This page intend to list bunch of scenarios for our SD-EWAN case, including the decomposed scenarios and the overall integrated scenario.
Table of Contents |
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Decomposed scenarios
Decomposed Scenario A: Site-to-Site tunnel with static public IP address
In this scenario, both sites have static public IP address and setup a tunnel between sites. After the tunnel is established, the clients within the site should be able to ping the clients on the other side through the tunnel. The tunnel is authenticated through pre-shared key.
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Scenario Description:
Tunnel between site A and site B
Suppose there are two sites A and B. A comes with the subnet 10.1.0.1/24, B comes with the subnet 10.2.0.1/24
Gateway for A is 192.168.1.10
Gateway for B is 192.168.1.11
A and B would like to establish a tunnel
10.1.0.1/24 == 10.2.0.1/24
CRs for the scenario
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IpsecProposal
metadata:
name: test_proposal_1
namespace: default
labels:
sdewanPurpose: cnf-1
spec:
encryption_algorithm: aes128
hash_algorithm: sha256
dh_group: modp3072
status:
appliedVersion: "1"
appliedTime: "2020-04-12T09:28:38Z"
inSync: True
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Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IpsecSite
metadata:
name: siteA
namespace: default
labels:
sdewanPurpose: cnf-1
spec:
remote: 192.168.1.11
authentication_method: psk
pre_shared_key: test123
crypto_proposal:
- test_proposal_1
connections:
- connection_name: connection_A | ||||||
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1 kind: IPSecSite metadata: name: siteA spec: sites: - name: siteA gateway: 192.168.1.11 pre_shared_key: test123 authentication_method: psk local_identifier: @sun.strongswan.org remote_identifier: @moon.strongswan.org crypto_proposal: - proposal1 force_crypto_proposal: "0" connections: - name: connA type: tunnel mode: start local_subnet: 10.1.0.1/24 local_sourceip: 192.168.1.10 remote_subnet: 10.2.0.1/24 crypto_proposal: - proposal1 proposalstest_proposal_1 status: - nameappliedVersion: proposal1"1" encryption_algorithm: aes128 hash_algorithm: sha256 dh_group: modp3072 |
IPSec CR for gateway B:
appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Code Block | ||||||
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apiVersion: sdewan sdewan.akraino.org/v1alpha1 kind: IPSecSite IpsecSite metadata: name: siteB namenamespace: siteBdefault spec: siteslabels: - namesdewanPurpose: siteBcnf-1 spec: gatewayremote: 192.168.1.10 authentication_method: psk pre_shared_key: test123 authenticationcrypto_methodproposal: psk local_identifier: @moon.strongswan.org- test_proposal_1 connections: remote- connection_identifiername: @sun.strongswan.org connection_B crypto_proposaltype: tunnel -mode: proposal1start force_crypto_proposal: "0" connections: - name: connA type: tunnel mode: start local_ local_subnet: 10.2.0.1/24 local_sourceip: 192.168.1.11 remote_subnet: 10.1.0.1/24 crypto_proposal: - proposal1 proposalstest_proposal_1 status: - nameappliedVersion: proposal1"1" encryption_algorithm: aes128 hash_algorithm: sha256 dh_group: modp3072 |
NAT CR:
...
appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Rest calls
Sites settings
GET /cgi-bin/luci/sdewan/ipsec/v1/sites
{ { "name": “siteA", "gatewayremote":"192.168.1.11", "crypto_proposal": "proposal1test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "local_identifier": "@moon.strongswan.org", "remote_identifier": "@sun.strongswan.org", "connections": [ "connections": [ { "name": "connAconnection_A", "type": "tunnel", "mode": "start", "local_subnet": "10.1.0.1/24", "remote_subnet": "10.2.0.1/24", "crypto_proposal": "proposal1test_proposal_1" } ] }, { "name": "siteB", "gateway":"192.168.1.10", "crypto_proposal": "proposal1test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "remote_identifier": "@moon.strongswan.org", "local_identifier": "@sun.strongswan.org", "connections": [ { "name": "connAconnection_B", "type": "tunnel", "mode": "start", "local_subnet": "10.2.0.1/24", "remote_subnet": "10.1.0.1/24", "crypto_proposal": "proposal1test_proposal_1" } ] } ] |
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{ "proposals": [ { "name": "proposal1", "crypto_algorithm": "aes128", "hash_algorithm": "sha256", "dh_group": "modp3072" } ] } |
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Decomposed Scenario B: Host-to-Site
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tunnel when the initiator requests an overlay IP
In this scenario, the initiator sends out a request to the responderthe responder(either a site gateway/remote host) which has a static public ip address(or dynamic pubic IP with static domain name) in order to setup a tunnel between. After the tunnel is establishedHowever, this time, the roadwarrior is also going to ask for a virtual IP that assigned by the responder. After the tunnel is established, the roadwarrior should be able to get an overlay IP and ping the clients on the other side through the tunnel. The tunnel is authenticated through pre-shared key.
IPSec CR for Gateway A:
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IPSecSite
metadata:
name: siteA
spec:
sites:
- name: siteA
gateway: 192.168.1.15
pre_shared_key: test123
authentication_method: psk
local_identifier: @sun.strongswan.org
remote_identifier: @roadwarrior.strongswan.org
crypto_proposal:
- proposal1
force_crypto_proposal: "0"
connections:
- name: connA
type: tunnel
mode: start
local_subnet: 10.1.0.1/24
local_sourceip: 192.168.1.10
remote_sourceip: 192.168.1.15
crypto_proposal:
- proposal1
proposal:
- name: proposal1
encryption_algorithm: aes128
hash_algorithm: sha256
dh_group: modp3072 |
IPSec CR for roadwarrior(initiator):
Scenario Description:
Tunnel between site A and host B(Responder and Initiator)
Suppose there is one site A and one host B. A comes with the subnet 10.1.0.1/24.
Gateway for A is 192.168.1.10 which is a public ip address
Host B has no public address and want to request one from the peer(suppose the vip assigned is 10.3.0.12)
A and B would like to establish a tunnel
10.1.0.1/24 == 10.3.0.12/32
CRs for the scenario
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IpsecProposal
metadata:
name: test_proposal_1
namespace: default
labels:
sdewanPurpose: cnf-1
spec:
encryption_algorithm: aes128
hash_algorithm: sha256
dh_group: modp3072
status:
appliedVersion: "1"
appliedTime: "2020-04-12T09:28:38Z"
inSync: True
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Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IpsecSite
metadata:
name: siteA
namespace: default
labels:
sdewanPurpose: cnf-1
spec:
remote: %any
authentication_method: psk
pre_shared_key: test
crypto_proposal:
- test_proposal_1
connections:
- connection_name: connection_A
type: tunnel
mode: start
local_subnet: 10.1.0.1/24
remote_sourceip: 10.3.0.1/24
crypto_proposal:
- test_proposal_1
status:
appliedVersion: "1"
appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1
kind: IpsecHost
metadata:
name: hostB
namespace: default
labels:
sdewanPurpose: cnf-1
spec:
remote: 192.168.1.10
authentication_method: psk
pre_shared_key: test
crypto_proposal:
- test_proposal_1
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Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1 kind: IPSecSite metadata: name: roadwarrior spec: sites: - name: roadwarrior gateway: 192.168.1.10 pre_shared_key: test123 authentication_method: psk local_identifier: @roadwarrior.strongswan.org remote_identifier: @sun.strongswan.org crypto_proposal: - proposal1 force_crypto_proposal: "0" connections: - connection_name: connAconnection_A type: tunnel mode: start local_sourceip: 192.168.1.15%config remote_sourceipsubnet: 1920.1680.10.100/0 remote_subnet: 10.1.0.1/24 crypto_proposal: - test_proposal_1 proposal1 proposalstatus: - nameappliedVersion: proposal1"1" encryption_algorithm: aes128 hash_algorithm: sha256 dh_group: modp3072 |
NAT CR:
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appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Rest calls
Sites settings
GET /cgi-bin/luci/sdewan/ipsec/v1/sites
{ { "name": "siteA", "gatewayremote":"192.168.1.11%any", "crypto_proposal": "proposal1test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "local_identifier": "@moon.strongswan.org", "remote_identifier": "@sun.strongswan.org", "connections": [ { "name": "connA", "type": "tunnel", "mode": "start", "local_subnet": "10.1.0.1/24", "remote_sourceip": "19210.1683.1.15", "local_sourceip": "192.168.1.100.1/24", "crypto_proposal": "proposal1test_proposal_1" } ] }, { "name": "roadwarriorhostB", "gatewayremote":"192.168.1.10", "crypto_proposal": "proposal1test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "remote_identifier": "@moon.strongswan.org", "local_identifier": "@sun.strongswan.org", "connections": [ { "name": "connA", "type": "tunnel", "mode": "start", "local_sourceip": "192.168.1.15%config", "remote_sourceip": "192.168.1.10", " "remote_subnet": "10.1.0.1/24", "crypto_proposal": "proposal1test_proposal_1" } ] } ] |
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{ "proposals": [ { "name": "proposal1", "crypto_algorithm": "aes128", "hash_algorithm": "sha256", "dh_group": "modp3072" } ] } |
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Decomposed Scenario C: Host
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In this scenario, the initiator sends out a request to the responder(either a site gateway/remote host) which has a static public ip address(or dynamic pubic IP with static domain name) in order to setup a tunnel between. However, this time, the roadwarrior is also going to ask for a virtual IP that assigned by the responder. After the tunnel is established, the roadwarrior should be able to get an overlay IP and ping the clients on the other side through the tunnel. The tunnel is authenticated through pre-shared key.
to host tunnel
Setup a tunnel between the host who got assigned the virtual IP and another host with PIP.
Scenario Description:
Tunnel between host A and host B
Suppose there are two hosts A and B.
A has a public ip which is 192.168.3.1
B is a host which already get a vip 10.3.0.12
A and B would like to establish a tunnel
192.168.3.1/32 == 10.3.0.12/32
CRs for the scenario
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Code Block | ||||||
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apiVersion: sdewan sdewan.akraino.org/v1alpha1 kind: IPSecSite IpsecProposal metadata: name: test_proposal_1 namenamespace: siteA spec:default siteslabels: - namesdewanPurpose: siteAcnf-1 spec: gatewayencryption_algorithm: anyaes128 pre_shared_keyhash_algorithm: test123sha256 authenticationdh_methodgroup: pskmodp3072 status: local_identifierappliedVersion: @moon.strongswan.org"1" appliedTime: remote_identifier: @roadwarrior.strongswan.org crypto_proposal"2020-04-12T09:28:38Z" inSync: True |
Code Block | ||||||
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apiVersion: sdewan.akraino.org/v1alpha1 kind: IpsecHost metadata: name: hostA namespace: default labels: sdewanPurpose: cnf-1 spec: proposal1 remote: %any forceauthentication_crypto_proposalmethod: "0"psk pre_shared_key: test connectionscrypto_proposal: - name: connAtest_proposal_1 type: tunnelconnections: - modeconnection_name: startconnection_A local_subnettype: 10.1.0.1/24tunnel local_sourceipmode: 192.168.1.10start remote_sourceip: 10.3.0.1/2412 crypto_proposal: - proposal1 proposaltest_proposal_1 status: - nameappliedVersion: proposal1"1" encryption_algorithm: aes128 hash_algorithm: sha256 dh_group: modp3072 |
IPSec CR for roadwarrior(initiator):
appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Code Block | ||||||
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apiVersion: sdewan sdewan.akraino.org/v1alpha1 kind: IPSecSite IpsecHost metadata: name: hostB namenamespace: roadwarrior spec:default siteslabels: - namesdewanPurpose: roadwarriorcnf-1 spec: gatewayremote: 192.168.3.1.10 authentication_method: psk pre_shared_key: test123test authenticationcrypto_methodproposal: psk local_identifier: @roadwarrior.strongswan.org - test_proposal_1 connections: - remoteconnection_identifiername: @moon.strongswan.orgconnection_A crypto_proposal: type: tunnel -mode: proposal1start force_crypto_proposal: "0" local_sourceip: 10.3.0.13 connectionscrypto_proposal: - name: connA - type: tunneltest_proposal_1 status: modeappliedVersion: start"1" local_sourceip: %config remote_sourceip: 192.168.1.10 remote_subnet: 10.1.0.1/24 crypto_proposal: - proposal1 proposal: - name: proposal1 encryption_algorithm: aes128 hash_algorithm: sha256 dh_group: modp3072 |
NAT CR:
...
Rest calls:
Sites settings
GET /cgi-bin/luci/sdewan/ipsec/v1/sites
appliedTime: "2020-04-12T09:28:38Z"
inSync: True |
Rest calls
Sites settings
GET /cgi-bin/luci/sdewan/ipsec/v1/sites
{
"sites": [
{ "name": "siteA",
"gateway":"192.168.1.11",
"crypto_proposal": "proposal1",
"pre_shared_key": "test123",
"authentication_method": "psk",
"local_identifier": "@{ { "name": "hostA", "remote":"%any", "crypto_proposal": "test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "local_identifier": "@ |
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"remote_identifier": "@sun.strongswan.org", "connections": [ { "name": "connA", "type": "tunnel", "mode": "start", |
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"local_subnet": "10.1.0.1/24",
"remote_sourceip": "10.3.0. |
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12", |
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"local_sourceip": "192.168.1.10",
"crypto_proposal": " |
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test_proposal_1" } ] }, { "name": " |
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hostB", " |
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remote":"192.168.3.1 |
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", "crypto_proposal": " |
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test_proposal_1", "pre_shared_key": "test123", "authentication_method": "psk", "remote_identifier": "@moon.strongswan.org", "local_identifier": "@sun.strongswan.org", "connections": [ { "name": "connA", "type": "tunnel", "mode": "start", "local_sourceip": " |
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10.3.0.12", |
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"remote_sourceip": "192.168.1.10",
"remote_subnet": "10.1.0.1/24",
"crypto_proposal": "proposal1"
"crypto_proposal": "test_proposal_1" } ] } ] |
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Proposal settings
GET /cgi-bin/luci/sdewan/ipsec/v1/proposals
{ "proposals": [ { |
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"crypto_algorithm": "aes128", "hash_algorithm": "sha256", "dh_group": "modp3072" } ] } |
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Targeted Scenarios
Scenario A: Edge to traffic hub tunnel where inter micro-service communication across edges that attached to same traffic hub.
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Scenario B: Edge to Edge tunnels when micro-service communication happens across edges without involving hubs
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Scenario C: Hub to hub tunnel when inter micro-service communication across edges that attached to different traffic hubs
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Overall scenarios
Here shows the overall scenario we want to achieve in the ICN SDEWAN case.
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