Files

295 lines
16 KiB
Python
Executable File

#!/usr/bin/env python3
#
#
# VLAN55 VLAN77 VLAN55 VLAN77
# 10.0.1.1 10.0.2.1 10.0.1.2 10.0.2.2
# \ / \ /
# \ / \ /
# \ / \ /
# \--------------/ VLAN 1,2 T \---------------/
# | DUT1 +---------------------------------+ DUT2 |
# | | | |
# +--------------+ +-----+---------+
# VLAN55 U| VLAN77 U| VLAN55 U | | VLAN77 U
# | | | |
# | | | |
# | | | |
# | | | |
# +-------+ | +----------+ +------------+ +--------+
# | msend +--+ | mreceive | | mreceive | | msend |
# +-------+ +----------+ +------------+ +--------+
# 10.0.1.11 10.0.2.11 10.0.1.22 10.0.2.22
#
import infamy
import time
import infamy.multicast as mcast
with infamy.Test() as test:
with test.step("Initialize"):
env = infamy.Env(infamy.std_topology("2x4"))
dut1 = env.attach("dut1", "mgmt")
_, d1send = env.ltop.xlate("dut1", "data0")
_, d1receiver = env.ltop.xlate("dut1", "data1")
_, d1trunk = env.ltop.xlate("dut1", "data2")
dut2 = env.attach("dut2", "mgmt")
_, d2receive = env.ltop.xlate("dut2", "data0")
_, d2sender = env.ltop.xlate("dut2", "data1")
_, d2trunk = env.ltop.xlate("dut2", "data2")
with test.step("Configure device"):
dut1.put_config_dict("ietf-interfaces",
{
"interfaces": {
"interface": [
{
"name": d1send,
"enabled": True,
"bridge-port": {
"bridge": "br0",
"pvid": 55
}
},
{
"name": d1receiver,
"enabled": True,
"bridge-port": {
"bridge": "br0",
"pvid": 77
}
},
{
"name": d1trunk,
"enabled": True,
"bridge-port": {
"bridge": "br0"
}
},
{
"name": "vlan55",
"enabled": True,
"type": "infix-if-type:vlan",
"ipv4": {
"address": [
{
"ip": "10.0.1.1",
"prefix-length": 24
}
]
},
"vlan": {
"id": 55,
"lower-layer-if": "br0"
}
},
{
"name": "vlan77",
"enabled": True,
"type": "infix-if-type:vlan",
"ipv4": {
"address": [
{
"ip": "10.0.2.1",
"prefix-length": 24
}
]
},
"vlan": {
"id": 77,
"lower-layer-if": "br0"
}
},
{
"name": "br0",
"enabled": True,
"type": "infix-if-type:bridge",
"bridge": {
"vlans": {
"vlan": [
{
"vid": 55,
"untagged": [ d1send ],
"tagged": [ d1trunk, "br0" ],
"multicast": {
"snooping": True
}
},
{
"vid": 77,
"untagged": [ d1receiver ],
"tagged": [ d1trunk, "br0" ],
"multicast": {
"snooping": True
}
}
]
}
}
}
]
}
})
dut1.put_config_dict("ietf-system", {
"system": {
"hostname": "dut1"
}
})
dut2.put_config_dict("ietf-interfaces",
{
"interfaces": {
"interface": [
{
"name": d2receive,
"enabled": True,
"bridge-port": {
"bridge": "br0",
"pvid": 55
}
},
{
"name": d2sender,
"enabled": True,
"bridge-port": {
"bridge": "br0",
"pvid": 77
}
},
{
"name": d2trunk,
"enabled": True,
"bridge-port": {
"bridge": "br0"
}
},
{
"name": "vlan55",
"enabled": True,
"type": "infix-if-type:vlan",
"ipv4": {
"address": [
{
"ip": "10.0.1.2",
"prefix-length": 24
}
]
},
"vlan": {
"id": 55,
"lower-layer-if": "br0"
}
},
{
"name": "vlan77",
"enabled": True,
"type": "infix-if-type:vlan",
"ipv4": {
"address": [
{
"ip": "10.0.2.2",
"prefix-length": 24
}
]
},
"vlan": {
"id": 77,
"lower-layer-if": "br0"
}
},
{
"name": "br0",
"enabled": True,
"type": "infix-if-type:bridge",
"bridge": {
"vlans": {
"vlan": [
{
"vid": 55,
"untagged": [ d2receive ],
"tagged": [ d2trunk, "br0" ],
"multicast": {
"snooping": True
}
},
{
"vid": 77,
"untagged": [ d2sender ],
"tagged": [ d2trunk, "br0" ],
"multicast": {
"snooping": True
}
}
]
}
}
}
]
}
})
dut2.put_config_dict("ietf-system", {
"system": {
"hostname": "dut2"
}
})
with test.step("Check multicast receieved on correct port and VLAN"):
_, d1send = env.ltop.xlate("host", "data10")
_, d1receive = env.ltop.xlate("host", "data11")
_, d2receive = env.ltop.xlate("host", "data20")
_, d2send = env.ltop.xlate("host", "data21")
with infamy.IsolatedMacVlan(d1send) as d1send_ns, \
infamy.IsolatedMacVlan(d1receive) as d1receive_ns, \
infamy.IsolatedMacVlan(d2receive) as d2receive_ns, \
infamy.IsolatedMacVlan(d2send) as d2send_ns:
d1send_ns.addip("10.0.1.11")
d1receive_ns.addip("10.0.2.11")
d2receive_ns.addip("10.0.1.22")
d2send_ns.addip("10.0.2.22")
d1send_ns.must_reach("10.0.1.2")
d1receive_ns.must_reach("10.0.2.2")
vlan55_sender = mcast.MCastSender(d1send_ns, "224.1.1.1")
vlan77_sender= mcast.MCastSender(d2send_ns, "224.2.2.2")
vlan55_receiver = mcast.MCastReceiver(d2receive_ns, "224.1.1.1")
snif_vlan55_sender_incorrect = infamy.Sniffer(d1send_ns, "host 224.2.2.2")
snif_vlan77_receiver_incorrect = infamy.Sniffer(d1receive_ns, "host 224.1.1.1")
snif_vlan55_receiver_incorrect = infamy.Sniffer(d2receive_ns, "host 224.2.2.2")
snif_vlan77_sender_incorrect = infamy.Sniffer(d2send_ns, "host 224.1.1.1")
snif_vlan55_receiver_correct = infamy.Sniffer(d2receive_ns, "host 224.1.1.1")
snif_vlan77_receiver_correct = infamy.Sniffer(d1receive_ns, "host 224.2.2.2")
with vlan55_sender, vlan77_sender, vlan55_receiver:
with snif_vlan77_sender_incorrect, \
snif_vlan77_receiver_incorrect, snif_vlan55_receiver_incorrect, \
snif_vlan55_sender_incorrect, snif_vlan55_receiver_correct, \
snif_vlan77_receiver_correct:
time.sleep(5)
# TODO: Here should we check for 224.1.1.1 in mdb, also
# verify that 224.2.2.2 does not exist in mdb
assert(snif_vlan77_sender_incorrect.packets() == "")
assert(snif_vlan77_receiver_incorrect.packets() == "")
assert(snif_vlan55_receiver_incorrect.packets() == "")
assert(snif_vlan55_sender_incorrect.packets() == "")
print("Multicast does not exist on ports/VLANs where they should not be")
assert(snif_vlan55_receiver_correct.packets() != "")
assert(snif_vlan77_receiver_correct.packets() != "")
print("Multicast received on correct port and VLAN")
test.succeed()