get('fw'),5)
HostConfiguration(net.get('a'),'a',1)
HostConfiguration(net.get('b'),'b',4)
HostConfiguration(net.get('c'),'c',3)
self.id=id
self.segid = "fc00:{}::{}".format(self.host.host_num,self.id)
self.configure()
def configure(self):
# Configure the End Point host.
cmd= "ip -6 route add {}/128 encap seg6local action End dev r{}-eth0".format(self.segid,self.host.host_num)
self.host.exec_cmd(cmd)
if __name__ == '__main__':
ipmininet.DEBUG_FLAG = True
lg.setLogLevel("info")
# Start network
net = IPNet(topo=SimpleTopo(), use_v4=True, allocate_IPs=False)
try:
net.start()
# Execute Commands
# Enable SRv6 On Routers.
r1 = RouterConfiguration(net.get('r1'),1)
r3 = RouterConfiguration(net.get('r3'),3)
r4 = RouterConfiguration(net.get('r4'),4)
HostConfiguration(net.get('a'),'a',1)
HostConfiguration(net.get('b'),'b',4)
HostConfiguration(net.get('c'),'c',3)
# RouterConfiguration.build_dx4_tunnel(r1,r3,"a")
