Site-To-Site

This scenario shows how to configure and connect two subnets with each other through a VPN tunnel and automatically configure the negotiated remote prefixes as routes. DUT0 acts as a responder and DUT1 as a initiator.

../../../../../../../_images/sitetosite3.svg

Test Site-To-Site With Basic Route Installation

Description

In this scenario, both devices install routes for the VPN traffic in the main table.

Scenario

Step 1: Run command protocols ip show route at DUT0 and check if output does not contain the following tokens:

K>* 10.3.0.0/24

Step 2: Set the following configuration in DUT0:

set interfaces dummy dum0 address 10.1.0.1/24
set interfaces ethernet eth0 address 80.0.0.1/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf main
set vpn ipsec auth-profile AUTH-SA local auth encrypted-pre-shared-secret U2FsdGVkX19u31XEhYVKFnxl+6FruJxazAlwb+mj6mk=
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type respond
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.1
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.2
set vpn ipsec site-to-site peer PEER tunnel 1 install-routes main
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 10.1.0.0/24
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 10.3.0.0/24

Step 3: Set the following configuration in DUT1:

set interfaces dummy dum0 address 10.3.0.1/24
set interfaces ethernet eth0 address 80.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf main
set vpn ipsec auth-profile AUTH-SA local auth encrypted-pre-shared-secret U2FsdGVkX18r8BJS/bjC7UHd79wBrEjiQ4KOCEsTjJ4=
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type initiate
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.2
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.1
set vpn ipsec site-to-site peer PEER tunnel 1 install-routes main
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 10.3.0.0/24
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 10.1.0.0/24

Step 4: Ping IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.305 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.305/0.305/0.305/0.000 ms

Step 5: Ping IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 count 1 size 56 timeout 1
Show output
PING 80.0.0.2 (80.0.0.2) 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.559 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.559/0.559/0.559/0.000 ms

Step 6: Run command vpn ipsec show sa at DUT0 and check if output matches the following regular expressions:

peer-PEER-tunnel-\d+.+INSTALLED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 7e73eebd9e136867_i d1d744d4f2910634_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 0s ago, rekeying in 19583s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 0s ago, rekeying in 3283s, expires in 3960s
    in  c820f600,      0 bytes,     0 packets
    out c9ccd278,      0 bytes,     0 packets
    local  10.1.0.0/24
    remote 10.3.0.0/24

Step 7: Run command protocols ip show route at DUT0 and check if output contains the following tokens:

K>* 10.3.0.0/24
Show output
Codes: K - kernel route, C - connected, S - static, R - RIP,
       O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
       T - Table, v - VNC, V - VNC-Direct, A - Babel, F - PBR,
       f - OpenFabric,
       > - selected route, * - FIB route, q - queued, r - rejected, b - backup
       t - trapped, o - offload failure

C>* 10.1.0.0/24 is directly connected, dum0, 00:00:05
K>* 10.3.0.0/24 [0/0] via 80.0.0.2, eth0, 00:00:00
C>* 80.0.0.0/24 is directly connected, eth0, 00:00:05

Step 8: Ping IP address 10.1.0.1 from DUT1:

admin@DUT1$ ping 10.1.0.1 local-address 10.3.0.1 count 1 size 56 timeout 1
Show output
PING 10.1.0.1 (10.1.0.1) from 10.3.0.1 : 56(84) bytes of data.
64 bytes from 10.1.0.1: icmp_seq=1 ttl=64 time=0.428 ms

--- 10.1.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.428/0.428/0.428/0.000 ms

Step 9: Initiate a tcp connection from DUT1 to DUT0 and try to send some messages between both endpoints

admin@DUT0$ monitor test connection server 8080 tcp
admin@DUT1$ monitor test connection client 10.1.0.1 8080 tcp local-address 10.3.0.1

Step 10: Run command vpn ipsec show sa at DUT0 and check if output matches the following regular expressions:

[1-9]\d? packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 7e73eebd9e136867_i d1d744d4f2910634_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 3s ago, rekeying in 19580s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 3s ago, rekeying in 3280s, expires in 3957s
    in  c820f600,    920 bytes,    15 packets,     1s ago
    out c9ccd278,    868 bytes,    14 packets,     1s ago
    local  10.1.0.0/24
    remote 10.3.0.0/24

Test Site-To-Site With VRF Route Installation

Description

In this scenario, DUT0 install reoutes in a separate VRF called LAN.

Scenario

Step 1: Run command protocols vrf LAN ip show route at DUT0 and check if output does not contain the following tokens:

K>* 10.3.0.0/24
Show output
% VRF LAN not found

Step 2: Set the following configuration in DUT0:

set interfaces dummy dum0 address 10.1.0.1/24
set interfaces dummy dum0 vrf LAN
set interfaces ethernet eth0 address 80.0.0.1/24
set interfaces ethernet eth0 vrf WAN
set protocols vrf WAN static route 10.1.0.0/24 next-hop-vrf LAN
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf LAN
set system vrf WAN
set vpn ipsec auth-profile AUTH-SA local auth encrypted-pre-shared-secret U2FsdGVkX186lj+9KGyTZfw/z3hY8sSeBce0dEmuxuE=
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type respond
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.1
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.2
set vpn ipsec site-to-site peer PEER tunnel 1 install-routes LAN
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 10.1.0.0/24
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 10.3.0.0/24

Step 3: Set the following configuration in DUT1:

set interfaces dummy dum0 address 10.3.0.1/24
set interfaces ethernet eth0 address 80.0.0.2/24
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set system vrf main
set vpn ipsec auth-profile AUTH-SA local auth encrypted-pre-shared-secret U2FsdGVkX18Td2w9tyT4gtXthu57tQffj8YJ8UFnxVk=
set vpn ipsec esp-group CHILD-SA mode tunnel
set vpn ipsec esp-group CHILD-SA proposal 1 encryption aes256gcm128
set vpn ipsec esp-group CHILD-SA proposal 1 pfs dh-group19
set vpn ipsec ike-group IKE-SA key-exchange ikev2
set vpn ipsec ike-group IKE-SA proposal 1 dh-group 19
set vpn ipsec ike-group IKE-SA proposal 1 encryption aes256gcm128
set vpn ipsec ike-group IKE-SA proposal 1 hash sha256
set vpn ipsec site-to-site peer PEER auth-profile AUTH-SA
set vpn ipsec site-to-site peer PEER connection-type initiate
set vpn ipsec site-to-site peer PEER default-esp-group CHILD-SA
set vpn ipsec site-to-site peer PEER ike-group IKE-SA
set vpn ipsec site-to-site peer PEER local-address 80.0.0.2
set vpn ipsec site-to-site peer PEER remote-address 80.0.0.1
set vpn ipsec site-to-site peer PEER tunnel 1 install-routes main
set vpn ipsec site-to-site peer PEER tunnel 1 local prefix 10.3.0.0/24
set vpn ipsec site-to-site peer PEER tunnel 1 remote prefix 10.1.0.0/24

Step 4: Ping IP address 80.0.0.1 from DUT1:

admin@DUT1$ ping 80.0.0.1 count 1 size 56 timeout 1
Show output
PING 80.0.0.1 (80.0.0.1) 56(84) bytes of data.
64 bytes from 80.0.0.1: icmp_seq=1 ttl=64 time=0.306 ms

--- 80.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.306/0.306/0.306/0.000 ms

Step 5: Ping IP address 80.0.0.2 from DUT0:

admin@DUT0$ ping 80.0.0.2 vrf WAN count 1 size 56 timeout 1
Show output
ping: Warning: source address might be selected on device other than: WAN
PING 80.0.0.2 (80.0.0.2) from 80.0.0.1 WAN: 56(84) bytes of data.
64 bytes from 80.0.0.2: icmp_seq=1 ttl=64 time=0.408 ms

--- 80.0.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.408/0.408/0.408/0.000 ms

Step 6: Run command vpn ipsec show sa at DUT0 and check if output matches the following regular expressions:

peer-PEER-tunnel-\d+.+INSTALLED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 0853a2a6a66aa161_i cb692cd8560a8566_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 1s ago, rekeying in 24276s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 1s ago, rekeying in 3283s, expires in 3959s
    in  c942f03d,      0 bytes,     0 packets
    out c80e9718,      0 bytes,     0 packets
    local  10.1.0.0/24
    remote 10.3.0.0/24

Step 7: Run command protocols vrf LAN ip show route at DUT0 and check if output contains the following tokens:

K>* 10.3.0.0/24
Show output
Codes: K - kernel route, C - connected, S - static, R - RIP,
       O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
       T - Table, v - VNC, V - VNC-Direct, A - Babel, F - PBR,
       f - OpenFabric,
       > - selected route, * - FIB route, q - queued, r - rejected, b - backup
       t - trapped, o - offload failure

VRF LAN:
K>* 0.0.0.0/0 [255/8192] unreachable (ICMP unreachable), 00:00:05
C>* 10.1.0.0/24 is directly connected, dum0, 00:00:05
K>* 10.3.0.0/24 [0/0] via 80.0.0.2, eth0 (vrf WAN), 00:00:01

Step 8: Ping IP address 10.1.0.1 from DUT1:

admin@DUT1$ ping 10.1.0.1 local-address 10.3.0.1 count 1 size 56 timeout 1
Show output
PING 10.1.0.1 (10.1.0.1) from 10.3.0.1 : 56(84) bytes of data.
64 bytes from 10.1.0.1: icmp_seq=1 ttl=64 time=0.484 ms

--- 10.1.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.484/0.484/0.484/0.000 ms

Step 9: Initiate a tcp connection from DUT1 to DUT0 and try to send some messages between both endpoints

admin@DUT0$ monitor test connection server 8080 tcp vrf LAN
admin@DUT1$ monitor test connection client 10.1.0.1 8080 tcp local-address 10.3.0.1

Step 10: Run command vpn ipsec show sa at DUT0 and check if output matches the following regular expressions:

[1-9]\d? packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, 0853a2a6a66aa161_i cb692cd8560a8566_r*
  local  '80.0.0.1' @ 80.0.0.1[500]
  remote '80.0.0.2' @ 80.0.0.2[500]
  AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
  established 4s ago, rekeying in 24273s
  peer-PEER-tunnel-1: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
    installed 4s ago, rekeying in 3280s, expires in 3956s
    in  c942f03d,    920 bytes,    15 packets,     0s ago
    out c80e9718,    868 bytes,    14 packets,     0s ago
    local  10.1.0.0/24
    remote 10.3.0.0/24