Check Vti To Vti

These scenarios show how to configure and route traffic via VTI (Virtual Tunnel Interface) devices.

../../../_images/vtivti.svg

Test VTI Responder To VTI

Description

A VTI device is configured in each end-point. DUT1 acts as an initiator and DUT0 as a responder.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 60.0.0.10/24
set interfaces ethernet eth1 address 192.168.10.1/24
set interfaces vti vti0 ipsec PEER
set interfaces vti vti0 local-address 60.0.0.10
set protocols static route 0.0.0.0/0 interface vti0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk test encrypted-secret U2FsdGVkX18ToavaqiqiNVd696EtRJ34mp7BliHLWOc=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id test
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 60.0.0.10
set vpn ipsec site-to-site peer PEER remote-address 60.0.0.20
set vpn ipsec site-to-site peer PEER vti local prefix 192.168.0.0/16
set vpn ipsec site-to-site peer PEER vti remote prefix 192.168.0.0/16

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 address 60.0.0.20/24
set interfaces ethernet eth1 address 192.168.20.1/24
set interfaces vti vti0 ipsec PEER
set interfaces vti vti0 local-address 60.0.0.20
set protocols static route 0.0.0.0/0 interface vti0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk test encrypted-secret U2FsdGVkX19sayC5eZuna65yZMTYhQhZXxEqxJ1iflo=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id test
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 60.0.0.20
set vpn ipsec site-to-site peer PEER remote-address 60.0.0.10
set vpn ipsec site-to-site peer PEER vti local prefix 192.168.0.0/16
set vpn ipsec site-to-site peer PEER vti remote prefix 192.168.0.0/16

Step 3: Ping the IP address 60.0.0.20 from DUT0:

admin@DUT0$ ping 60.0.0.20 count 1 size 56 timeout 1
Show output
PING 60.0.0.20 (60.0.0.20) 56(84) bytes of data.
64 bytes from 60.0.0.20: icmp_seq=1 ttl=64 time=0.324 ms

--- 60.0.0.20 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.324/0.324/0.324/0.000 ms

Step 4: Run the command vpn ipsec show sa on DUT0 and check whether the output contains the following tokens:

ESTABLISHED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, e9f9a3055bfbfba6_i a9e8c7faf720b8c5_r*
local  'test' @ 60.0.0.10[500]
remote 'test' @ 60.0.0.20[500]
AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
established 1s ago, rekeying in 18601s
peer-PEER-tunnel-VTI: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
installed 1s ago, rekeying in 3414s, expires in 3959s
in  c432fd5e (0x90000000),      0 bytes,     0 packets
out c5d35c80 (0x90000000),      0 bytes,     0 packets
local  192.168.0.0/16
remote 192.168.0.0/16

Step 5: Ping the IP address 192.168.10.1 from DUT1:

admin@DUT1$ ping 192.168.10.1 local-address 192.168.20.1 count 1 size 56 timeout 1
Show output
PING 192.168.10.1 (192.168.10.1) from 192.168.20.1 : 56(84) bytes of data.
64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=0.771 ms

--- 192.168.10.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.771/0.771/0.771/0.000 ms

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

,\s+[^0] packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, e9f9a3055bfbfba6_i a9e8c7faf720b8c5_r*
local  'test' @ 60.0.0.10[500]
remote 'test' @ 60.0.0.20[500]
AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
established 1s ago, rekeying in 18601s
peer-PEER-tunnel-VTI: #1, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
installed 1s ago, rekeying in 3414s, expires in 3959s
in  c432fd5e (0x90000000),     84 bytes,     1 packets,     0s ago
out c5d35c80 (0x90000000),     84 bytes,     1 packets,     0s ago
local  192.168.0.0/16
remote 192.168.0.0/16

Test VTI On-Demand To VTI

Description

A VTI device is configured in each end-point. In this scenario, DUT0 is configured to only set the tunnel up when the first plaintext IP payload needs to go through the vti tunnel.

Scenario

Step 1: Set the following configuration in DUT0 :

set interfaces ethernet eth0 address 60.0.0.10/24
set interfaces ethernet eth1 address 192.168.10.1/24
set interfaces vti vti0 ipsec PEER
set interfaces vti vti0 local-address 60.0.0.10
set protocols static route 0.0.0.0/0 interface vti0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk test encrypted-secret U2FsdGVkX19Vm0jg1F+w4ZTGW6uZuKrkF8KpfAfZoaI=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id test
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 on-demand
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 60.0.0.10
set vpn ipsec site-to-site peer PEER remote-address 60.0.0.20
set vpn ipsec site-to-site peer PEER vti local prefix 192.168.0.0/16
set vpn ipsec site-to-site peer PEER vti remote prefix 192.168.0.0/16

Step 2: Set the following configuration in DUT1 :

set interfaces ethernet eth0 address 60.0.0.20/24
set interfaces ethernet eth1 address 192.168.20.1/24
set interfaces vti vti0 ipsec PEER
set interfaces vti vti0 local-address 60.0.0.20
set protocols static route 0.0.0.0/0 interface vti0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'
set vpn ipsec auth-profile AUTH-SA global-secrets ike-psk test encrypted-secret U2FsdGVkX1+hVK35ibUE8WLeahT/GmQNsy2fTSM8Muo=
set vpn ipsec auth-profile AUTH-SA local auth ike-psk id test
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 60.0.0.20
set vpn ipsec site-to-site peer PEER remote-address 60.0.0.10
set vpn ipsec site-to-site peer PEER vti local prefix 192.168.0.0/16
set vpn ipsec site-to-site peer PEER vti remote prefix 192.168.0.0/16

Step 3: Ping the IP address 60.0.0.20 from DUT0:

admin@DUT0$ ping 60.0.0.20 count 1 size 56 timeout 1
Show output
PING 60.0.0.20 (60.0.0.20) 56(84) bytes of data.
64 bytes from 60.0.0.20: icmp_seq=1 ttl=64 time=0.328 ms

--- 60.0.0.20 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.328/0.328/0.328/0.000 ms

Step 4: Run the command vpn ipsec show sa on DUT0 and check whether the output contains the following tokens:

ESTABLISHED
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, b5f58cb128dcaa3f_i 11dc64db2afb5835_r*
local  'test' @ 60.0.0.10[500]
remote 'test' @ 60.0.0.20[500]
AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
established 0s ago, rekeying in 19555s
peer-PEER-tunnel-VTI: #2, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
installed 0s ago, rekeying in 3268s, expires in 3960s
in  ced761a3 (0x90000000),      0 bytes,     0 packets
out cfe501cb (0x90000000),      0 bytes,     0 packets
local  192.168.0.0/16
remote 192.168.0.0/16

Step 5: Ping the IP address 192.168.10.1 from DUT1:

admin@DUT1$ ping 192.168.10.1 local-address 192.168.20.1 count 1 size 56 timeout 1
Show output
PING 192.168.10.1 (192.168.10.1) from 192.168.20.1 : 56(84) bytes of data.
64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=0.850 ms

--- 192.168.10.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.850/0.850/0.850/0.000 ms

Step 6: Ping the IP address 192.168.20.1 from DUT0:

admin@DUT0$ ping 192.168.20.1 local-address 192.168.10.1 count 1 size 56 timeout 1
Show output
PING 192.168.20.1 (192.168.20.1) from 192.168.10.1 : 56(84) bytes of data.
64 bytes from 192.168.20.1: icmp_seq=1 ttl=64 time=0.450 ms

--- 192.168.20.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.450/0.450/0.450/0.000 ms

Step 7: Run the command vpn ipsec show sa on DUT0 and check whether the output matches the following regular expressions:

,\s+[^0] packets
Show output
vpn-peer-PEER: #1, ESTABLISHED, IKEv2, b5f58cb128dcaa3f_i 11dc64db2afb5835_r*
local  'test' @ 60.0.0.10[500]
remote 'test' @ 60.0.0.20[500]
AES_GCM_16-256/PRF_HMAC_SHA2_256/ECP_256
established 1s ago, rekeying in 19554s
peer-PEER-tunnel-VTI: #2, reqid 1, INSTALLED, TUNNEL, ESP:AES_GCM_16-256
installed 1s ago, rekeying in 3267s, expires in 3959s
in  ced761a3 (0x90000000),    168 bytes,     2 packets,     0s ago
out cfe501cb (0x90000000),    168 bytes,     2 packets,     0s ago
local  192.168.0.0/16
remote 192.168.0.0/16