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Ipv4 connectivity #262

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Ipv4 connectivity #262

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96f1700
Added define for default BGP autonomous system
stal76 Dec 11, 2024
8353385
Added a new tunnel type - IpIp
stal76 Dec 11, 2024
2c9195c
Tunnel IpIp implementation has been made
stal76 Dec 11, 2024
13f3cc5
Added the ability to set route tunnel routes in controlplane.conf
stal76 Dec 11, 2024
9b960ff
Several changes in the controlplane/route.*
stal76 Dec 11, 2024
8684628
Added the ability to communicate between local subnets with route tunnel
stal76 Dec 11, 2024
20ad724
Autotests for tunnel_ipip
stal76 Dec 11, 2024
c9f0cbb
Added the ability to use random source address in route tunnel
stal76 Dec 14, 2024
7b034c7
Added autotest for random source address in route tunnel
stal76 Dec 14, 2024
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4 changes: 3 additions & 1 deletion autotest/units/001_one_port/076_rfc_5549_route/autotest.yaml
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Expand Up @@ -13,4 +13,6 @@ steps:
- port: kni0
send: 001-send.pcap
expect: 001-expect.pcap

- cli:
- rib static remove default 1.0.0.0/24 c0de::200:1 1001

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21 changes: 8 additions & 13 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel/autotest.yaml
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Original file line number Diff line number Diff line change
@@ -1,9 +1,7 @@
steps:
- ipv6Update: "::/0 -> 3333::2"
- cli:
- neighbor insert route0 kni0.200 c0de::200:1 00:00:00:00:00:02
- neighbor flush
- cli:
- rib static insert default 1.0.0.0/24 8888::1 1100 10000 1 1
- rib static insert default 0.0.0.0/0 4444::1 1100 10000 1 1
- rib_insert:
attribute:
protocol: autotest
Expand All @@ -12,19 +10,16 @@ steps:
large_communities:
- 13238:1:1
prefixes:
- nexthop: 8888::2
- nexthop: 5555::1
prefix: 2.0.0.0/24
path_information: 88.88.88.1:10001
path_information: 55.55.55.1:10001
labels:
- 1200
- ipv6Update:
- "::/0 -> c0de::200:1"
- cli:
- rib prefixes
- route tunnel lookup route0 1.0.0.1
- route tunnel lookup route0 2.0.0.1
- sendPackets:
- port: kni0
send: 001-send.pcap
expect: 001-expect.pcap

- sendPackets:
- port: kni0
send: 002-send.pcap
expect: 002-expect.pcap
42 changes: 34 additions & 8 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel/controlplane.conf
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Expand Up @@ -14,44 +14,70 @@
"macAddress": "00:11:22:33:44:55",
"nextModule": "acl0"
},
"lp0.300": {
"type": "logicalPort",
"physicalPort": "kni0",
"vlanId": "300",
"macAddress": "00:11:22:33:44:55",
"nextModule": "acl0"
},
"acl0": {
"type": "acl",
"nextModules": [
"decap0"
"decap0",
"route0:tunnel"
]
},
"decap0": {
"type": "decap",
"ipv6DestinationPrefixes": [
"2222::cccc/128"
"3333::1"
],
"ipv6_enabled": true,
"nextModule": "route0:tunnel"
"nextModule": "route0"
},
"route0": {
"type": "route",
"ipv4SourceAddress": "10.50.0.1",
"ipv6SourceAddress": "2222:1111:0:1234:5678:0101:ca11:ca11",
"ipv6SourceAddress": "3333::1",
"udpDestinationPort": 6635,
"interfaces": {
"kni0.100": {
"ipAddresses": [
"11.0.0.2/24"
"10.0.1.1/24"
],
"acl": "acl0",
"neighborIPv4Address": "10.0.1.2",
"neighborMacAddress": "00:00:00:00:00:01",
"nextModule": "lp0.100"
},
"kni0.200": {
"ipAddresses": [
"c0de::200:2/96"
"10.0.2.1/24"
],
"acl": "acl0",
"neighborIPv4Address": "10.0.2.2",
"neighborMacAddress": "00:00:00:00:00:02",
"nextModule": "lp0.200"
},
"kni0.300": {
"ipAddresses": [
"3333::1/96"
],
"acl": "acl0",
"neighborIPv6Address": "3333::2",
"neighborMacAddress": "00:00:00:00:00:03",
"nextModule": "lp0.300"
}
},
"peers": {
"1": "A",
"2": "B",
"3": "C"
}
},
"localPrefixes": [
"10.0.1.0/24",
"10.0.2.0/24"
]
}
}
}
24 changes: 18 additions & 6 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel/gen.py
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Expand Up @@ -22,12 +22,24 @@ def write_pcap(filename, *packetsList):
wrpcap(filename, [p for p in packets], append=True)


# Check route tunnel mpls over udp
write_pcap("001-send.pcap",
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IPv6(dst="2222::cccc", src="::1")/IP(dst="1.0.0.1", src="0.0.0.0", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IPv6(dst="2222::cccc", src="::1", fl=1)/IP(dst="1.0.0.1", src="0.0.0.0", ttl=64, tos=17)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IPv6(dst="2222::cccc", src="::1")/IP(dst="2.0.0.1", src="0.0.0.0", ttl=64)/ICMP())
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="1.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="2.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="1.0.0.1", src="10.0.2.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="2.0.0.1", src="10.0.2.2", ttl=64)/ICMP())

write_pcap("001-expect.pcap",
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IPv6(dst="8888::1", src="2222:1111:0:1234:5678:0101:ca11:ca11")/UDP(dport=6635, sport=0xaa6c | 0xc000, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="0.0.0.0", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IPv6(dst="8888::1", src="2222:1111:0:1234:5678:0101:ca11:ca11", tc=17)/UDP(dport=6635, sport=0x00d4 | 0xc000, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="0.0.0.0", ttl=63, tos=17)/ICMP(),
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IPv6(dst="8888::2", src="2222:1111:0:1234:5678:0101:ca11:ca11")/UDP(dport=6635, sport=0x1072 | 0xc000, chksum=0)/MPLS(label=1200, ttl=255)/IP(dst="2.0.0.1", src="0.0.0.0", ttl=63)/ICMP())
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::1")/UDP(dport=6635, sport=0xca71, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::1")/UDP(dport=6635, sport=0xf06f, chksum=0)/MPLS(label=1200, ttl=255)/IP(dst="2.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::1")/UDP(dport=6635, sport=0xf621, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="10.0.2.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::1")/UDP(dport=6635, sport=0xcc3f, chksum=0)/MPLS(label=1200, ttl=255)/IP(dst="2.0.0.1", src="10.0.2.2", ttl=63)/ICMP())

# No tunnel is established between local prefixes
write_pcap("002-send.pcap",
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:03")/Dot1Q(vlan=100)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=64)/ICMP())

write_pcap("002-expect.pcap",
Ether(dst="00:00:00:00:00:01", src="00:11:22:33:44:55")/Dot1Q(vlan=100)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=63)/ICMP())
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15 changes: 15 additions & 0 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel_ipip/autotest.yaml
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@@ -0,0 +1,15 @@
steps:
- cli:
- rib prefixes
- sendPackets:
- port: kni0
send: 001-send.pcap
expect: 001-expect.pcap
- sendPackets:
- port: kni0
send: 002-send.pcap
expect: 002-expect.pcap
- sendPackets:
- port: kni0
send: 003-send.pcap
expect: 003-expect.pcap
101 changes: 101 additions & 0 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel_ipip/controlplane.conf
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@@ -0,0 +1,101 @@
{
"modules": {
"lp0.100": {
"type": "logicalPort",
"physicalPort": "kni0",
"vlanId": "100",
"macAddress": "00:11:22:33:44:55",
"nextModule": "acl0"
},
"lp0.200": {
"type": "logicalPort",
"physicalPort": "kni0",
"vlanId": "200",
"macAddress": "00:11:22:33:44:55",
"nextModule": "acl0"
},
"lp0.300": {
"type": "logicalPort",
"physicalPort": "kni0",
"vlanId": "300",
"macAddress": "00:11:22:33:44:55",
"nextModule": "acl0"
},
"acl0": {
"type": "acl",
"nextModules": [
"decap0",
"route0:tunnel_ipip"
]
},
"decap0": {
"type": "decap",
"ipv6DestinationPrefixes": [
"3333::1"
],
"nextModule": "route0"
},
"route0": {
"type": "route",
"ipv4SourceAddress": "10.50.0.1",
"ipv6SourceAddress": "3333::1",
"udpDestinationPort": 6635,
"interfaces": {
"kni0.100": {
"ipAddresses": [
"10.0.1.1/24"
],
"acl": "acl0",
"neighborIPv4Address": "10.0.1.2",
"neighborMacAddress": "00:00:00:00:00:01",
"nextModule": "lp0.100"
},
"kni0.200": {
"ipAddresses": [
"10.0.2.1/24"
],
"acl": "acl0",
"neighborIPv4Address": "10.0.2.2",
"neighborMacAddress": "00:00:00:00:00:02",
"nextModule": "lp0.200"
},
"kni0.300": {
"ipAddresses": [
"3333::1/96"
],
"acl": "acl0",
"neighborIPv6Address": "3333::2",
"neighborMacAddress": "00:00:00:00:00:03",
"nextModule": "lp0.300"
}
},
"peers": {
"1": "A",
"2": "B",
"3": "C"
},
"localPrefixes": [
"10.0.1.0/24",
"10.0.2.0/24"
]
}
},
"rib": {
"defaullt": [
{
"prefix": "::/0",
"nexthop": "3333::2"
},
{
"prefix": "1.0.0.0/24",
"nexthop": "4444::1",
"tunnel": true
},
{
"prefix": "2.0.0.0/24",
"nexthop": "5555::1",
"tunnel": true
}
]
}
}
54 changes: 54 additions & 0 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel_ipip/gen.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from scapy.all import *
from scapy.contrib.mpls import MPLS


def write_pcap(filename, *packetsList):
if len(packetsList) == 0:
PcapWriter(filename)._write_header(Ether())
return

PcapWriter(filename)

for packets in packetsList:
if type(packets) == list:
for packet in packets:
packet.time = 0
wrpcap(filename, [p for p in packet], append=True)
else:
packets.time = 0
wrpcap(filename, [p for p in packets], append=True)


# Check decapsulator for IpIp tunnel
write_pcap("001-send.pcap",
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:0c:00")/Dot1Q(vlan=300)/IPv6(dst="3333::1", src="4444::1")/IP(dst="10.0.1.2", src="10.10.0.10", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:0c:00")/Dot1Q(vlan=300)/IPv6(dst="3333::1", src="4444::1")/IP(dst="10.0.2.2", src="10.10.0.10", ttl=64)/ICMP())

write_pcap("001-expect.pcap",
Ether(dst="00:00:00:00:00:01", src="00:11:22:33:44:55")/Dot1Q(vlan=100)/IP(dst="10.0.1.2", src="10.10.0.10", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IP(dst="10.0.2.2", src="10.10.0.10", ttl=63)/ICMP())

# Check route tunnel ipip
write_pcap("002-send.pcap",
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="1.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="2.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="1.0.0.1", src="10.0.2.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="2.0.0.1", src="10.0.2.2", ttl=64)/ICMP())

write_pcap("002-expect.pcap",
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::1")/IP(dst="1.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::1")/IP(dst="2.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::1")/IP(dst="1.0.0.1", src="10.0.2.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::1")/IP(dst="2.0.0.1", src="10.0.2.2", ttl=63)/ICMP())

# No tunnel is established between local prefixes
write_pcap("003-send.pcap",
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=64)/ICMP(),
Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:03")/Dot1Q(vlan=100)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=64)/ICMP())

write_pcap("003-expect.pcap",
Ether(dst="00:00:00:00:00:01", src="00:11:22:33:44:55")/Dot1Q(vlan=100)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=63)/ICMP(),
Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=63)/ICMP())
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27 changes: 27 additions & 0 deletions autotest/units/001_one_port/076_rfc_5549_route_tunnel_random_source/autotest.yaml
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@@ -0,0 +1,27 @@
steps:
- ipv6Update: "::/0 -> 3333::2"
- cli:
- rib static insert default 1.0.0.0/24 4444::1 1100 10000 1 1
- rib_insert:
attribute:
protocol: autotest
tables:
- table_name: ipv6 mpls-vpn
large_communities:
- 13238:1:1
prefixes:
- nexthop: 5555::1
prefix: 2.0.0.0/24
path_information: 55.55.55.1:10001
labels:
- 1200
- cli:
- rib prefixes
- sendPackets:
- port: kni0
send: 001-send.pcap
expect: 001-expect.pcap
- sendPackets:
- port: kni0
send: 002-send.pcap
expect: 002-expect.pcap
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